Derived From An Ethylenically Unsaturated Acid Containing Plural Carboxylic Acid Groups Patents (Class 526/323)
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Patent number: 8835521Abstract: Disclosed are a photosensitive composition and a compound used in the same. If the composition provided through the present application is used, it is possible to form a thin film having improved adhesion strength of a pattern.Type: GrantFiled: July 16, 2012Date of Patent: September 16, 2014Assignee: LG Chem, Ltd.Inventor: Keon Woo Lee
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Patent number: 8809447Abstract: Acetoacetate-functional monomers are disclosed that correspond to the following formula 1: in which R is hydrogen, or a methylgroup; X is a branched alkyl or a branched cyclic alkyl having from 5 to 8 carbon atoms; and Y1 and Y2 are independently hydrogen or methyl. Also disclosed are emulsion, suspension, and solution polymers comprising residues from the acetoacetate-functional monomer of formula 1 and one or more additional ethylenically unsaturated monomers. Self-curing coating compositions are likewise disclosed that comprise the acetoacetate-functional monomer of formula 1, and optionally one or more additional ethylenically unsaturated monomers. Latex formulations are also disclosed that comprise a polymer having residues from the acetoacetate-functional monomer of formula 1 dispersed in an evaporable aqueous carrier.Type: GrantFiled: December 15, 2010Date of Patent: August 19, 2014Assignee: Eastman Chemical CompanyInventors: John Thorton Maddox, Stacey James Marsh
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Patent number: 8809446Abstract: Substituted 3-oxopentanoates are disclosed that correspond to the following formula 1: in which R is hydrogen, or a methyl group; X is a straight-chain, branched, or cyclic alkyl or alkyl ether group having from 1 to 15 carbon atoms or aromatic group having from 6 to 15 carbon atoms; and Y1 and Y2 are independently hydrogen or an alkyl having 1 to 2 carbon atoms. Also disclosed are emulsion polymers, suspension polymers, and solution polymers that comprise residues from the substituted 3-oxopentanoate monomers, and that may also include one or more additional ethylenically unsaturated monomers. Also disclosed are coating compositions that include a latex emulsion polymer and the substituted 3-oxopentanoate monomer of formula 1 provided as a coalescent.Type: GrantFiled: December 15, 2010Date of Patent: August 19, 2014Assignee: Eastman Chemical CompanyInventors: John Thorton Maddox, Robert Lee Eagan
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Patent number: 8710168Abstract: The present invention is a polymer having structural units, units of formula I, units of formula II and units of either formula IIIa or formula IIIb: The polymer improves the low-temperature properties of fuel oils from petroleum sources and especially from vegetable or animal sources.Type: GrantFiled: December 17, 2010Date of Patent: April 29, 2014Assignee: Infineum International LimitedInventors: Carl Waterson, Christopher J. Booth
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Publication number: 20130281580Abstract: The present invention provides a method of making a methylene malonate monomer that includes the steps of reacting a malonic acid ester with a source of formaldehyde optionally in the presence of an acidic or basic catalyst and optionally in the presence of an acidic or non-acidic solvent to form reaction complex. The reaction is optionally performed in the presence of or contacted with an energy transfer means such as a heat transfer agent, a heat transfer surface, a source of radiation or a laser such that reaction complex is substantially vaporized to produce a vapor phase comprising methylene malonate monomer which may be isolated. The present invention further provides methylene malonate monomers prepared by the method of the invention, as well as compositions and products formed from the methylene malonate monomers, including monomer-based products (e.g., inks, adhesives, coatings, sealants or reactive molding) and polymer-based products (e.g.Type: ApplicationFiled: October 19, 2011Publication date: October 24, 2013Applicant: BIOFORMIX INC.Inventors: Bernard M. Malofsky, Adam G. Malofsky, Tanmoy Dey, Jeffrey M. Sullivan, Yangbin Chen, Stanley C. Wojciak, Michael C. Cockrem
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Publication number: 20120123075Abstract: Disclosed are a toner for developing an electrostatic image and its manufacturing method, the toner being comprised of toner particles, wherein the toner particles contain as a resin a polymer having a structural unit represented by the following formula 1, wherein R1 represents an alkyl group having a carbon atom number of from 1 to 8, which may have a substituent; and R2 and R3 independently represent a hydrogen atom, —OR4 or —OCOR5, in which R4 and R5 independently represent an alkyl group having a carbon atom number of from 1 to 8, provided that at least one of R2 and R3 is —OR4 or —OCOR5.Type: ApplicationFiled: October 31, 2011Publication date: May 17, 2012Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Mikio KOUYAMA, Hiroshi YAMAZAKI, Ken OHMURA
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Patent number: 8168735Abstract: The present invention provides a hydrophilic silicone which has a predetermined number of silicon atoms and a high purity and is suitable for producing an ophthalmic device and a process for preparing the same. The silicone compound is represented by formula (1) with a purity of 95% by weight or higher, wherein m is one value out of the integers of from 3 to 10, n is one value out of the integers of from 1 to 10, R1 is one out of alkyl groups having 1 to 4 carbon atoms, and R2 is one out of a hydrogen atom and a methyl group.Type: GrantFiled: May 26, 2009Date of Patent: May 1, 2012Assignee: Shin-Etsu Chemical Co., Ltd.Inventor: Shoji Ichinohe
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Patent number: 8088877Abstract: A curable composition and a process for using the curable composition within a grating-coupled waveguide (GCW) sensor are disclosed. The composition can be used for facile replication of optical components, specifically those used in a label-independent detection system where operation of the waveguide is dependent on the detailed formation of micro and nano size patterns. The photo or electron beam curable composition has low viscosity (?500 cPs) and cures to an optically clear material with high glass transition temperature (?70° C.), low shrinkage on cure, low outgassing, and low extractables.Type: GrantFiled: February 12, 2009Date of Patent: January 3, 2012Assignee: Corning IncorporatedInventors: Paul J. Shustack, Kimberly S. Wayman
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Patent number: 7939601Abstract: The present invention relates to a polymeric material comprising units capable of having a cationic charge at a pH of from about 4 to about 12; provided that said polymeric material has an average cationic charge density from about 2.75 or less units per 100 daltons molecular weight at a pH of from about 4 to about 12. The polymeric material is a suds enhancer and a suds volume extender for hand dishwashing compositions and personal care products such as soaps, shaving cream foam, foaming shaving gel, foam dephiliatories and shampoos. The polymers are also effective as a soil release agent in fabric cleaning compositions. The polymers are also useful in agrochemical foam, fire-fighting foam, hard surface cleaner foam, and coagulant for titanium dioxide in paper making.Type: GrantFiled: October 30, 2000Date of Patent: May 10, 2011Assignee: Rhodia Inc.Inventors: Vance Bergeron, Dominic Wai-Kwing Yeung, Jean-Francois Bodet, Mark Robert Sivik, Bernard William Kluesener, William Michael Scheper
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Patent number: 7799885Abstract: A curable composition and a process for using the curable composition within a grating-coupled waveguide (GCW) sensor are disclosed. The composition can be used for facile replication of optical components, specifically those used in a label-independent detection system where operation of the waveguide is dependent on the detailed formation of micro and nano size patterns. The photo or electron beam curable composition has low viscosity (?500 cPs) and cures to an optically clear material with high glass transition temperature (?70° C.), low shrinkage on cure, low outgassing, and low extractables.Type: GrantFiled: November 30, 2005Date of Patent: September 21, 2010Assignee: Corning IncorporatedInventors: Paul J. Shustack, Kimberly S. Wayman
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Patent number: 7771616Abstract: A polymerizable liquid crystal compound of formula (1). The compound has high optical (refractive index) anisotropy (?n), exhibits a liquid crystal phase at room temperature (having a broad liquid crystal phase temperature range) without crystallization, has high solubility in cyclohexanone, methyl ethyl ketone or like organic solvents, exhibits excellent coating properties and orientation properties, and, after polymerization, has high transparency. wherein R1 and R2 each represent hydrogen, a methyl group or halogen; rings A to C each represent a benzene ring, a naphthalene ring, etc.; at least one of rings A to C is a fused ring; X, Y, and Z each represent a C1 to C6 alkyl group, etc.; L1, L2, and L3 each represent —COO—, —OCO—, —O(CH2)j— (j=1 to 8), etc.; n is 0 or 1, and a to c are numbers such that the polymerizable liquid crystal compound may have at least one of X, Y, and Z.Type: GrantFiled: August 24, 2006Date of Patent: August 10, 2010Assignee: Adeka CorporationInventors: Masatomi Irisawa, Tatsunori Kobayashi, Mineki Hasegawa
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Publication number: 20100121013Abstract: A curable composition for photoimprints, comprising a (meth)acrylate compound represented by the following formula (1): wherein R1 and R2 represent a hydrogen atom or a methyl group; X represents a single bond or an aliphatic group; n and m indicate an integer of 1 or more, has a low viscosity and a high transfer patterning accuracy and gives a cured film excellent in scratch resistance and adhesiveness.Type: ApplicationFiled: November 5, 2009Publication date: May 13, 2010Applicant: FUJIFILM CorporationInventors: Kyouhei SAKITA, Hiroyuki Yonezawa
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Patent number: 7615601Abstract: A process for producing a living radical polymer characterized in that a vinyl monomer is polymerized with use of a living radical polymerization initiator represented by the formula (1) and a compound represented by the formula (2), and the living radical polymer obtained by the process wherein R1 is C1-C8 alkyl, aryl, substituted aryl or an aromatic heterocyclic group, R2 and R3 are each a hydrogen atom or C1-C8 alkyl, and R4 is aryl, substituted aryl, an aromatic heterocyclic group, acyl, oxycarbonyl or cyano (R1Te)2??(2) wherein R1 is the same as above.Type: GrantFiled: September 7, 2007Date of Patent: November 10, 2009Assignee: Otsuka Chemical Co., Ltd.Inventors: Shigeru Yamago, Junichi Yoshida
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Patent number: 7598332Abstract: There is provided a polymer compound including a repetitive unit structure represented by the following general formula (2): General formula (2): (where X? represents a polyalkenyl group; A represents a linear or branched alkylene group having a carbon atom number of 1 to 15, which may be substituted; m represents an integer of 0 to 30; B represents a single bond or an alkylene group which may be substituted; D represents an aromatic ring structure which may be substituted; n represents an integer of 0 to 10; and R represents a hydrogen atom, an alkyl group which may be substituted, or an aromatic ring structure which may be substituted). The polymer compound is suitable for improving dispersibility of a coloring material or solid material in an ink composition or toner composition.Type: GrantFiled: April 30, 2004Date of Patent: October 6, 2009Assignee: Canon Kabushiki KaishaInventors: Masayuki Ikegami, Koichi Sato, Ikuo Nakazawa, Sakae Suda, Keiichiro Tsubaki, Ryuji Higashi, Keiko Yamagishi
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Patent number: 7592408Abstract: The invention is directed to olefin copolymers composed of nonhydrolyzable monomer units and hydrolyzable monomer units, the latter resulting from copolymerization of monomers containing a linkage that is hydrolytically cleavable in the presence of aqueous base or aqueous acid. Generally, the hydrolyzable monomer units represent a significant fraction of the copolymer, such that upon hydrolysis, a substantial portion of the copolymer is degraded into low molecular weight fragments. Also provided are degradable articles that are at least partially composed of a degradable copolymer in which hydrolyzable monomer units represent at least 20 mole % of the copolymer.Type: GrantFiled: May 28, 2008Date of Patent: September 22, 2009Assignee: SRI InternationalInventors: Robert B. Wilson, Jr., Sigridur Jonasdottir
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Patent number: 7511107Abstract: An ethylene terpolymer wax comprising from 40 to 95% by weight of units of ethylene, from 0.1 to 40% by weight of units of at least one anhydride of a C4-C10-dicarboxylic acid having at least one ethylenic C—C double bond, and from 0.1 to 40% by weight of units of at least one ester of the formula I where R1 is selected from hydrogen, C1-C10-alkyl, C3-C12-cycloalkyl or C6-C14-aryl and R2 is selected from C1-C10-alkyl, C3-C12-cycloalkyl or C6-C14-aryl, having a molecular weight Mw of up to 20000 g/mol.Type: GrantFiled: November 12, 2003Date of Patent: March 31, 2009Assignee: BASF AktiengesellschaftInventors: Andreas Fechtenkötter, Katrin Zeitz, Michael Ehle, Andreas Deckers, Wolfgang Kasel
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Patent number: 7442753Abstract: A compound represented by the following general formula (1): (1) wherein A represents an alkenyl ether group which may be substituted; B represents a linear or branched alkylene group having 1 to 15 carbon atoms which may be substituted; m represents an integer from 0 to 30; when m is larger than 1, B may be different from each other; D represents a single bond or a linear or branched alkylene group having 1 to 10 carbon atoms which may be substituted; E represents any one of an aromatic ring which may be substituted, a condensed ring which may be substituted, and a structure formed by bonding through single bonds at most three aromatic rings which may be substituted; R represents a hydrogen atom, a linear or branched alkyl group having 1 to 5 carbon atoms which may be substituted, or an aromatic ring which may be substituted; n represents a positive number larger than 1; a COOR group in the formula is substituted into the aromatic ring of E; and a hydrogen atom in the aromatic ring, which is not substitutedType: GrantFiled: October 27, 2004Date of Patent: October 28, 2008Assignee: Canon Kabushiki KaishaInventors: Keiichiro Tsubaki, Koichi Sato, Ikuo Nakazawa, Ryuji Higashi, Sakae Suda, Masayuki Ikegami, Keiko Yamagishi
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Patent number: 7411033Abstract: Disclosed are vinyl ethers and related compositions. The vinyl ethers are the conjugate addition reaction product of reactants comprising a vinyl ether group-containing acrylic ester and a nucleophile.Type: GrantFiled: June 16, 2006Date of Patent: August 12, 2008Assignee: PPG Industries Ohio, Inc.Inventors: John E. Schwendeman, M. Lisa Perrine
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Patent number: 7399817Abstract: The invention is directed to olefin copolymers composed of nonhydrolyzable monomer units and hydrolyzable monomer units, the latter resulting from copolymerization of monomers containing a linkage that is hydrolytically cleavable in the presence of aqueous base or aqueous acid. Generally, the hydrolyzable monomer units represent a significant fraction of the copolymer, such that upon hydrolysis, a substantial portion of the copolymer is degraded into low molecular weight fragments. Also provided are degradable articles that are at least partially composed of a degradable copolymer in which hydrolyzable monomer units represent at least 20 mole % of the copolymer.Type: GrantFiled: November 28, 2005Date of Patent: July 15, 2008Assignee: SRI InternationalInventors: Robert B. Wilson, Jr., Sigridur Jonasdottir
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Patent number: 7291690Abstract: A process for producing a living radical polymer characterized in that a vinyl monomer is polymerized with use of a living radical polymerization initiator represented by the formula (1) and a compound represented by the formula (2), and the living radical polymer obtained by the process wherein R1 is C1-C8 alkyl, aryl, substituted aryl or an aromatic heterocyclic group, R2 and R3 are each a hydrogen atom or C1-C8 alkyl, and R4 is aryl, substituted aryl, an aromatic heterocyclic group, acyl, oxycarbonyl or cyano (R1Te)2??(2) wherein R1 is the same as above.Type: GrantFiled: August 8, 2003Date of Patent: November 6, 2007Assignee: Otsuka Chemical Co., Ltd.Inventors: Shigeru Yamago, Junichi Yoshida
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Publication number: 20070190318Abstract: The present invention relates to a pressure-sensitive adhesive tape or sheet for dicing which is to be applied to an active surface in the state of being not wholly covered with a native oxide film. The adhesive tape or sheet includes a substrate, and a radiation-curable pressure-sensitive adhesive layer disposed on at least one side of the substrate, in which the pressure-sensitive adhesive layer contains an acrylic polymer (A) having a weight-average molecular weight of 500,000 or higher and at least one radiation-polymerizable compound (B) selected from cyanurate compounds having one or more groups containing a carbon-carbon double bond and isocyanurate compounds having one or more groups containing a carbon-carbon double bond, and the ratio of the radiation-polymerizable compound (B) with respect to 100 parts by weight of the acrylic polymer (A) is 5 to 150 parts by weight.Type: ApplicationFiled: February 16, 2007Publication date: August 16, 2007Applicant: NITTO DENKO CORPORATIONInventors: Fumiteru Asai, Toshio Shintani, Yuji Okawa, Tomokazu Takahashi
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Patent number: 7205367Abstract: A fluorocopolymer which comprises (a) polymerized units based on tetrafluoroethylene and/or chlorotrifluoroethylene, (b) polymerized units based on a fluorinated monomer (excluding tetrafluoroethylene and chlorotrifluoroethylene) and (c) polymerized units based on at least one member selected from the group consisting of itaconic acid, itaconic anhydride, citraconic acid and citraconic anhydride, wherein (a) is from 50 to 99.8 mol %, (b) is from 0.1 to 49.99 mol %, and (c) is from 0.01 to 5 mol %, based on ((a)+(b)+(c)), and which has a volume flow rate of from 0.1 to 1000 mm3/sec.Type: GrantFiled: December 29, 2004Date of Patent: April 17, 2007Assignees: UBE Industries, Ltd., Asahi Glass Company, LimitedInventors: Atsushi Funaki, Naoko Sumi, Eiichi Nishi
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Patent number: 7078470Abstract: A fluorocopolymer which comprises (a) polymerized units based on tetrafluoroethylene and/or chlorotrifluoroethylene, (b) polymerized units based on a fluorinated monomer (excluding tetrafluoroethylene and chlorotrifluoroethylene) and (c) polymerized units based on at least one member selected from the group consisting of itaconic acid, itaconic anhydride, citraconic acid and citraconic anhydride, wherein (a) is from 50 to 99.8 mol %, (b) is from 0.1 to 49.99 mol %, and (c) is from 0.01 to 5 mol %, based on ((a)+(b)+(c)), and which has a volume flow rate of from 0.1 to 1000 mm3/sec.Type: GrantFiled: June 24, 2003Date of Patent: July 18, 2006Assignee: Asahi Glass Company, LimitedInventors: Atsushi Funaki, Naoko Sumi, Eiichi Nishi
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Patent number: 7037992Abstract: The invention is directed to olefin copolymers composed of nonhydrolyzable monomer units and hydrolyzable monomer units, the latter resulting from copolymerization of monomers containing a linkage that is hydrolytically cleavable in the presence of aqueous base or aqueous acid. Generally, the hydrolyzable monomer units represent a significant fraction of the copolymer, such that upon hydrolysis, a substantial portion of the copolymer is degraded into low molecular weight fragments. Also provided are degradable articles that are at least partially composed of a degradable copolymer in which hydrolyzable monomer units represent at least 20 mole % of the copolymer.Type: GrantFiled: March 18, 2003Date of Patent: May 2, 2006Assignee: SRI InternationalInventors: Robert B. Wilson, Jr., Sigridur Jonasdottir
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Patent number: 6939914Abstract: Superabsorbent polymer materials are provided including absorbent polymers having a fast vortex time, desirably about 10 seconds or less, and a stiffness index of at least about 0.7, as determined by test procedures described herein. The absorbent polymers can be modified to obtain a faster vortex time by a method including providing an absorbent polymer having a first vortex time, absorbing water with the absorbent polymer, freeze-drying the swollen absorbent polymer to remove at least a portion of the absorbed water, and obtaining a modified absorbent polymer having a second vortex time. The ratio of the first vortex time to the second vortex time is at least about 5, and desirably the modified absorbent polymer has a stiffness index of at least about 0.7.Type: GrantFiled: November 8, 2002Date of Patent: September 6, 2005Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Jian Qin, Richard Norris Dodge, II, Sridhar Ranganathan, Cathleen M. Uttecht, Xiaomin Zhang
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Patent number: 6864314Abstract: The present invention relates to a block polymeric material. Typically the block polymer comprises units capable of having an average cationic charge density of about 15 or less, preferably 5 or less, more preferably from about 0.05 to about 5, even more preferably from about 0.05 to about 2.77, even more preferably from about 0.1 to about 2.75, most preferably from about 0.75 to about 2.25 units per 100 daltons molecular weight at a pH of from about 4 to about 12. The polymeric material is a suds enhancer and a suds volume extender for personal care products such as soaps and shampoos. The compositions have increased effectiveness for preventing re-deposition of grease during hand and body washing. The polymers are also effective as a soil release agent in fabric cleaning compositions.Type: GrantFiled: October 30, 2000Date of Patent: March 8, 2005Inventors: Dominic Wai-Kwing Yeung, Vance Bergeron, Jean-Francois Bodet, Mark Robert Sivik, Bernard William Kluesener, William Michael Scheper
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Patent number: 6855762Abstract: A process for the preparation of water-soluble polymers of esters of ethylenically unsaturated carboxylic acids and polyalkylene glycols by azeotropic esterification, in the presence of organic solvents which form an azeotrope with water, of ethylenically unsaturated carboxylic acids with polyalkylene oxides which are capped at one end by end groups, to a degree of at least 85 wt %, followed by free-radical polymerization of the resulting esters optionally together with other ethylenically unsaturated monomers, in aqueous medium, wherein the organic solvents are removed by azeotropic distillation from the reaction mixture during polymerization and the water that is removed by distillation is recycled or the quantity of water removed by distillation from the reaction mixture is replaced by a feed of fresh water.Type: GrantFiled: November 16, 2000Date of Patent: February 15, 2005Assignee: BASF AktiengesellschaftInventors: Matthias Kroner, Karl-Heinz Büchner, Johannes Perner, Hans-Jürgen Raubenheimer, Dieter Faul
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Patent number: 6855787Abstract: A multi-layer hose having a multi-layer structure comprising an inner layer (I) made of a fluorocopolymer and an outer layer (II) made of a polyamide resin, wherein the fluorocopolymer constituting the inner layer (I) is a fluorocopolymer which comprises polymerized units (a) based on tetrafluoroethylene, polymerized units (b) based on ethylene and polymerized units (c) based on itaconic anhydride and/or citraconic anhydride, wherein the molar ratio of (a)/(b) is from 20/80 to 80/20 and the molar ratio of (c)/((a)+(b)) is from 1/10,000 to 5/100 and which has a volume flow rate of from 1 to 1,000 mm3/sec., and the polyamide resin constituting the outer layer (II) is polyamide 11 and/or polyamide 12, which satisfies a condition of (terminal amino group concentration)/(terminal carboxyl group concentration)>1.Type: GrantFiled: July 14, 2003Date of Patent: February 15, 2005Assignee: Asahi Glass Company, LimitedInventors: Atsushi Funaki, Naoko Sumi, Eiichi Nishi, Noriyuki Isobe, Tomoharu Nishioka, Koji Nakamura
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Patent number: 6774199Abstract: The present invention relates to a polymer of formula (I), which has a liquid crystalline side chain and exhibits switchable tackiness at a narrow temperature range around its isotropic transition temperature: wherein, R1 is R2 is selected from the group consisting of —SO2—, —C(O)—, —CH(COOH)—, —C(COOH)2—, —C(S)— and —C(NH)—; R3 is —CH2— or —CF2—; R4 is H or F; a is an integer ranging from 30 to 500; b is an integer ranging from 1 to 3; and c is an integer ranging from 3 to 20.Type: GrantFiled: October 11, 2002Date of Patent: August 10, 2004Assignee: Postech FoundationInventors: Kilwon Cho, Jeongho Cho, Jongchan Lee
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Patent number: 6774198Abstract: The present invention relates to partially branched polymers having a number-average molecular weight Mn in the range from 500 to 20 000 daltons and synthesized from ethylenically unsaturated monomers including: i) from 80 to 99.9% by weight of monoethylenically unsaturated monomers A, and ii) from 0.1 to 20% by weight of monomers B containing at least two nonconjugated ethylenically unsaturated double bonds, the weight fraction of the monomers A and B being based on the total amount of the ethylenically unsaturated monomers that constitute the polymer.Type: GrantFiled: January 21, 2003Date of Patent: August 10, 2004Assignee: BASF AktiengesellschaftInventors: Horst Binder, Bernd Bruchmann
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Patent number: 6699953Abstract: The present invention provides a material for optical lenses which not only sufficiently has properties such as impact resistance and dye-affinity essential for the optical lenses but also simultaneously attains a high refractive index, a high Abbe's number and a low specific gravity, and which is photopolymerizable. The present invention further provides a lens made of a synthetic resin which is a copolymer obtained by copolymerizing a composition comprising 20 to 80% by weight of bis-2-methacryloylthioethyl sulfide represented by the following structural formula (1), 5 to 50% by weight of a bifunctional or multifunctional thiol and 0 to 75% by weight of a monomer copolymerizable with these compounds, and which has a refractive index of 1.58 or more, an Abbe's number of 35 or more and a specific gravity of 1.35 or less: CH2═C(CH3)COSCH2CH2SCH2CH2SCOC(CH3)═CH2 Structural formula (1).Type: GrantFiled: November 26, 2002Date of Patent: March 2, 2004Assignee: Seed Co., Ltd.Inventors: Tatsuya Oshikiri, Yasushi Oyaizu, Kenji Uno
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Patent number: 6635732Abstract: A high refractive index, foldable polymer suitable for use in ophthalmic devices, such as intraocular lenses, is provided. The polymer may be produced from a polymerization reaction of first, second and third monomeric components and a crosslinking agent. The first monomeric component includes an aryl acrylate or an aryl methacrylate. The second monomeric component, which is not an acrylate, includes a monomer having an aromatic ring with a substituent having at least one site of ethylenic unsaturation. The third monomeric component includes a high water content hydrogel-forming monomer. The resulting high refractive index copolymer is durable enough to be cut and polished when dry, and becomes soft and foldable when hydrated.Type: GrantFiled: July 30, 2001Date of Patent: October 21, 2003Assignee: Surgidev CorporationInventor: Khalid Mentak
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Patent number: 6635731Abstract: A high refractive index, foldable polymer suitable for use in ophthalmic devices, such as intraocular lenses, is provided. The polymer may be produced from a polymerization reaction of first, second and third monomeric components and a crosslinking agent. The first monomeric component includes an aryl acrylate or an aryl methacrylate. The second monomeric component, which is not an acrylate, includes a monomer having an aromatic ring with a substituent having at least one site of ethylenic unsaturation. The third monomeric component includes a high water content hydrogel-forming monomer. The resulting high refractive index copolymer is durable enough to be cut and polished when dry, and becomes soft and foldable when hydrated.Type: GrantFiled: July 30, 2001Date of Patent: October 21, 2003Assignee: Surgidev CorporationInventor: Khalid Mentak
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Patent number: 6548565Abstract: A non-aqueous coating composition based on an oxidatively drying alkyd resin and a photo-initiator. An acid or latent acid and one or more compounds of the group of vinyl ethers, acetals, and alkoxysilanes which are reactive in the presence of an acid are incorporated into the coating composition. The vinyl ethers, acetals, and alkoxysilanes preferably are covalently bounded to the alkyd resin. The ratio of the number of oxidatively drying groups present in the alkyd resin to the number of groups reactive in the presence of an acid preferably is in the range of 1/10 to 15/1. The acid preferably is the phosphoric acid dibutyl ester.Type: GrantFiled: September 13, 2000Date of Patent: April 15, 2003Assignee: Akzo Nobel NVInventors: Keimpe Jan Van Den Berg, Huig Klinkenberg, Arie Noomen
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Patent number: 6458174Abstract: Copolymers containing A) from 45 to 54 mol % of divalent structural units of the formula 1 in which a and b=0 or 1 and a+b=1, B) from 35 to 53 mol % of divalent structural units of the formula 2 —H2C—CHR2— (2) and C) from 1 to 25 mol % of divalent structural units derived from polyolefins, where the polyolefins can be derived from monoolefins having 3 to 5 carbon atoms, wherein a) R1 is an alkyl or alkenyl radical having 10 to 40 carbon atoms or an alkoxyalkyl radical having 1 to 100 alkoxy units and 1 to 30 carbon atoms in the alkyl radical, and b) R2 is an alkyl radical having 10 to 50 carbon atoms, c) the alkylvinylidene content of the polyolefins on which the structural units C) are based is at least 50 mol %, and d) the number of carbon atoms in the polyolefin molecules on which the structural units C) are based is from 35 to 350.Type: GrantFiled: January 19, 2000Date of Patent: October 1, 2002Assignee: Clariant GmbHInventors: Matthias Krull, Waltraud Nagel
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Patent number: 6437052Abstract: Disclosed is a negative photoresist which is suitable for use in photolithography using light of 220 nm or shorter like the light from the ArF excimer laser as exposure light, avoids pattern deformation originated from swelling and has a high adhesion strength to the substrate (a micro pattern is hard to be separated from the substrate) in addition to a dry etching resistance and high resolution.Type: GrantFiled: November 2, 1999Date of Patent: August 20, 2002Assignee: NEC CorporationInventors: Shigeyuki Iwasa, Katsumi Maeda, Etsuo Hasegawa
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Patent number: 6391984Abstract: A staged method of forming vinyl (e.g.Type: GrantFiled: March 22, 1999Date of Patent: May 21, 2002Assignee: Solutia Inc.Inventors: Marilyn Grolitzer, Jun Lu, Ming Zhao
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Patent number: 6353069Abstract: High refractive index copolymers suitable for use in ophthalmic devices are disclosed. The copolymers comprise a) two or more monomers of the structure: wherein: X is H or CH3; m is 0-10; Y is nothing, O, S, or NR wherein R is H, CH3, CnH2n+1(n=1-10), iso-OC3H7, C6H5, or CH2C6H5; Ar is any aromatic ring which can be unsubstituted or substituted with H, CH3, C2H5, n-C3H7, iso-C3H7, OCH3, C6H11, Cl, Br, C6H5, or CH2C6H5; a crosslinking monomer having a plurality of polymerizable ethylenically unsaturated groups, and b) a total of about 5 mole % or less of one or more monomers of the structure: wherein: X is H or CH3; W is —CH3 or (CH2═C(—X)—C(═O)—); and n is such that the weight average molecular weight is approximately 600-1000 if W is —CH3 and approximately 400-1000 if W is (CH2═C(—X)—C(═O)—).Type: GrantFiled: March 24, 2000Date of Patent: March 5, 2002Assignee: Alcon Manufacturing, Ltd.Inventors: Charles Freeman, David L. Jinkerson, Mutlu Karakelle, Albert R. Leboeuf
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Publication number: 20020016431Abstract: Disclosed is a negative photoresist which is suitable for use in photolithography using light of 220 nm or shorter like the light from the ArF excimer laser as exposure light, avoids pattern deformation originated from swelling and has a high adhesion strength to the substrate (a micro pattern is hard to be separated from the substrate) in addition to a dry etching resistance and high resolution.Type: ApplicationFiled: July 18, 2001Publication date: February 7, 2002Applicant: NEC CorporationInventors: Shigeyuki Iwasa, Katsumi Maeda, Etsuo Hasegawa
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Patent number: 6281319Abstract: A high refractive index, foldable polymer suitable for use in ophthalmic devices, such as intraocular lenses, is provided. The polymer may be produced from a polymerization reaction of first, second and third monomeric components and a crosslinking agent. The first monomeric component includes an aryl acrylate or an aryl methacrylate. The second monomeric component, which is not an acrylate, includes a monomer having an aromatic ring with a substituent having at least one site of ethylenic unsaturation. The third monomeric component includes a high water content hydrogel-forming monomer. The resulting high refractive index copolymer is durable enough to be cut and polished when dry, and becomes soft and foldable when hydrated.Type: GrantFiled: July 22, 1999Date of Patent: August 28, 2001Assignee: Surgidev CorporationInventor: Khalid Mentak
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Patent number: 6180687Abstract: In vivo polymerizable intraocular lens compositions which comprise substituted fluoroalkyl or perfluoroalkyl monomers having anionic, cationic, and/or nonionic surface active functionality in the unsaturated fluorophobic ends. The compositions are preferably cured by UV photoinitiation and are useful in repairing torn or detached retinal tissue or forming intraocular lenses in situ.Type: GrantFiled: May 17, 1999Date of Patent: January 30, 2001Assignees: Alcon Laboratories, Inc., University of Southern MississippiInventors: Mark E. Hammer, Steven T. Charles, John C. Lang, Robert Y. Lochhead, Lon J. Mathias
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Patent number: 6174980Abstract: The present invention provides a method for producing a cement dispersant having high percentage in water reduction-rate and appropriate air-entraining property. This method for producing a polycarboxylic acid for a cement dispersant is characterized in that alkylene oxide is added at a specific temperature range.Type: GrantFiled: December 16, 1997Date of Patent: January 16, 2001Assignee: Nippon Shokubai Co., Ltd.Inventors: Tsuyoshi Hirata, Tsutomu Yuasa, Katsuhisa Shiote, Koichiro Nagare, Syogo Iwai
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Patent number: 6057412Abstract: An amphipathic compound represented by any of the following Formulas: ##STR1## (R.sub.1 is a linear or branched, saturated hydrocarbon group having 6 to 48 carbon atoms, or a linear or branched, unsaturated hydrocarbon group containing 1 to 12 unsaturated double bond and having 6 to 48 carbon atoms; Y is NH, N--(CH.sub.2 --CH.dbd.CH.sub.2), or O; Q is --CH.sub.2 --C(R.sub.2).dbd.CH.sub.2 or --R.sub.4 --O--CO--C(R.sub.2).dbd.CH.sub.2 ; and M is alkali metal, an ammonium group, or --(CH.sub.2 CH.sub.2 O).sub.m H), a copolymer of the amphipatic compound with a copolymerizable ethylenically unsaturated compound and, a paper making additive containing a water soluble or dispersible high molecular compound as an active ingredient and processes for producing these high molecular compounds.Type: GrantFiled: July 17, 1998Date of Patent: May 2, 2000Assignee: Mitsui Chemicals, Inc.Inventors: Toshihiko Takaki, Masaru Tanabe, Hiroshi Itoh, Masayuki Yanagi, Shoko Oyanagi, Hiroyoshi Watanabe
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Patent number: 6054502Abstract: A radiation curable coating composition comprising: (A) an unsaturated polyester component; and (B) a non-polymerized, cocurable vinyl ether component. Component (B) may be separate from or structurally incorporated in the unsaturated polyester component. The vinyl ether component contains an average of at least two vinyl ether groups per molecule of the vinyl ether component.Type: GrantFiled: March 23, 1998Date of Patent: April 25, 2000Assignee: PPG Industries Ohio, Inc.Inventors: Charles B. Friedlander, David A. Diehl
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Patent number: 6046292Abstract: Mesogens are provided based on substituted unsaturated carboxylic acids such as acrylic and methacrylic acid. Substitution of a variety of hydrophobic tails onto the carboxylic acid or acid derivative via the vinyl carbon proximal to the carbonyl of the carboxylic acid results in mesogens that are capable of forming thermotropic and single-phase lyotropic mesophases over a broad range of compositions. The mesophases can be polymerized to lock in the ordered phases.Type: GrantFiled: February 3, 1999Date of Patent: April 4, 2000Assignee: The Univeristy of Southern MississippiInventors: Robert Y Lochhead, Lon J Mathias
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Patent number: 6037431Abstract: Inexpensive absorbing agent and method for readily and satisfactorily collecting and removing a surfactant from a solution, such as a surfactant-containing liquid waste, are provided. The absorbing agent includes, for example, a crosslinked polymer having a polyoxyalkylene chain. The surfactant is absorbed by bringing the above-arranged absorbing agent into contact with the solution. A particularly preferable crosslinked polymer is produced by crosslinking polyalkylene glycol or polymerizing a monomeric component including a monomer based on (meta)acrylic ester expressed by General Formula below:CH.sub.2 .dbd.CR--CO--(X.sup.1).sub.n --Y.sup.1where R is a hydrogen atom or a methyl group, X.sup.1 is an oxyalkylene group having up to 5 carbon atoms, Y.sup.1 is a hydrogen atom, an alkoxy group having up to 5 carbon atoms, a phenoxy group, or an oxyalkylphenyl group having up to 3 alkyl groups each having up to 9 carbon atoms as a substitutional group, and n is a positive number ranging from 3-100 in average.Type: GrantFiled: May 30, 1997Date of Patent: March 14, 2000Assignee: Nippon Shokubai Co., Ltd.Inventors: Shorbu Shioji, Tomoki Gomi, Takashi Namba
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Patent number: 6001892Abstract: A liquid, radiation curable composition is disclosed that includes a reactive diluent to lower initial application viscosity without substantial reduction of cure rate. The composition of the present invention comprises: (a) an unsaturated polyester polymer; (b) a non-polymerized, cocurable polyfunctional vinyl ether component; and (c) a reactive diluent which is an unsaturated dioic acid ester having the following structural formula: ##STR1## wherein at least one of R.sup.1 and R.sup.2 is a group that includes an oxygen with a carbon adlacent thereto and an abstractable hydrogen attached to the carbon.Type: GrantFiled: February 16, 1996Date of Patent: December 14, 1999Assignee: PPG Industries Oho, Inc.Inventors: Alan B. Weissberg, Edward E. McEntire, Charles B. Friedlander
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Patent number: 5942556Abstract: Disclosed is a radiation curable composition which includes: (a) an unsaturated ester compound, and (b) a pulverizable vinyl ether compound. The unsaturated ester compound is characterized as having a plurality of unsaturated ester groups per molecule. The pulverizable vinyl ether compound is characterized as including at least one of the following: (a) a compound having an average of greater than 1.0 reactive vinyl ether groups per molecule, and (b) a vinyl ether-containing group bonded to the unsaturated ester compound such that there is an average of at least 1.0 reactive vinyl ether group per molecule. The unsaturated ester compound, the vinyl ether compound and/or a mixture thereof is treated with a reducing agent so as to decompose destabilizing agents present therein that would initiate premature polymerization of the vinyl ether compound.Type: GrantFiled: November 27, 1996Date of Patent: August 24, 1999Assignee: PPG Industries Ohio, Inc.Inventors: Charles B. Friedlander, Ronald R. Ambrose, David A. Diehl, Alan B. Weissberg, Carolyn A. Novak
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Patent number: 5880239Abstract: Fusible vinyl acetate copolymer fibers based on vinyl acetate copolymers are provided and contain (a) at least 40.0% by weight of vinyl acetate units; (b) 15.0 to 50.0% by weight of monomer units that consist of one or several chlorine-free, ethylenically unsaturated monomer units that consist of one or several ethylenically unsaturated monomers whose homopolymers have a glass transition temperature Tg from -100.degree. to 0.degree. C.Type: GrantFiled: September 5, 1997Date of Patent: March 9, 1999Assignee: Wacker-Chemie GmbHInventors: Peter Tschirner, Johannes Kinkel, Dieter Gorzel
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Patent number: 5869590Abstract: This invention provides polymers useful in coating compositions. The polymers are prepared via a free radical polymerization using ethylenically unsaturated monomers. The polymers of this invention possess pendant allylic groups which are capable of effecting free-radical flux when the compositions are applied to a substrate and exposed to oxygen. Coatings formed from preferred compositions possess superior solvent, print, and block resistance.Type: GrantFiled: May 21, 1997Date of Patent: February 9, 1999Assignee: Eastman Chemical CompanyInventors: Mark Dwight Clark, Martha Jean Collins, Patricia Lopez, James Wayne Taylor