Carboxylic Acid Contains Aryl Group, Or Two Or More Ethylenic Groups Patents (Class 526/318.1)
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Patent number: 6858678Abstract: A continuous bulk polymerization and esterification process includes continuously charging into a reaction zone at least one ethylenically unsaturated acid-functional monomer and at least one linear or branched chain alkanol having greater than 11 carbon atoms. The process includes maintaining a flow rate through the reaction zone sufficient to provide an average residence time of less than 60 minutes and maintaining a temperature in the reaction zone sufficient to produce a polymeric product incorporating at least some of the alkanol as an ester of the polymerized ethylenically unsaturated acid-functional monomer. The polymeric product is used in various processes to produce water-based compositions including emulsions and dispersions such as oil emulsions, wax dispersions, pigment dispersions, surfactants and coatings which contain the polymeric product.Type: GrantFiled: October 29, 2001Date of Patent: February 22, 2005Assignee: Johnson Polymer, LLCInventors: Kevin M. Andrist, John E. Blasko, Glenn C. Calhoun, Frederick C. Hansen, Dean R. Hellwig, Kurt A. Hessenius, Steven M. Hurley, D. Sunil Jayasuriya, Matthew G. Lee, Stephen J. Maccani, H. Thomas Mills, Jr., Gregory R. Peterson, Paul E. Sandvick, Dennis M. Wilson, John P. Wiruth
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Patent number: 6855747Abstract: There is disclosed a method of easily producing a long-lived ion sensitive film having excellent durability and used in an ion sensor. The method starts with preparing a monomer mixture consisting chiefly of monomer units including a functional group and a second group of bonded atoms. The functional group has a function of identifying a certain chemical substance. The second group can become an active species that induces a polymerization or bridging reaction by being irradiated with an electron beam or radiation. Then, the monomer mixture is irradiated with the electron beam or radiation in a low energy range. Thus, the monomer mixture is polymerized.Type: GrantFiled: December 23, 2002Date of Patent: February 15, 2005Assignees: JEOL Ltd., JEOL Engineering Co., Ltd.Inventors: Tadashi Kawai, Hirohisa Yoshida, Tokuo Mizuno, Atsuro Tonomura, Naoki Aota
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Patent number: 6852820Abstract: Solid rigid acrylic copolymer materials, useful for forming ophthalmic devices, are processed into the shape of an ophthalmic device, such as an intraocular lens and are then processed into a foldable form. The acrylic copolymer material has polymer units derived from an ?,?-ethylenically unsaturated carboxylic acid monomer, such as, (meth)acrylic acid, 1-butenoic acid, and the like, and an aryl(meth)acrylate monomer, such as, phenyl(meth)acrylate, 2-ethyloxy(meth)acrylate, and the like. The processing into a foldable shape may be accomplished by contacting the rigid material, having a Tg of 25° C. or higher, with an alcohol, preferably in the presence of acid catalyst, to lower the Tg to 20° C. or less.Type: GrantFiled: April 4, 2002Date of Patent: February 8, 2005Assignee: Nidek Co., Ltd.Inventor: Khalid Mentak
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Patent number: 6806337Abstract: Disclosed are soft, high refractive index, acrylic device materials having improved strength. The materials contain cross-linked acrylate or methacrylate microspheres.Type: GrantFiled: July 15, 2003Date of Patent: October 19, 2004Assignee: AlconInventors: Douglas C. Schlueter, Albert R. LeBoeuf, Mutlu Karakelle
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Patent number: 6802993Abstract: A photochromic cured product which has excellent photochromism such as high color density and high fading speed, excellent adhesion to a hard coat and high striping work efficiency. This cured product is obtained by polymerizing and curing a curable composition which comprises (A) a polyfunctional polymerizable monomer such as trimethylolpropane trimethacrylate, (B) a silyl monomer such as &ggr;-methacryloyloxypropyl trimethoxysilane, (C) another radically polymerizable monomer and (D) a photochromic compound. As for the contents of the polymerizable monomers, the content of the component (A) is 1 to 50 wt %, the content of the component (B) is 0.5 to 20 wt % and the balance consists of the component (C) based on the total of the components (A), (B) and (C). The photochromic compound (D) is contained in an amount of 0.0001 to 10 parts by weight based on 100 parts by weight of the total of the components (A), (B) and (C).Type: GrantFiled: May 29, 2002Date of Patent: October 12, 2004Assignee: Tokuyama CorporationInventors: Junji Momoda, Toshiaki Otani
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Patent number: 6780953Abstract: The present invention provides a polymer that can be used as an anti-reflective coating (ARC) polymer, an ARC composition comprising the same, methods for producing the same, and methods for using the same. The polymer of the present invention is particularly useful in a submicrolithographic process, for example, using KrF (248 nm) or ArF (193 nm) lasers as a light source. The polymer of the present invention comprises a chromophore that is capable of absorbing light at the wavelengths used in a submicrolithographic process. Thus, the ARC of the present invention significantly reduces or prevents back reflection of light and the problem of the CD alteration caused by the diffracted and/or reflected light. The ARC of the present invention also significantly reduces or eliminates the standing wave effect and reflective notching.Type: GrantFiled: November 12, 2002Date of Patent: August 24, 2004Assignee: Hyundai Electronics Industries Co., Ltd.Inventors: Min-Ho Jung, Sung-Eun Hong, Ki-Ho Baik
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Patent number: 6777385Abstract: A low-molecular (meth)acrylic acid (salt)-based polymer having a good color tone is obtained by polymerizing an aqueous solution of at least one monomer component of a high concentration in the presence of an alkaline substance, wherein: 100 to 95 mol % of the at least one monomer component is a monoethylenically unsaturated monocarboxylic acid (salt) monomer (a) having 3 to 6 carbon atoms; and 0 to 5 mol % of the at least one monomer component is a monoethylenically unsaturated monomer (b) copolymerizable with the monomer (a) (wherein the total of (a) and (b) is 100 mol % ); and wherein: a persulfate salt and hydrogen peroxide are used together as polymerization catalysts; and the entirety of the alkaline substance as used is set not to be more than 99 mol % of the amount which is necessary for neutralizing all acid groups of the at least one monomer component; and wherein: the dropwise addition of the hydrogen peroxide is completed at the latest 10 minutes earlier than the completion time of the dropwise adType: GrantFiled: June 25, 2001Date of Patent: August 17, 2004Assignee: Nippon Shokubai Co., Ltd.Inventors: Akiko Hemmi, Yoshihiro Maeda, Shigeru Yamaguchi, Yoshikazu Fujii
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Patent number: 6765079Abstract: Novel cross linked polymer films prepared from poly4-[(4-cardanylazo]benzoic acid and poly4-[(4-acryloylcardanylazo]benzoic acid are disclosed. The invention also relates to novel monomers 4-[(4-cardanylazo] benzoic acid and 4-[(4-acryloylcardanylazo] benzoic acid and polymers thereof as well processes for the preparation thereof.Type: GrantFiled: March 24, 2003Date of Patent: July 20, 2004Assignee: Council of Scientific and Industrial ResearchInventors: Muthusamy Saminathan, Chennakkattu Krishna Sadasivan Pillai
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Publication number: 20040106757Abstract: Carboxyl group-containing polymer particles giving a neutralized viscous liquid being excellent in gel appearance and transparency. Carboxyl group-containing polymer particles comprising 55 to 94% by volume of water-swelled gel particles having a particle diameter of less than 50 &mgr;m when the carboxyl group-containing polymer particles are dispersed and swelled in water in a concentration of 0.5% by weight, and 6 to 45% by volume of water-swelled gel particles having a particle diameter of at least 50 &mgr;m when carboxyl group-containing polymer gel particles are dispersed and swelled in water in a concentration of 0.5% by weight.Type: ApplicationFiled: October 3, 2003Publication date: June 3, 2004Inventors: Shigeki Hamamoto, Tomoki Kawakita, Masatoyo Yoshinaka
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Patent number: 6723815Abstract: Covalently-bound, hydrophilic copolymer coatings for implants are disclosed. The copolymer coatings comprise a hydrophobic aryl acrylic monomer, a hydrophilic monomer selected from the group consisting of hydroxyalkyl (meth)acrylates, n-vinyl pyrrolidone and acrylamides, and a reactive plasticizer.Type: GrantFiled: May 13, 2003Date of Patent: April 20, 2004Assignee: Alcon, Inc.Inventors: Thomas A. Callaghan, Albert R. Leboeuf
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Patent number: 6720398Abstract: The invention relates to a polymerization process wherein at least one initiator is selected from trioxepan compounds of formula I with R1-3 being independently selected from substituted or unsubstituted hydrocarbyl groups.Type: GrantFiled: August 15, 2001Date of Patent: April 13, 2004Assignee: Akzo Nobel N.V.Inventors: Andreas H. Hogt, John Meijer
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Patent number: 6713583Abstract: Ophthalmic lenses, such as intraocular lenses, include cross-linked polymeric materials having a first constituent derived from a first monomeric component selected from the group consisting of acrylates, methacrylates and mixtures thereof, and a second constituent derived from a second component in an amount effective as a cross linker in the cross-linked polymeric material. The cross-linked polymeric material has branched chain alkyl groups, preferably included with at least a portion of the first monomeric component, in an amount effective to reduce the tackiness of the cross-linked polymeric material relative to a substantially identical cross-linked polymeric material without the branched chain alkyl groups.Type: GrantFiled: February 23, 2001Date of Patent: March 30, 2004Assignee: Advanced Medical Optics, Inc.Inventors: Xiugao Liao, Joseph I. Weinschenk, III
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Patent number: 6673886Abstract: Optically transparent, high refractive index hydrogels and intraocular lenses fabricated therefrom. The preferred hydrogels have a refractive index of 1.45 or above and a water content of approximately 5 to 30 percent by weight.Type: GrantFiled: October 10, 2001Date of Patent: January 6, 2004Assignee: Bausch & Lomb IncorporatedInventor: David P. Vanderbilt
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Patent number: 6657030Abstract: Optically transparent, high refractive index hydrogels and intraocular lenses fabricated therefrom. The preferred hydrogels have a refractive index of 1.45 or above and a water content of approximately 5 to 30 percent by weight.Type: GrantFiled: October 10, 2001Date of Patent: December 2, 2003Assignee: Bausch & Lomb IncorporatedInventor: David P. Vanderbilt
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Patent number: 6657032Abstract: Optically transparent, high refractive index hydrogels and intraocular lenses fabricated therefrom. The preferred hydrogels have a refractive index of 1.45 or above and a water content of approximately 5 to 30 percent by weight.Type: GrantFiled: October 10, 2001Date of Patent: December 2, 2003Assignee: Bausch & Lomb IncorporatedInventor: David P. Vanderbilt
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Publication number: 20030208019Abstract: A composition for plastic lenses having a viscosity suitable for application to plastic lens materials and other optical materials and capable of giving a cured material having a relatively high refractive index and a low specific gravity, a plastic lens obtained by curing the composition, and a process for producing the plastic lens. A specific dicarboxylic acid component and a specific diol component are employed and the ratio of the components is adjusted to provide the composition for plastic lenses.Type: ApplicationFiled: March 14, 2002Publication date: November 6, 2003Inventors: Kazuhiko Ooga, Tsuneo Tajima, Kai Kazufumi, Hiroshi Uchida
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Patent number: 6632905Abstract: Covalently-bound, hydrophilic copolymer coatings for implants are disclosed. The copolymer coatings comprise 2-phenylethyl (meth)acrylate, a hydrophilic monomer selected from the group consisting of hydroxyalkyl (meth)acrylates and acrylamides, and a reactive plasticizer.Type: GrantFiled: December 20, 2001Date of Patent: October 14, 2003Assignee: Alcon Universal Ltd.Inventor: Albert R. Leboeuf
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Patent number: 6632907Abstract: The present invention relates to a process for the production of methacrylic polymers which comprises the steps of, in one perfect mixing type reactor, effecting continuous bulk polymerization at a polymerization temperature of 110 to 160° C.Type: GrantFiled: October 30, 2000Date of Patent: October 14, 2003Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Hirotoshi Mizota, Shigeaki Sasaki, Tomonari Murakami, Kouzi Ishizaka
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Publication number: 20030176576Abstract: It is an object of the present invention to provide a curable which has good storage stability and can give cured products retaining the high elongation characteristic originating from the polyether polymer and showing a high gel fraction and good weatherability.Type: ApplicationFiled: April 4, 2003Publication date: September 18, 2003Inventors: Nao Fujita, Yasuo Shimizu, Nobuhiro Hasegawa, Yoshiki Nakagawa
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Patent number: 6605681Abstract: A process is disclosed for a continuous, high temperature polymerization process for preparing a free radically polymerized epoxy-functional polymeric product. The process comprises continuously charging into a reactor at least one epoxy-functional acrylic monomer, and optionally at least one non-functional free radical polymerizable monomer. An optional free radical polymerization initiator may also be added. The reactor is maintained at an effective temperature for an effective period of time to cause polymerization of the monomers into a polymeric product, such that the polymeric product is formed substantially free of gel particles. A clear coating is also disclosed incorporating polymers of the present invention, such that the clear coating has a low Delta b value at standard conditions.Type: GrantFiled: July 12, 2000Date of Patent: August 12, 2003Assignee: Johnson Polymer, Inc.Inventors: Marco A. Villalobos, Warunee Srisiri-Sisson, Alan J. Pekarik, J. David Campbell
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Patent number: 6573348Abstract: A curable resin composition containing (A) an aromatic diallyl compound, (B) an acid derivative or an aliphatic group-containing compound having at least 4 (meth)acryl groups in one molecule, (C) divinylbenzene, and (D) a polythiol compound having at least two mercapto groups in one molecule provides an optical material having a desirable refractive index, Abbe number and transparency, and excellent heat resistance.Type: GrantFiled: April 11, 2001Date of Patent: June 3, 2003Assignee: Daiso Co. LTDInventors: Katsutoshi Yokoyama, Kazuya Tsujimura
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Patent number: 6534677Abstract: The present invention provides a carbon-containing catalyst support that includes at least a carbonaceous material nd a thermosetting or sinterable polymer. The components are mixed and the polymer sintered or thermoset to provide a non-crushable, non-friable, and non-breakable composite. A catalytically active metal can be supported on the carbonaceous material prior to mixing, or on the composite after mixing and heating the mixture to sinter or thermoset the polymer.Type: GrantFiled: June 4, 2001Date of Patent: March 18, 2003Assignee: Engelhard CorporationInventors: James Ferguson White, Jeffrey James Ramler
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Patent number: 6500879Abstract: The invention provides dental cement compositions and methods of using them for binding hard tooth material, metal and ceramic. The cement compositions include shelf stable complexes of ethylenically unsaturated monomers reacted with cations. The cements have superior adhesion to tooth without separately acid etching dentin or enamel. Compositions of are useful as dental luting cements, liners, pit and fissure seal bases and restoratives.Type: GrantFiled: June 15, 1994Date of Patent: December 31, 2002Assignee: Dentsply Research & Development Corp.Inventors: Chin-Teh Huang, Kewang Lu, Mingxin Fan, Paul Hammesfahr
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Patent number: 6497867Abstract: The invention relates to the use of copolymers comprising a) 82 to 99.9 mol % of at least one monoethylenically unsaturated C3-C8-carboxylic acid; b) 0.1 to 18 mol % of at least one monomer selected from the group b1) N—C8-C30-alkyl-substituted amides of monoethylenically unsaturated C3-C8-carboxylic acids, b2) N,N—C8-C30-dialkyl-substituted amides of monoethylenically unsaturated C3-C8-carboxylic acids, b3) C8-C30-alkyl esters of monoethylenically unsaturated C3-C8-carboxylic acids; c) 0 to 17.9 mol % of at least one monomer selected from the group of c1) vinyl esters of aliphatic C8-C30-carboxylic acids, c2) C8-C30-alkylvinyl ethers, the mol % data for the individual components adding up to 100%, as solubilizer.Type: GrantFiled: September 18, 2001Date of Patent: December 24, 2002Assignee: BASF AktiengesellschaftInventors: Helmut Meffert, Axel Sanner, Gunther Berndl, Folker Ruchatz, Karl Kolter, Kurt Heinz Bauer
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Publication number: 20020177681Abstract: Polyester based polycarbonate (meth)acrylates prepared by the reaction of a alkylene or arylene diol polycarbonate with an anhydride or its dicarboxylic acid to form a carboxyl terminated diester, reacting the diester with a diglycidyl ether and an acrylic or methacrylic acid to form an acrylate terminate polymer which is useful for radiation cured coatings which have superior adhesion and reverse impact strength when applied to plastic substrates.Type: ApplicationFiled: April 13, 2001Publication date: November 28, 2002Inventors: Mingxin Fan, Gary Ceska, James Horgan, Robert Adams, William Schaeffer, Josh Oliver
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Patent number: 6479600Abstract: Functional polyolefin material containing a terminal styrene or styrene derivative unit and having the following molecular structure: in which polyolefin is a homopolymer or copolymer prepared by metallocene-mediated coordination polymerization of linear, branched or cyclic C3-C18 alpha-olefins and/or diolefins, in which the molecular weight of polyolefin segment is above 500 g/mole, preferably in the range between 10,000 to 1,000,000 g/mole, in which the number of methylene spacer units (n) is between 0 and 6, and preferably between 0 and 3, and in which X is a group selected from H, Cl, Br, I, OH, NH2, COOR, O—BR2, O—SiR3, N(SiR3)2, BR2, SiR3 (where R is a C1 to C10 linear, branched, cyclic or aromatic alkyl group), CH═CH2, COOH, COOLi, and succinic anhydride, is disclosed. Also disclosed is a process for preparing the functional polyolefin material.Type: GrantFiled: January 8, 2001Date of Patent: November 12, 2002Assignee: The Penn State Research FoundationInventors: Tze-Chiang Chung, Jin Yong Dong
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Patent number: 6476136Abstract: The present invention relates generally to compositions prepared by polymerizing vinyl neo C9-C13 carboxylic acid esters. Such compositions include latex compositions that are formed by polymerizing vinyl neo C9-C13 carboxylic acid esters with ethylenically unsaturated comonomers such as acrylic acid esters and vinyl acetate. The polymer compositions of the present invention are particularly suitable for use in applications such as architectural (both interior and exterior), direct-to-metal and marine coatings and transportation maintenance applications.Type: GrantFiled: February 6, 2001Date of Patent: November 5, 2002Assignee: ExxonMobil Chemical Patents Inc.Inventors: Vijay Swarup, Peter S. Ellis, Henry W. Yang, Oliver W. Smith, Thomas H. Henry
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Publication number: 20020128417Abstract: 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: ApplicationFiled: July 30, 2001Publication date: September 12, 2002Applicant: Surgidev CorporationInventor: Khalid Mentak
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Publication number: 20020128414Abstract: The invention provides a biocompatible copolymer produced by polymerizing a mixture comprising at least one monomer selected from the group consisting of itaconates, (meth)acrylates, fumarates and styrenics, at least one ethylenically unsaturated organosiloxane monomer and at least one monomer comprising a POSS compound.Type: ApplicationFiled: December 17, 2001Publication date: September 12, 2002Inventors: Bonafini A. James, Salamone C. Joseph
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Patent number: 6410672Abstract: The invention provides ion exchange and electrochemical methods and devices employing anion exchange polymers produced by substantially simultaneous quaternization and polymerization reactions. Anion selective polymers are produced in accordance with the invention by combining, an ethylenic tertiary amine monomer, an alkylating agent having a boiling point temperature of at least about 100° C., and a cross-linking agent in the presence of a polymerizing agent for a time and at a temperature sufficient to form the polymer. The alkylating agent and the cross-linking agent may be the same compound, a cross-linking alkylating agent. The polymers may be produced in the presence of solvents and/or in the presence of diluting monomers which are incorporated into the polymers.Type: GrantFiled: July 28, 1999Date of Patent: June 25, 2002Assignee: Ionics, IncorporatedInventors: Russell J. MacDonald, James A. Lech
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Patent number: 6403698Abstract: The invention provides a method of making an amide-type polymer/first polymer blend comprising the steps of: a) preparing a polymer colloid system comprising a first polymer dispersed in a liquid continuous phase; b) introducing the polymer colloid system into an amide-type polymerization reaction medium prior to or during the reaction, wherein the reaction medium comprises 1) a diacid component and a diamine component, an oligomer of a diacid and a diamine component, or a mixture thereof; and c) polymerizing the components of b)1, thereby providing an amide-type polymer/first polymer blend. Polymer blends made by the methods herein are also provided.Type: GrantFiled: March 2, 2000Date of Patent: June 11, 2002Assignee: Eastman Chemical CompanyInventors: David Logan Murray, Allan Scott Jones, Wesley R. Hale, William R. Darnell
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Patent number: 6391940Abstract: A preferred embodiment of the invention provides a composition and method of treating dental metal. The composition includes a polymerizable aryl compound having at least one carboxylic acid group and at least one polymerizable group, and a polymerizable compound having at least one polymerizable group and at least one phosphorous containing group. A preferred composition includes at least 50 percent by weight of a volatile organic solvent, at least 15 percent by weight of one or more polymerizable acrylate compounds and an effective amount of a photoinitiator. At least a portion of the polymerizable compounds are multifunctional polymerizable compounds having at least three acrylate moieties. The polymerizable compounds are substantially soluble in the solvent. The composition is adapted to form a polymeric material which is adapted to adhere to metal and ceramics and to dentin. Compositions of the invention have superior adhesion to dental metals and tooth without separately acid etching dentin or enamel.Type: GrantFiled: June 29, 1999Date of Patent: May 21, 2002Assignee: Dentsply Research & Development Corp.Inventors: Gordon Brian Blackwell, Kewang Lu, Chin-Teh Huang, Mingxin Fan, Paul D. Hammesfahr, Xiuling Wang, Junjie Sang
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Patent number: 6372872Abstract: A method for producing a system adapted to interact with a dissolved species, the method comprising providing a first component incorporating a complexing functionality, X, and a polymerizable functionality, R, the complexing functionality being capable of forming a complex with the dissolved species, and providing a second component polymerisable with the first component, the method involving contacting the first component with a species with which it complexes and subsequently contacting the complexed first component with the second component and polymerizing the two to produce a polymer incorporating the complexing functionality X, the method further comprising the removal of the complexed species from the functionality X, wherein the complexable functionality is selective from functionalities of the formula: ═CTCOOH, where T is hydrogen or any halogen (most preferably chlorine), methyl and halogen substituted forms thereof, or ≡CCOOH; or PhCOOH.Type: GrantFiled: May 8, 2000Date of Patent: April 16, 2002Assignee: British Nuclear Fuels PLCInventors: Simon Nigel Port, Malcolm John Joyce, Paul Howard Walton, Gregory David Saunders
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Publication number: 20020042488Abstract: Novel substantially random functionalized interpolymers and processes for making them are disclosed. The novel interpolymers include those prepared from ethylene and vinyl aromatic monomers such as ethylene-styrene interpolymers which are then functionalized with a variety of electrophilic and nucleophilic reagents.Type: ApplicationFiled: January 10, 2001Publication date: April 11, 2002Inventors: Ray E. Drumright, Robert H. Terbrueggen, Kenneth A. Burdett, Francis J. Timmers, Stephen F. Hahn
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Publication number: 20020037988Abstract: Novel substantially random functionalized interpolymers and processes for making them are disclosed. The novel interpolymers include those prepared from ethylene and vinyl aromatic monomers such as ethylene-styrene interpolymers which are then functionalized with a variety of electrophilic and nucleophilic reagents.Type: ApplicationFiled: October 10, 2001Publication date: March 28, 2002Inventors: Ray E. Drumright, Robert H. Terbrueggen, Kenneth A. Burdett, Francis J. Timmers, Stephen F. Hahn
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Patent number: 6355727Abstract: A continuous bulk polymerization and esterification process includes continuously charging into a reaction zone at least one ethylenically unsaturated acid-functional monomer and at least one linear or branched chain alkanol having greater than 11 carbon atoms. The process includes including maintaining a flow rate through the reaction zone sufficient to provide an average residence time of less than 60 minutes and maintaining a temperature in the reaction zone sufficient to produce a polymeric product incorporating at least some of the alkanol as an ester of the polymerized ethylenically unsaturated acid-functional monomer. The polymeric product is used in various processes to produce water-based compositions including emulsions and dispersions such as oil emulsions, wax dispersions, pigment dispersions, surfactants and coatings which contain the polymeric product.Type: GrantFiled: July 2, 1999Date of Patent: March 12, 2002Assignee: S. C. Johnson Commercial Markets, Inc.Inventors: Kevin M. Andrist, John E. Blasko, Glenn C. Calhoun, Frederick C. Hansen, Dean R. Hellwig, Kurt A. Hessenius, Steven M. Hurley, D. Sunil Jayasuriya, Matthew G. Lee, Stephen J. Maccani, H. Thomas Mills, Jr., Gregory R. Peterson, Paul E. Sandvick, Dennis M. Wilson, John P. Wiruth
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Publication number: 20020007029Abstract: A polymerizable vinylester composition is described which comprises at least three monomers and oligomers, said composition comprising:Type: ApplicationFiled: February 22, 2001Publication date: January 17, 2002Inventor: Boris A. Zaitsey
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Patent number: 6329485Abstract: Optically transparent, high refractive index hydrogels and intraocular lenses fabricated therefrom. The preferred hydrogels have a refractive index of 1.45 or above and a water content of approximately 5 to 30 percent by weight.Type: GrantFiled: December 11, 1998Date of Patent: December 11, 2001Assignee: Bausch & Lomb IncorporatedInventor: David P. Vanderbilt
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Patent number: 6323252Abstract: A composition comprising aqueous fluid absorbent polymer particles which have been heat-treated at temperatures greater than 170° C. for more than 10 minutes, wherein the composition has been remoisturized, after the heat-treatment, with an aqueous additive solution, in the absence of an organic solvent or water-insoluble, non-swellable powder, and comprises 1 to 10 percent by weight, based on the total weight of the composition, water and wherein the composition is characterized by the ability to absorb at least 20 grams of a 0.9 weight percent aqueous saline solution under a pressure of 0.3 psi (21,000 dynes/cm2), that is, a 60 minute 0.3 psi (21,000 dynes/cm2) AUL greater than 20 grams/gram. A process for preparing such a composition.Type: GrantFiled: January 10, 2000Date of Patent: November 27, 2001Assignee: The Dow Chemical CompanyInventors: Herbert A. Gartner, Thomas L. Staples, Michael A. Fialkowski
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Patent number: 6313252Abstract: Novel substantially random functionalized interpolymers and processes for making them are disclosed. The novel interpolymers include those prepared from ethylene and vinyl aromatic monomers such as ethylene-styrene interpolymers which are then functionalized with a variety of electrophilic and nucleophilic reagents.Type: GrantFiled: February 4, 1999Date of Patent: November 6, 2001Assignee: The Dow Chemical CompanyInventors: Ray E. Drumright, Robert H. Terbrueggen, Kenneth A. Burdett, Francis J. Timmers, Stephen F. Hahn
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Patent number: 6291548Abstract: A dental cement composition is disclosed, comprising a liquid material and a powder material, wherein said liquid material comprises 4-methacryloxyethyl trimellitic acid and water, said powder material comprising a powdered fluoroalumino silicate glass or a powdered metal oxide containing zinc oxide as the major component, the dental cement composition of the invention has a superior adhesive strength and adhesive durability to the tooth structure and superior in mechanical strengths, particularly in bending strength, without using dental adhesives requiring the surface treatment or priming.Type: GrantFiled: July 28, 1999Date of Patent: September 18, 2001Assignee: GC CorporationInventors: Shoji Akahane, Hisashi Nakaseko
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Patent number: 6274687Abstract: Powder of agglomerated crosslinked allyl copolymer fine particles of (a) more than 40% by weight to 80% by weight of diallyl phthalate, (b) 0.05% by weight to 2% by weight of an &agr;,&bgr;-unsaturated carboxylic acid and (c) a balance of at least one vinyl monomer selected from the group consisting of an aromatic vinyl compound and an acrylate ester or methacrylate ester of an alcohol having 1 to 8 carbon atoms, is very excellent in collapse dispersibility in an organic matrix.Type: GrantFiled: September 4, 1998Date of Patent: August 14, 2001Assignee: Daiso Co., Ltd.Inventors: Yasumi Shimizu, Seiji Nakamura, Koji Aoki
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Patent number: 6258909Abstract: A polymerizable vinylester composition is described which comprises at least three monomers and oligomers, said composition comprising: 2-95% by weight of: diaryl compounds comprising at least two aryl groups linked directly together or bridged by a linking group, each of said at least two aryl groups having a vinyl group attached thereto, 2-65% by weight of: a methacrylic acid ester of a vinyl-substituted sec-ethylol-diaryl oxide or its thioether or methine or biphenyl counterpart, and 1-35% by weight of: dimethacrylic acid esters of bis-[4-(1-hydroxyethyl)aryl] ether, thioether or methine, or their counterparts where aromatic rings are linked together directly, and 2-95% by weight of: unsaturated oligomers, and said reactive composition has less than 1% mol basis of monoaryl phenolic compounds.Type: GrantFiled: October 7, 1998Date of Patent: July 10, 2001Inventor: Boris A. Zaitsev
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Patent number: 6232412Abstract: The invention relates to build-up agents which comprise a condensation product among an aldehyde, a phenol compound and an aromatic carboxylic acid, hydroxy-substituted on the aromatic nucleus. The products are particularly effective in reducing or suppressing the build-up formation in the polymerization of vinyl chloride or vinyl acetate, other copolymerizable substances being optionally present. Further objects of the invention are compositions containing the above agents, their use as build-up agents, methods for their preparation and the products obtained therefrom, the polymerization processes carried out in reactors whose inner walls are coated with these agents and polymers obtained from these process.Type: GrantFiled: June 3, 1999Date of Patent: May 15, 2001Assignee: 3V Inc.Inventors: Giuseppe Raspanti, Matteo Zanotti Russo
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Patent number: 6211320Abstract: In accordance with the present invention, there are provided low viscosity acrylate monomers, and compositions based on same having low moisture resistance (and, hence are much less prone to give rise to “popcorning”), excellent handling properties (i.e., generally existing as a fluid material which does not require the addition of solvent to facilitate the use thereof), and excellent performance properties (e.g., good dielectric properties).Type: GrantFiled: July 28, 1999Date of Patent: April 3, 2001Assignee: Dexter CorporationInventors: Stephen M. Dershem, Jose A. Osuna
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Patent number: 6187838Abstract: The use of polymerizable monomeric conditioning agents for treating the enamel and dentin of a tooth prior to application of a primer and subsequent application of a bonding resin, or a combination of a primer/bonding resin has been found to provide good shear bond strength on both moist and dry dentin. In addition, the contact angles provided by water on dentin conditioned with the polymerizable conditioners as compared to the non-polymerizable phosphoric acid are much lower, reflecting improved spreading over the surface of the tooth.Type: GrantFiled: June 7, 1999Date of Patent: February 13, 2001Assignee: American Dental Association Health FoundationInventor: Sabine H. Dickens