From Phenol, Phenol Ether, Or Inorganic Phenolate Monomer Patents (Class 526/313)
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Patent number: 4925589Abstract: Polymers having a monomeric unit of the formula ##STR1## wherein R.sup.1 represents hydrogen, methyl, ethyl, fluorine, chlorine, bromine, cyano or phenyl; X.sup.1 denotes oxygen, sulfur, --NH-- or --N(CH.sub.3)--; R.sup.2 is alkylene with 3-15 carbon atoms in which optionally a non-terminal methylene group is replaced by oxygen or sulfur; X.sup.2 denotes a single covalent bond, oxygen or sulfur; rings A and B each independently represent 1,4-phenylene which is unsubstituted or substituted with halogen, methyl, methoxy and/or cyano and in which optionally one CH group or two CH groups is/are replaced by nitrogen; ring C represents 1,4-phenylene which is unsubstituted or substituted with halogen, methyl, methoxy and/or cyano and in which optionally one CH group or two CH groups is/are replaced by nitrogen or represents trans-1,4-cyclohexylene; n stands for the number 0 and Z.sup.1 stands for --CONH-- or --NHCO--; or n stands for the number 1, one of the groups Z.sup.1 and Z.sup.Type: GrantFiled: November 28, 1988Date of Patent: May 15, 1990Assignee: Hoffmann-La Roche Inc.Inventor: Reinhard Lorenz
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Patent number: 4921923Abstract: Oligomeric condensation products of certain diketones and phenols can be end-capped with a vinylbenzyl moiety and certain other moieties, especially alkyl groups, to afford thermosetting resins particularly valuable in making laminated circuit boards. Resins prepared by the reaction of 1 molar proportion of diacetylbenzene with from 3.5 to 4.0 molar proportions of phenol and end-capped with from 50 to 100% vinylbenzyl groups with the remainder being alkyls of 1 through 11 carbon atoms are particularly useful.Type: GrantFiled: November 18, 1988Date of Patent: May 1, 1990Assignee: Allied Signal Inc.Inventors: Joseph J. Zupancic, Jean M. J. Frechet, Andrew M. Zweig, Jeffrey P. Conrad
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Patent number: 4913839Abstract: A ferroelectric liquid crystal polymer comprising the recurring units represented by the following general formula: ##STR1## in which k is an integer of from 1 to 30,R.sub.1 is ##STR2## R.sub.2 is --COOR.sub.3, --OCOR.sub.3, --OR.sub.3, or --R.sub.3, in whichR.sub.3 is ##STR3## R.sub.4 is --CH.sub.3 or Cl, m is 0 or an integar of from 1 to 10,n is 0 or an integar of from 1 to 10, providing that n is not 0, when R.sub.4 is --CH.sub.3.The ferroelectric liquid crystal polymer of the present invention not only exhibits a ferroelectricity even at temperatures in the vicinity of a room temperature, but also has so fast response speed to the external factors as to be able to display motion pictures, and may be advantageously used as display elements for large size screens and a curved screens.Type: GrantFiled: April 18, 1989Date of Patent: April 3, 1990Assignee: Idemitsu Kosan Co., Ltd.Inventors: Shunji Uchida, Kazuharu Morita, Kenji Hashimoto
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Patent number: 4910119Abstract: New polymers comprising repeat units represented by the formula ##STR1## where R is a hydrogen or a halogen atom, a cyanide group or an alkyl group,R1, R2 and R3 are identical or different, and each denotes a hydrogen or a halogen atom, an alkyl group, an alkoxy group or an alkoxycarbonyl group,R4 is a hydrogen atom or a divalent radical,A denotes the atoms required for completing a mononuclear or dinuclear aromatic ring system andm is 2 or 3,are used as binders in positive-working, radiation-sensitive recording materials.Type: GrantFiled: September 15, 1988Date of Patent: March 20, 1990Assignee: Hoechst AktiengesellschaftInventors: Arnold Schneller, Juergen Sander
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Patent number: 4894263Abstract: The invention relates to polymeric materials usable in non linear optics. The structure of the material of the invention includes a skeleton to which side chains are attached, the material resulting from the association of a first and a second monomer, the first monomer including a mesomorphogenic group connected to the skeleton by a spacer, the second monomer including a group capable of generating the second harmonic of an electromagnetic wave and also being connected to the skeleton by a spacer.Type: GrantFiled: October 24, 1988Date of Patent: January 16, 1990Assignee: Thomson-CSFInventors: Jean C. Dubois, Gilles Ravaux, Pierre Le Barny
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Patent number: 4886843Abstract: The compositions of this invention posses both calcium hydroxide cement characteristics and light cure characteristics and hence strong bonds are likely to form with both the tooth and conventional filling materials. There is less likelihood that a filling may fall out of a cavity.The present invention provides a two component composition which comprises a first component comprising an ethylenically polymerizable compound which contains both a salicylate group and at least one acrylate, alkacrylate, acrylamide or alkacrylamide group and second component comprising calcium hydroxide or a suitable precursor to calcium hydroxide.Type: GrantFiled: January 25, 1988Date of Patent: December 12, 1989Assignee: Imperial Chemical Industries PlcInventor: Ian G. Walton
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Patent number: 4880487Abstract: A hot melt adhesive composition which is especially useful for bonding polyamide article to surfaces, particularly polyamide surfaces. The composition contains an ethylene-vinyl ester copolymer or a polyamide polymer, and additionally contains a poly(p-hydroxystyrene) homopolymer or a copolymer of poly(p-hydroxystyrene) with a C.sub.1 to C.sub.4 alkyl acrylate.Type: GrantFiled: June 24, 1988Date of Patent: November 14, 1989Assignee: Hoechst Celanese CorporationInventors: Michael T. Sheehan, Bakulesh N. Shah
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Patent number: 4873284Abstract: Bismaleimide resion systems containing a bismaleimide and a multinuclear alkenyl and/or alkynyl arene as comonomers have improved toughness while maintaining high glass transition temperatures.Type: GrantFiled: January 20, 1988Date of Patent: October 10, 1989Assignee: BASF AktiengesellschaftInventors: Peter Ittemann, Philipp Eisenbarth
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Patent number: 4869994Abstract: Negative photoresist compositions are made from copolymers of 4-hydroxystyrene and dialkyl muconates, alkyl sorbates, alkadiene monomers or allyl esters of ethylenically unsaturated acids plus a photosensitizer.Such compositions are useful in photolithographic and photomasking operations in fabricating microelectronic devices, printed circuits, semiconductors, printing plates, dies and the like.Type: GrantFiled: January 25, 1988Date of Patent: September 26, 1989Assignee: Hoechst Celanese Corp.Inventors: Balaram Gupta, Palaiyur Kalyanaraman
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Patent number: 4855374Abstract: According to the invention, there are provided an optical resin and a process for preparing such a resin. The optical resin is obtained by polymerizing a feed monomer comprising at least a diester of dicarboxylic acid represented by the general formula (1) of: ##STR1## wherein R.sub.1 and R.sub.2 each represent the same or different groups and stand for an alkyl or alkenyl group having 1 to 12 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms or an ester residue having at least one aromatic ring.Type: GrantFiled: June 22, 1988Date of Patent: August 8, 1989Assignee: Nippon Oil and Fats Co., Ltd.Inventors: Yoshishige Murata, Yasumi Koinuma, Naoyuki Amaya, Takayuki Otsu, Masafumi Nisimura
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Patent number: 4855375Abstract: Thermosetting resins which are essentially vinylbenzyl end-capped ethers of the oligomeric condensation products of certain dihydric phenols and formaldehyde are readily polymerized to give an extensively cross-linked polymer particularly useful in printed circuit boards and similar laminates. Effective cost reduction may be enjoyed by replacing up to 50% of the vinylbenzyl moieties by other groups, such as alkyl and benzyl groups, without destroying the usefulness of the resulting thermosetting resins. The vinylbenzyl ether product from bisphenol-A is especially recommended.Type: GrantFiled: November 28, 1988Date of Patent: August 8, 1989Assignee: Allied-Signal Inc.Inventors: Joseph J. Zupancic, Andrew M. Zweig, James A. Wrezel
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Patent number: 4853478Abstract: This invention is directed to the preparation of polymerizable monomers that are prepared from 1-(1-isocyanato-1-methylethyl)-3-(1-methylethenyl) benzene (m-TMI) and 1-(1-isocyanato-1-methylethyl)-4-(1-methylethenyl) benzene (p-TMI). The monomers prepared from m- and p-TMI can contain numerous chemical moieties, and when polymerized, produce polymers that have chemically bonded to the polymeric backbone the functional moiety. More specifically, these TMI derived monomers may contain chain breaking antioxidant moieties, peroxide decomposing antioxidant moieties, ultraviolet stabilizing moieties, triplet quenching moieties, and other chemical moieties that are useful in polymers.Type: GrantFiled: February 18, 1987Date of Patent: August 1, 1989Assignee: The Goodyear Tire & Rubber CompanyInventors: Howard A. Colvin, Kirkwood S. Cottman, Dane K. Parker
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Patent number: 4844835Abstract: A ferroelectric liquid crystal polymer comprising the recurring units represented by the following general formula: ##STR1## in which k is an integer of from 1 to 30, R.sub.1 is ##STR2## R.sub.2 is --COOR.sub.3, --OCOR.sub.3, --OR.sub.3, or --R.sub.3, in which R.sub.3 is ##STR3## R.sub.4 is --CH.sub.3 or Cl, m is 0 or an integer of from 1 to 10,n is 0 or an integer of from 1 to 10, providing that n is not 0, when R.sub.4 is --CH.sub.3.The ferroelectric liquid crystal polymer of the present invention not only exhibits a ferroelectricity even at temperatures in the vicinity of a room temperature, but also has so fast response speed to the external factors as to be able to display motion pictures, and may be advantageously used as display elements for large size screens and curved screens.Type: GrantFiled: December 22, 1986Date of Patent: July 4, 1989Assignee: Idenitsu Kosan Co., Ltd.Inventors: Shunji Uchida, Kazuharu Morita, Kenji Hashimoto
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Patent number: 4833211Abstract: Solid polymeric stabilizer compound containing the hydroxybenzophenone function, having the general formula (I): ##STR1## wherein: m=from 0.01 to 0.99 (preferably from 0.1 to 0.6);l=from 0.99 to 0.01 (preferably from 0.9 to 0.4):m+l=1;R=H, --OH, --OR" (R"+(C.sub.1 -C.sub.20)-alkyl; aryl, alkylaryl cycloalkyl). halogen, (C.sub.1 -C.sub.20)-alkyl, cycloalkyl;R'=H, (C.sub.1 -C.sub.20)-alkyl, cycloalkyl.Also the process for preparing said solid polymeric stabilizers and the stabilized polymeric compositions comprising at least an organic polymer and a stabilizing amount of said solid polymeric stabilizers are disclosed.Type: GrantFiled: February 27, 1987Date of Patent: May 23, 1989Assignees: Eniricherche S.p.A., Enichem Sintesi S.p.A.Inventors: Arnaldo Roggero, Mario Clerici, Guglielmo Bertolini
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Patent number: 4824892Abstract: Benzophenone derivatives having at least one hydroxyl group in the ortho-position relative to the carbonyl group are used for stabilizing numerous substrates against the action of UV light. 1,3-bis-(4-Benzoyl-3-hydroxyphenoxy)-2-propanol is a photo-absorber containing two benzophenone groups. Particularly suitable stabilizers are esters of this substituted propanol with unsaturated carboxylic acids, for example esters of acrylic acid and methacrylic acid. These compounds are prepared by esterifying the substituted propanol with an unsaturated acid or by esterifying the substituted propanol with a saturated acid containing a reactive methylene group and subjecting the product to subsequent condensation with a keto compound. They can be polymerized and are suitable for the preparation of homopolymers and copolymers.Type: GrantFiled: December 15, 1987Date of Patent: April 25, 1989Assignee: Riedel-de Haen AktiengesellschaftInventors: Kurt Eiglmeier, Joachim Schulz
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Patent number: 4814425Abstract: Novel alternate copolymers consisting of isopentenyl compounds having a specific structure and certain types of unsaturated compounds are provided.Type: GrantFiled: July 28, 1988Date of Patent: March 21, 1989Assignee: Kuraray Co., Ltd.Inventors: Sunao Kyo, Katsumi Omura, Akira Mochizuki
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Patent number: 4812548Abstract: A thermotropic polymer, having an optically anisotropic phase, comprises recurring units of the formula (1) ##STR1## wherein R is a substantially linear organic substituent having a bulkiness factor greater than about 4 .ANG., and wherein X is a direct bond, --O--CH.sub.2).sub.n (n being an integer of 1 to 8) or --OCH.sub.2 CH.sub.2).sub.m (m=1, 2 or 3). The thermotropic polymer has a molecular weight distribution (Mw/Mn) of less than about 1.4.Type: GrantFiled: March 31, 1988Date of Patent: March 14, 1989Inventors: Toshihiro Sagane, Robert W. Lenz
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Patent number: 4791176Abstract: The invention relates to new copolymers of alkenyl phenol or alkenyl phenol ether in combination with alkenyl silanes. These copolymers are useful positive photoresists.Type: GrantFiled: March 10, 1988Date of Patent: December 13, 1988Assignee: Siemens AktiengesellschaftInventors: Siegfried Birkle, Recai Sezi, Hans-Dieter Feucht
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Patent number: 4786700Abstract: Homogeneous thermosetting copolymers comprising a mixture of styrene-terminated tetrakisphenols and compounds containing at least one pendant vinyl group as exemplified by styrene-terminated tetrakisphenol ethane and styrene-terminated bisphenol A will possess desirable characteristics such as low dielectric constants and high glass transition temperatures. These polymers may be utilized as a component in laminates or circuit boards which are employed in relatively complicated pieces of electronic equipment.Type: GrantFiled: December 30, 1986Date of Patent: November 22, 1988Assignee: Allied-Signal, Inc.Inventors: Joseph J. Zupancic, Andrew M. Zweig, James A. Wrezel
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Patent number: 4778866Abstract: An ethylene copolymer comprising an ethylene unit and an ester unit selected from ethylenically .alpha.,.beta.-unsaturated acid esters represented by the formula (I) or (II): ##STR1## wherein R.sup.1 represents a hydrogen atom or a methyl group; and R.sup.2 represents a halogenated alkyl group having from 1 to 15 carbon atoms; ##STR2## wherein R.sup.3 represents a hydrogen atom or a methyl group; and n represents 0 or 1,wherein said ester unit is present in a total amount of from 0.001 to 10 mol %. The copolymer has excellent dielectric breakdown characteristics, such as electricity treeing property, water treeing property, etc., and is useful as an insulating material for high-voltage cables.Type: GrantFiled: July 7, 1986Date of Patent: October 18, 1988Assignee: Mitsubishi Petrochemical Co., Ltd.Inventors: Takeo Shimada, Iwao Ishino, Noriyuki Okada, Tsutomu Isaka, Akiyoshi Oonishi, Masaki Saito, Shuhei Doi
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Patent number: 4769448Abstract: An electrically conductive liquid crystalline substance represented by the general formula L-S.sub.1 -C.sub.T or L-C.sub.T, wherein L is a residue of a liquid crystalline substance, S.sub.1 is an atom or atomic grouping which becomes a spacer and C.sub.T is a charge-transfer complex, is disclosed. An electrically conductive liquid crystalline polymer having an electrically conductive liquid crystalline substance portion in its side chain is also provided. These electrically conductive liquid crystalline materials are useful in the conventional applications of liquid crystals and in other applications which utilize their electrical conductivity.Type: GrantFiled: December 2, 1986Date of Patent: September 6, 1988Assignee: Showa Denko Kabushiki KaishaInventors: Alan J. Heeger, Haruo Yoshida, Kazumi Naito, Yukio Kobayashi
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Patent number: 4757129Abstract: (Allylic carbonate)-functional compounds containing three phenylene groups are useful for forming polymers.Type: GrantFiled: August 25, 1986Date of Patent: July 12, 1988Assignee: PPG Industries, Inc.Inventor: Stephanie J. Oates
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Patent number: 4755575Abstract: Described herein is an improved process for rapidly fabricating fiber reinforced thermoset resin articles comprising: (a) providing in a heatable matched metal die mold a bonded web of one or more fibers with a melting point or a glass transition temperature above about 130.degree. C., (b) providing in an accumulator zone a liquid body of a thermosettable organic material having a viscosity determined at 120.degree. C.Type: GrantFiled: July 25, 1986Date of Patent: July 5, 1988Assignee: Union Carbide CorporationInventors: Linda A. Domeier, Richard G. Angell, Jr.
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Patent number: 4745166Abstract: Heat-curable mixtures comprising(a) 10-90% by weight of at least one compound of formula I ##STR1## (b) 90-10% by weight of at least one compound of formula II ##STR2## and, based on the sum of (a)+(b), (c) 0-30% by weight of at least one compound which is able to react with component (b),in which formulae above n, m, R, R', R.sub.1, R.sub.2 and R.sub.3 are as define in claim 1, are suitable for the preparation of moulded articles such as prepregs and composites, coatings and bonds.Type: GrantFiled: March 16, 1987Date of Patent: May 17, 1988Assignee: Ciba-Geigy CorporationInventors: Alfred Renner, Sameer H. Eldin
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Patent number: 4737559Abstract: A pressure-sensitive adhesive is provided which is a copolymer of an acrylate monomer which contributes to the visco-elastic properties of the copolymer and a copolymerizable mono-ethylenically unsaturated aromatic ketone comonomer free of ortho-aromatic hydroxyl groups by means of which the copolymer can be crosslinked upon exposure to ultraviolet radiation such that the amount of crosslinking comonomer and the degree of polymerization of the copolymer are controlled to obtain a creep compliance value of at least about 1.2.times.10.sup.-5 cm.sup.2 /dyne, the adhesive exhibits an enhanced level of initial adhesion when applied to skin but resists objectionable adhesion build-up over time. A preferred crosslinking ethylenically unsaturated hydroxyl-free aromatic ketone comonomer is p-acryloxybenzophenone.Type: GrantFiled: May 19, 1986Date of Patent: April 12, 1988Assignee: Minnesota Mining and Manufacturing Co.Inventors: James N. Kellen, Charles W. Taylor
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Patent number: 4728708Abstract: Thermoset polymers of styrene terminated tetrakis phenols may be prepared from resins which possess the generic formula ##STR1## in which R is selected from the group consisting of alkyl, cycloalkyl, alkaryl and substituted alkaryl radicals and X is independently selected from the group consisting of hydrogen and halogen atoms. These polymers will be utilized as a component in laminates on circuit boards which are employed in relatively complicated pieces of electronic equipment.Type: GrantFiled: December 29, 1986Date of Patent: March 1, 1988Assignee: Allied CorporationInventors: Joseph J. Zupancic, Andrew M. Zweig, James A. Wrezel
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Patent number: 4713432Abstract: Compositions useful as adhesives, sealants, laminating resins and coatings comprise(a) an epoxide resin(b) a nitrogen-containing latent curing agent for this resin, such as dicyandiamide or isophthalic acid dihydrazide and(c) as accelerator for the cure, and dispersed as a powder in (a) and (b), a solid solution of a nitrogen base having a boiling point above 130.degree. C. and a polymer of an unsaturated phenol.Typical nitrogen bases used in (c) include benzyldimethylamine, 2-methylaminoethanol, isophorone diamine triethylene tetramine, and 2-methylimidazole. Typical polymeric phenols include poly(p-vinylphenol).Type: GrantFiled: January 12, 1987Date of Patent: December 15, 1987Assignee: Ciba-Geigy CorporationInventors: Madan M. Bagga, Christopher H. Bull
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Patent number: 4704440Abstract: Water treatment, e.g. antiscaling, polymer compositions are marked or labelled with activated groups which are attached to the polymer chain backbone by carbon-carbon bonds. These activated groups are subjected to color forming reactions, e.g. by reaction with a diazonium aromatic compound, thus enabling the polymers to be detected at very low concentrations in water.Type: GrantFiled: May 23, 1986Date of Patent: November 3, 1987Assignee: Bevaloid LimitedInventors: John Goulding, Derek Clark
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Patent number: 4698171Abstract: Flocculating agents for the selective flocculation of ultrafine granulometry titanium and iron ores suspended in water, said agents being made up of polymeric or copolymeric compounds containing as the monomeric units the monomers of formula I ##STR1## wherein R.sup.1 and R.sup.2, which can be the same or different, represent a --O--CHR.sup.5 --O--bridge, or two hydroxyl groups which can also be in the form of their ether or ester derivatives, and in which formula one of the symbols R.sup.3, R.sup.4 or R.sup.5 corresponds to an atomic group containing, at a position variously spaced from the substitution site, a polymerizable system which is preferably an olefinic system activated with respect to polymerization reactions, whereas the other symbols, which can be the same or different, can be hydrogen atoms or alkyl, aryl, hydroxyl, alkoxyl, hydroxyalkyl, alkoxyalkyl, haloakyl, carbonyl, carboxyl, ester, amido, nitrilo, or sulfonic groups, or halogen atoms or nitro groups.Type: GrantFiled: January 13, 1986Date of Patent: October 6, 1987Assignee: Consiglio Nazionale Delle RicercheInventors: Vincenzo Bertini, Anna Marabini, Angela De Munno, Maria Barbaro, Marco Pocci
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Patent number: 4696990Abstract: A photocrosslinkable liquid crystalline polymer comprising a vinyl backbone having from 60 to 100 mole percent of recurring pendant groups comprising an alkyl or alkoxy light-sensitive cinnamate component connected to the vinyl backbone through (a) a component which provides stiffness and rod-like character to the cinnamate component and (b) a spacer group having from 7 to 14 atoms.Type: GrantFiled: March 31, 1986Date of Patent: September 29, 1987Assignee: Eastman Kodak CompanyInventors: John M. Noonan, Anthony F. Caccamo
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Patent number: 4690995Abstract: Copolymers comprising 0.10 to 50 parts by weight of hindered phenol antioxidant monomer and at least 10 to 60 parts by weight of at least one unsaturated carboxylic acid monomer are prepared, preferably in emulsion polymerization systems.Type: GrantFiled: June 6, 1985Date of Patent: September 1, 1987Assignee: The Dow Chemical CompanyInventors: William H. Keskey, Mark R. Johnson
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Patent number: 4666974Abstract: An oxidation resistant thickening composition of matter comprising a liquid emulsion copolymer comprising about 0.10 to 50 parts by weight of at least one antioxidant monomer and at least 20 parts by weight of at least one unsaturated carboxylic acid monomer is prepared and used.Type: GrantFiled: June 6, 1985Date of Patent: May 19, 1987Assignee: The Dow Chemical CompanyInventors: William H. Keskey, Richard A. Willency
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Patent number: 4661576Abstract: The invention concerns a family of thermotropic polymers of the mesogenic the lateral group of which have at least one mesomorphous phase and obtained from a monomer having the general formula: ##STR1## in which R.sub.1 .dbd.CH.sub.3, Cl or H and 2.ltoreq.n.ltoreq.11.Type: GrantFiled: November 12, 1985Date of Patent: April 28, 1987Assignee: Thomson-CSFInventors: Guy Decobert, Jean C. Dubois, Francoise Soyer
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Patent number: 4658001Abstract: A random copolymer comprising specific groups represented by the general formula: ##STR1## and specific peroxycarbonate structural units represented by the general formula: ##STR2## is produced by a method which comprises causing a compound of the formula: ##STR3## to react with a compound of the formula: ##STR4##Type: GrantFiled: October 4, 1985Date of Patent: April 14, 1987Assignee: Nippon Oils & Fats Co., Ltd.Inventors: Kenji Kato, Yuji Okada, Kazuyoshi Aoshima
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Patent number: 4640849Abstract: Polyfunctional cationically polymerizable styryloxy compounds of the formula ##STR1## where R.sup.1 is H or methyl; R.sup.2 is hydrocarbyl, hydrocarbyl interrupted by ether oxygen atoms, or halo substituted hydrocarbyl; R.sup.3 is H, lower alkyl, or alkoxy; G is any multivalent organic or inorganic radical free of amino or aliphatic thiol groups; and n is an integer of two or more.Type: GrantFiled: January 31, 1986Date of Patent: February 3, 1987Assignee: Loctite (Ireland) LimitedInventors: John G. Woods, John M. Rooney
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Patent number: 4636458Abstract: Homopolymers of para-methylstyrene and copolymers thereof with monomers such as methyl methacrylate, which polymers exhibit very low water absorption in combination with good optical and mechanical properties and are useful for making optically readable data storage disks.Type: GrantFiled: December 2, 1985Date of Patent: January 13, 1987Assignee: Rohm GmbHInventors: Franz Wenzel, Peter J. Arndt, Werner Siol
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Patent number: 4629755Abstract: There are provided a radical polymerizing composition giving a cured resin having excellent elasticity which comprises a mixture of two or more kinds of monomethacrylic acid esters having specific structure at specific mixing ratio and organic peroxide, and more particularly an anaerobic liquid gasket having excellent sealing properties, pressure resistance and good storage stability which comprises these polymerizing composition, filler, anaerobic curing accelerator and stabilizer.Type: GrantFiled: April 4, 1986Date of Patent: December 16, 1986Assignee: Okura Kogyo Kabushiki KaishaInventors: Kunio Kanaoka, Takanori Okamoto, Hideaki Matsuda
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Patent number: 4622376Abstract: Pourable, polymerizable compositions comprising aromatic-containing poly(allyl carbonate)-functional material, styrenic material, and monomer having three or more allyl, methallyl, acrylyl and/or methacrylyl groups is free radically polymerized to produce polymerizates having high refractive index, high hardness, and low yellowness. The polymerizates are especially useful in the form of ophthalmic lenses.Type: GrantFiled: June 27, 1985Date of Patent: November 11, 1986Assignee: PPG Industries, Inc.Inventors: Michael S. Misura, Richard A. Schwarz, Stephanie J. Oates
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Patent number: 4617194Abstract: Coating compositions are made from a blend of an acrylic or methacrylic ester of an aliphatic polyol and an acrylic or methacrylic ester of a polyglycidyl ether of a bisphenol A-formaldehyde condensate. Such coating compositions, when cured by radiation, are useful as abrasion resistant coatings for plastics.Type: GrantFiled: September 3, 1985Date of Patent: October 14, 1986Assignee: Celanese CorporationInventors: Bruce D. Scott, James W. Watkins
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Patent number: 4608400Abstract: A novel (meth)acrylate represented by the general formula [I]: ##STR1## wherein R.sub.1 stands for a hydrogen atom or an alkyl group having 1 to 12 carbon atoms; R.sub.2 and R.sub.3 each stand for a hydrogen atom or a methyl group; the mean value of m is 1 to 10 and the mean value of n is 1 to 10 and a resin composition comprising the same.Type: GrantFiled: July 8, 1985Date of Patent: August 26, 1986Assignee: Nippon Kayaku Kabushiki KaishaInventors: Minoru Yokoshima, Tetsuo Ohkubo, Masayuki Kiyomoto
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Patent number: 4608426Abstract: A novel bis-imide matrix resin composition comprising (i) 40 to 95 percent by weight of ethyleneically unsaturated bis-imides, preferably a low melting mixture of a major portion of maleimides of aromatic amines such as toluene diamine and methylene dianiline with a minor portion of maleimide of an aliphatic amine such as trimethyl hexamethylene diamine, (ii) 5 percent to 60 percent by weight of a heatactivatible cross-linking agent combination for gelling the bis-imides, said combination comprising (1) an arylene polyamine and (2) an alkenylphenol or alkenylphenol ether, and, as a polymerization catalyst therefor, (iii) an imidazole compound. The resin composition is useful as a matrix resin for high performance, fiber reinforced composites, having low shrinkage, good thermal stability and moisture resistance and excellent impact strength.Type: GrantFiled: January 29, 1985Date of Patent: August 26, 1986Assignee: American Cyanamid CompanyInventor: Bruce A. Stern
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Patent number: 4602075Abstract: A monomeric mixture for a cured polymeric material used as organic glass includes an aromatic di(meth)allyl carbonate (I), an aliphatic di(meth)allyl carbonate (II) and di(meth)allyl carbonate (III) having aromatic and aliphatic moieties. The amount of the di(meth)allyl carbonate of formula (III) is 0.1 to 10 parts by weight per 10 parts by weight of the aliphatic di(meth)allyl carbonate of formula (II). The monomeric mixture retains its uniform state without phase separation during long-term storage and gives a cured polymeric material having excellent transparency.Type: GrantFiled: November 13, 1984Date of Patent: July 22, 1986Assignee: Tokuyama Soda Kabushiki KaishaInventors: Yasuji Kida, Kaoru Miura, Ikumi Kawaguchi
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Patent number: 4595736Abstract: This invention relates to a water soluble polymer and method for its preparation. The water soluble polymer exhibits superior thermal stability characteristics when used as an additive in aqueous drilling fluids. The polymer consists of a major portion of a catechol based monomer and a dicarboxylic acid. Other monomers and materials are added to enhance the functional characteristics of the drilling fluid additive. The method of this invention includes the mixing of monomers, polymerization of that mixture and optionally the steps of hydrolysis and sulfonation.Type: GrantFiled: December 28, 1984Date of Patent: June 17, 1986Assignee: Dresser Industries, Inc.Inventor: Arvind D. Patel
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Patent number: 4579911Abstract: There are disclosed polymers which have nonionic surfactant moieties pendant to the polymeric backbone which exhibit activated sulfur vulcanization, a process for their preparation, and mixtures of polymeric cure activators and elastomers.Type: GrantFiled: June 3, 1985Date of Patent: April 1, 1986Assignee: The Goodyear Tire & Rubber CompanyInventors: Richard M. D'Sidocky, Kirkwood S. Cottman, Joseph F. Geiser, Paul H. Sandstrom, Robert A. Smith
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Patent number: 4575544Abstract: A curable composition of a vinyl ether resin and at least one ferricenium salt of the formula: ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are the same or different H or alkyl groups or a linkage to a polymer backbone; M is a metal or metalloid; X is a halide; and n is an integer equal to 1 plus the valency of M.Type: GrantFiled: April 16, 1984Date of Patent: March 11, 1986Assignee: Loctite (Ireland) Ltd.Inventors: John M. Rooney, Paul Conway
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Patent number: 4569977Abstract: Polymerizable acrylic monomers, and anaerobic adhesives which contain such monomers, wherein the acrylic monomers contain internal chain unsaturation in addition to terminal acrylic unsaturation.Type: GrantFiled: April 19, 1985Date of Patent: February 11, 1986Assignee: Eschem Inc.Inventor: Gerhardt P. Werber
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Patent number: 4544727Abstract: A copolymer consisting of 30 to 65 mole % of structural units of the formula ##STR1## 1 to 55 mole % of structural units of the formula ##STR2## and 10 to 60 mole % of structural units of the formula ##STR3## and having a number average molecular weight of 500 to 200,000.Type: GrantFiled: July 30, 1984Date of Patent: October 1, 1985Assignee: Wakabayashi Patent AgencyInventors: Kenji Ema, Jun Saito, Takatoshi Mitsuishi, Shuhei Ikado
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Patent number: 4543397Abstract: Polyfunctional cationically polymerizable styryloxy compound of the formula ##STR1## where R.sup.1 and R.sup.2 are H, or one of R.sup.1 and R.sup.2 are H and the other is methyl; R.sup.3 and R.sup.4 are H, lower alkyl, or alkoxy if R.sup.2 is not methyl; R.sup.5 is a divalent hydrocarbon radical; G is any multivalent organic or inorganic radical free of amino, aliphatic hydroxyl, aliphatic thiol or other groups which interfere with cationic polymerization; and n is an integer of two or more.Type: GrantFiled: December 4, 1984Date of Patent: September 24, 1985Assignee: Loctite (Ireland) Ltd.Inventors: John Woods, John M. Rooney, Stephen J. Harris
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Patent number: 4536267Abstract: There are provided acrylic plastic lenses having a wide range of refractive indices as well as excellent physical and optical properties by polymerization of specific acrylic monomers in the presence of a photopolymerization initiator and a thermal polymerization catalyst.Type: GrantFiled: April 1, 1983Date of Patent: August 20, 1985Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Akio Ito, Shunsuke Matsuda, Yoshinobu Murakami, Tooru Tamura
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Patent number: 4533445Abstract: A U.V. curable coating composition useful for electronics manufacture comprising an acrylated or methacrylated oligomer and a mixture of a multifunctional and monofunctional monomer. When further combined with an elongated filler, the U.V. curable composition is suitable for use as a permanent solder mask that adheres to metals conventionally used in electronics manufacture following wave soldering.Type: GrantFiled: July 6, 1983Date of Patent: August 6, 1985Assignee: Shipley Company Inc.Inventor: Alfred P. Orio