Patents Assigned to Sartomer Company
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Patent number: 6306923Abstract: These compositions comprise at least one compound (A) and at least one compound (B) containing electron enriched or depleted olefinic double bonds, respectively.Type: GrantFiled: September 12, 1997Date of Patent: October 23, 2001Assignee: Sartomer Company, Inc.Inventors: Phillippe Thepot, Henri Strub
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Patent number: 6271339Abstract: These prepolymers having maleimide functions (f) consist in the reaction products of at least one maleic anhydride represented by formula (I); of at least one compound (II) having at least one —NH2 function and at least another function F selected from the group consisting of —OH, —NH2, —NH—, —COOH, —COOR3 or —OOCR3; of at least one compound (III) capable of forming the chain of the prepolymers by polycondensation and/or polyaddition, said compound(s) (II) having first reacted with said maleic anhydride(s) (I) in order to open the maleic anhydride rings with formation of maleamic acid functions (f′), said maleamic acid functions having then been at least partially closed again under the action of heat into maleimides N-substituted by groups functionalized by a function F, the chain of said prepolymers having been formed by polycondensation and/or polyaddition of the N-substituted maleimide formed bearing the function F; of compound(s) (III) of uncyclized pType: GrantFiled: September 12, 1997Date of Patent: August 7, 2001Assignee: Sartomer Company, Inc.Inventors: Phillippe Thepot, Henri Strub
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Patent number: 6030703Abstract: Composition suitable for free radical, radiation curable coating comprising at least one polyester having unsaturated backbone and at least one compound having two to six propenyl ether groups, and optionally, a free radical photoinitiator. The equivalent ratio of propenyl ether groups to maleimide, maleate and/or fumarate groups in the polyester is preferably about 5:1 to about 1:5.The process for curing the composition includes exposing it to ionizing radiation and/or ultraviolet light. The resultant cured coatings and coated articles are similar in performance to their vinyl ether analogues, but the propenyl ethers are easier to prepare than the vinyl ether analogues.Type: GrantFiled: August 13, 1997Date of Patent: February 29, 2000Assignee: Sartomer Company, Inc.Inventors: Mingxin Fan, Gary W. Ceska, James Horgan, Nicholas Trainer
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Patent number: 5789512Abstract: A process for epoxidizing unsaturated polymers comprising reacting an unsaturated polymer with hydrogen peroxide in the presence of (a) tungstic acid or its metal salts, (b) phosphoric acid or its metal salts, and (c) at least one phase transfer catalyst.Type: GrantFiled: December 23, 1996Date of Patent: August 4, 1998Assignee: Sartomer CompanyInventors: Mingxin Fan, Gary W. Ceska, James Horgan
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Patent number: 5776294Abstract: A method of providing curable elastomers crosslinked with the aid of metal salts of .alpha.,.beta.-ethylenically unsaturated carboxylic acids and, optionally an alkyl aminoalkyl phenol vulcanization inhibitor, having improved adhesive properties is provided. The method of the invention yields cured rubber articles with markedly improved adhesion to metals and synthetic fibers, curable and cured elastomers prepared by the method, and articles comprising at least one polar surface and an adhering cured elastomer, are also provided.Type: GrantFiled: June 12, 1997Date of Patent: July 7, 1998Assignee: Sartomer CompanyInventor: Walter R. Nagel
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Patent number: 5767181Abstract: Curable and cured elastomer compositions having approved mold release and methods for their preparation are provided. The elastomer compositions comprise an elastomer, a metal salt of an .alpha., .beta.-ethylenically unsaturated compound, an organic peroxide, and a fatty acid metal salt. The invention provides for improved mold release by the incorporation of the fatty acid metal salt into the elastomer composition, at high levels, without a loss in cured properties of the elastomer.Type: GrantFiled: December 11, 1996Date of Patent: June 16, 1998Assignee: Sartomer CompanyInventors: Walter R. Nagel, C. Richard Costin
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Patent number: 5767150Abstract: Compounds having the formula ##STR1## wherein X is selected from O, (CH.sub.2).sub.m O, S, (CH.sub.2).sub.m S, NH, (CH.sub.2).sub.m NH, COO.sup.-, (CH.sub.2).sub.m COO.sup.-, .sup.- OOC and .sup.- OOC (CH.sub.2).sub.m ;m is 1 to 6;n is 1 to 100;R.sub.1 is (C.sub.1 -C.sub.20) ester; andA is a saturated organic linking group selected from residues of polyol, polythiol, polyamine, and polyacid, are prepared by reacting compounds according to formula II ##STR2## with hydrogen peroxide in the presence of (a) tungstic acid or its metal salts, (b) phosphoric acid or its metal salts, and (c) at least one phase transfer catalyst.Type: GrantFiled: April 10, 1997Date of Patent: June 16, 1998Assignee: Sartomer CompanyInventors: Mingxin Fan, Gary W. Ceska, James Horgan, Henri Strub
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Patent number: 5763629Abstract: Compounds of the formula ##STR1## wherein R.sub.1 32 H, CH.sub.3 ;R.sub.2 =H, (C.sub.1 -C.sub.6)alkyl; andx=1-20; andprocess for preparing such compounds by reacting a compound of the formula ##STR2## with hydrogen peroxide in the presence of (a) tungstic acid or its metal salts, (b) phosphoric acid or its metal salts, and (c) at least one phase transfer catalyst.Type: GrantFiled: December 23, 1996Date of Patent: June 9, 1998Assignee: Sartomer CompanyInventors: Mingxin Fan, Gary W. Ceska, James Horgan, Thomas W. Hazell
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Patent number: 5739232Abstract: Curable and cured water based compositions having improved substrate adhesion, methods for their preparation and uses are provided. The coating and adhesive compositions comprise a water soluble compound, a metal salt of an .alpha., .beta.-ethylenically unsaturated compound, and a cure initiator. The compositions of the present invention are useful as substrate coating and adhesive compositions.Type: GrantFiled: August 1, 1995Date of Patent: April 14, 1998Assignee: Sartomer CompanyInventors: Thomas W. Hazell, Walter Nagel, C. Richard Costin, Gary W. Ceska
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Patent number: 5712339Abstract: An aqueous polymer dispersion containing polymer particles formed of at least two polymers, the polymer particles of the dispersion having a minimum film-forming temperature below 60.degree. C. and being formed of two different polymers namely polymer A having a glass transition temperature (T.sub.gA) of not more than 10.degree. C., and forming from 5 to 65% by weight of the total polymer; and polymer B having a glass transition temperature (T.sub.gB) of more than 25.degree. C., and forming from 5 to 65% by weight of the total polymer; together with a multifunctional material (C) present in an amount of from 5 to 70% by weight of the total polymer system.Type: GrantFiled: April 5, 1996Date of Patent: January 27, 1998Assignee: Sartomer CompanyInventors: Patrick Guerin, Paul Sutton, Emmanuelle Reynolds, Philip Cossar
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Patent number: 5696190Abstract: Curable and cured elastomer compositions, and methods for the preparation thereof, in which vulcanization is retarded by incorporating the acid salts of certain methyl substituted aminoalkyl phenols into the compositions to be vulcanized. The compositions include an elastomer, a scorch retarding effective amount of a phenolic scorch retarder acid salt, and a cure effective amount of a free radical generating compound.Type: GrantFiled: June 27, 1995Date of Patent: December 9, 1997Assignee: Sartomer CompanyInventors: Lester A. Brooks, C. Richard Costin, Walter R. Nagel
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Patent number: 5656703Abstract: A curable coating composition comprises a composition containing an epoxy resin and a poly(meth)arylate wherein an adhesive improving amount of a metal di(meth)acrylate such as zinc diacrylate and a polyamine curing agent is added.Type: GrantFiled: June 9, 1995Date of Patent: August 12, 1997Assignee: Sartomer CompanyInventors: C. Richard Costin, Gary W. Ceska, Michael A. Bailey
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Patent number: 5587433Abstract: A method for producing esters of hydroxy terminated polybutadiene, including the steps of: (a) providing an anhydride; (b) reacting a hydroxy terminated polybutadiene with the anhydride to form a carboxyl terminated polybutadiene derivative; (c) reacting the derivative with an epoxide. Also a curable composition, including: (a) an ester of hydroxy terminated polybutadiene; (b) a copolymerizable ethylenically unsaturated monomer; and (c) a drier.Type: GrantFiled: August 17, 1995Date of Patent: December 24, 1996Assignee: Sartomer Company, Inc.Inventor: Rudolph H. Boeckeler
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Patent number: 5565535Abstract: A method for improving the substrate adhesion properties of polymer concrete composition including a substantially non-aqueous slurry of (i) an aggregate component, (ii) a monomer binder component in an amount effective to bind the aggregate component, upon curing, into a polymer concrete, and (iii) a polymerization catalyst. The method involves adding a crosslinking-effective amount of a metal salt of an .alpha., .beta.-ethylenically unsaturated carboxylic acid to the polymer concrete.Type: GrantFiled: June 7, 1995Date of Patent: October 15, 1996Assignee: Sartomer Company, Inc.Inventors: C. Richard Costin, Michael A. Bailey, Walter R. Nagel
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Patent number: 5425997Abstract: Curable and cured compositions having improved substrate adhesion, a method of providing a coating composition with improved substrate adhesion, a method of adhering a coating composition to a substrate, a method of providing a substrate with an adherent cured coating or film, and substrates with coatings or films formed from a cured composition are provided, wherein the coating composition comprises a fatty acid modified alkyd resin, a metal salt of an .alpha., .beta.-ethylenically unsaturated carboxylic acid and, optionally, an initiator and/or metal salt drying agent.Type: GrantFiled: February 25, 1994Date of Patent: June 20, 1995Assignee: Sartomer Company, Inc.Inventors: C. Richard Costin, Gary W. Ceska, Michael A. Bailey
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Patent number: 5298562Abstract: Free radical-curable halogenated polyethylene polymer compositions, which are crosslinked with the aid of a crosslinking monomer selected from the group consisting of calcium diacrylate and calcium dimethacylate coagents and, optionally an alkyl aminoalkyl phenol vulcanization inhibitor, are provided. The compositions of the invention yield cured rubber articles with markedly improved tensile strength and scorch resistance. Processes for producing a cured rubber article from the disclosed free radical-curable elastomeric compositions and cured compositions prepared from such curable compositions are also provided.Type: GrantFiled: August 19, 1991Date of Patent: March 29, 1994Assignee: Sartomer Company, Inc.Inventors: Gary W. Ceska, C. Richard Costin, Thomas W. Hazell, Walter R. Nagel, Albert S. Tuccio
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Patent number: 5175248Abstract: The residual level of N-vinylcarbazole in polyvinylcarbazole has been reduced to an amount less than 25 ppm by treatment of a solution of the polyvinylcarbazole with a strong acid. The polymer can be recovered in pure form by precipitation of the polymer from solution with a non-solvent.Type: GrantFiled: June 4, 1990Date of Patent: December 29, 1992Assignee: Sartomer Company, Inc.Inventors: C. Richard Costin, Thomas W. Hazell, Gary W. Ceska, James P. Horgan
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Patent number: 5137952Abstract: Free radical-curable compositions comprising a plastisol component and a copolymer containing free anhydride functionality and, optionally, other reactive diluents are provided. In particular, curable compositions employing a plastisol, preferably a polyvinyl chloride-containing plastisol, and a low molecular weight crosslinking copolymer component having free anhydride functionality and which is a partial esterification product of a terminally ethylenically unsaturated compound and a polymerizable maleic anhydride are provided. The compositions of the invention yield improved adhesives, sealants, coatings, and insulators for a wide variety of substrates and may be employed in a variety of coatings and castings. Processes for preparing cured plastisol compositions from the disclosed free radical-curable compositions are also provided.Type: GrantFiled: September 26, 1991Date of Patent: August 11, 1992Assignee: Sartomer Company, Inc.Inventors: Henry C. Miller, Michael A. Bailey, David L. Weaver
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Patent number: 4997498Abstract: Thermoplastic elastomers made by copolymerizing macromolecular monomers with alkoxyalkyl acrylates serve as binders for solid propellants which binders have high burn rates and increased insensitivity over conventional binders. The preferred alkoxyalkyl acrylate is methoxyethyl acrylate.Type: GrantFiled: December 11, 1989Date of Patent: March 5, 1991Assignee: Sartomer Company, Inc.Inventors: Gary W. Ceska, C. Richard Costin, Thomas W. Hazell, Robert G. Leclerc
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Patent number: 4986940Abstract: Thermoplastic elastomers made by copolymerizing macromolecular monomers with alkoxyalkyl acrylates in the presence of energetic materials serve as solid propellants which have high burn rates and increased insensitivity over conventional propellants. The copolymers are prepared in situ by subjecting the mixture of monomers and energetic materials to electron beam radiation.Type: GrantFiled: November 6, 1989Date of Patent: January 22, 1991Assignee: Sartomer Company, Inc.Inventors: C. Richard Costin, Michael A. Bailey