U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Class 526/321 - Monomer containing at least two carboxylic acid ester groups


Subclass of Class 526 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the ester is derived from at least
No. of patents: 317
Last issue date: 02/26/2013


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NumberTitleIssue Date
4058656Free radical polymerization process employing substituted amino acetic acid derivatives
Initiating compounds having the following formula: ##STR1## wherein R1 in an substituted or unsubstituted aryl radical and wherein R2 is hydrogen or alkyl are useful in initiating polymerization reaction of ethylenically unsatur...
11/15/1977
4053503Process for the dimerization of heptadiene acid esters
A method for dimerizing heptadiene acid esters in the presence of a catalyst which is a metal of Group IA of the Periodic System or an alcoholate, hydride, amide, or tritylate thereof, or is an alcoholate, hydride, or amide of a metal of Group IIA of the ...
10/11/1977
4042645Process for producing thermosetting finishing powders
Solid copolymers are produced by copolymerizing a mixture of: (A) at least 30% by weight of a monomer having the formula: ##STR1## wherein R1 is H or CH3 and R2 is an alkyl radical containing from 1 to 14 carbon atoms...
08/16/1977
4040970Liquid developer for developing an electrostatic latent image
A liquid developer for developing an electrostatic latent image comprising an electrically insulating carrier liquid and a toner dispersed therein comprises a copolymer having a property of rendering the toner negatively chargeable....
08/09/1977
4031297Polymerization of monomers
A constant composition copolymer is automatically made by means of a self-regulating batch process by maintaining the polymerization system at a constant volume throughout the reaction by adding polymerizable monomer in such a manner as to maintain both t...
06/21/1977
4027081Polymeric compositions containing hydrogen bonding compound
Polymeric compositions containing a ##STR1## group are disclosed. An example of an improved vinyl chloride copolymer made in accordance with this invention has the following structural formula: ##STR2## A mixture suitable for use as an impr...
05/31/1977
4022960Polymers with high transparency and refractive index and process for production thereof
Disclosed are polymers of metal salts of itaconic acid monoester and copolymers of the said metal salts with vinyl monomer, having excellent optical properties such as high refractive index and transparency. The polymers and copolymers are obtained by irr...
05/10/1977
4014839Fire retardant polymeric additives
A fire retardant additive comprising particles of a polymer of: 1. at least one halogen-containing alpha, betaethylenically unsaturated monomer; 2. at least one bis(hydrocarbyl)vinyl phosphonate having the structure: ##STR1## wherein X is selected from th...
03/29/1977
4014836Fire retardant polymeric additives
A fire retardant additive comprising particles of a polymer of: 1. at least one halogen-containing alpha, beta-ethylenically unsaturated monomer; 2. at least one bis(hydrocarbyl)vinyl phosphonate having the structure: ##STR1## wherein X is selected from ...
03/29/1977
4014837Fire retardant polymeric additives
A fire retardant additive comprising particles of a polymer of: 1. at least one halogen-containing alpha, beta-ethylenically unsaturated monomer; 2. at least one bis(hydrocarbyl)vinyl phosphonate having the structure: ##STR1## wherein X is selected from t...
03/29/1977
4014838Fire retardant polymeric additives
A fire retardant additive comprising particles of a polymer of: 1. at least one halogen-containing alpha, betaethylenically unsaturated monomer; 2. at least one bis(hydrocarbyl)vinyl phosphonate having the structure: ##STR1## wherein X is selected from th...
03/29/1977
4013608Method of producing polymer solutions of polymers or copolymers of vinyl chloride series
A method of producing a polymer or copolymer solution of vinyl chloride series, wherein polymerization of 100 parts by weight of a monomer mixture of at least 50 weight percent of vinyl chloride and less than 50 weight percent of one or more monomers copo...
03/22/1977
4003961Linear copolymers of glycidol
Linear copolymers of glycidol, glycidyl esters of unsaturated fatty acids and, optionally, alkylene oxides, are made by the reaction of an unsaturated fatty acid with a polymer or copolymer of tert.-butyl glycidyl ether in the presence of an acid catalyst...
01/18/1977
4002669Hydroxy group containing diesters of acrylic acid
Polymerizable hydroxy-group-containing diesters of acrylic acids for dental material are prepared by reacting 3-(3,4-epoxycyclohexyl)-8,9-epoxy-2,4-dioxaspiro(5,5) undecane or a bis-epoxide of formula (A) ##STR1## or a bis-epoxide of formula (B)...
01/11/1977
4001348Unsaturated polyester resins containing additional accelerators
Polyester moulding and coating compositions based on polyester resins of: A. from 20 to 90% by weight based on the sum of components (A) and (B), of ଱,ଲ-ethylenically unsaturated polyesters, and B. from 80 to 10% by weight based on the sum of components...
01/04/1977
4000222Mixture of benzene-soluble and benzene-insoluble chloroprene polymers wherein the former polymer is prepared in the presence of a dialkoxyxanthogendisulphide
Dialkoxyxanthogendisulphides, their production by reacting an alcohol and carbondisulphide in the presence of alkali and subsequent oxidation, use of these dialkoxyxanthogendisulphides as molecular weight regulators in polymerization processes and a mixtu...
12/28/1976
3993684Monomeric compounds
Photosensitive homopolymers and substantially non-crosslinked copolymers containing the recurring unit: ##EQU1## R1 may be substituted or unsubstituted alkylene, aralkylene, alkoxyalkylene or aryloxyalkylene. R2 is a substituted...
11/23/1976
3987018Continuous process for the preparation of acrylonitrile polymers and copolymers
A continuous process for polymerizing acrylonitrile monomer or copolymerizing a mixture of acrylonitrile monomer and a further ethylenically unsaturated monomer copolymerizable therewith in an aqueous medium and in the presence of a catalytic redox system...
10/19/1976
3980731Polyester compositions with carbonyl-containing compounds
Unsaturated polyester compositions which can be readily cured without the formation of gas are disclosed. The compositions contain a carbonyl-containing compound of the formula ##EQU1## wherein R1 is hydrogen, branched or unbranched alkyl,...
09/14/1976
3979354Non-polluting, antifouling composition and method
Objects which are designed to be submersed or submerged are rendered antiling by using an organotin polymer wherein the tin is chemically combined in or bonded to the polymer. The polymer inhibits fouling of the exposed surface of the object while minimi...
09/07/1976
3974052Photopolymerizable compositions containing triketone/alcohol adducts as photosensitizers
A photopolymerizable composition comprising a polymerizable ethylenically unsaturated material and a photosensitizer, said photosensitizer being an addition product of an organic 1,2,3-triketone and an organic alcohol or organic mercaptan, said addition p...
08/10/1976
3974053Method of polymerizing ethylenically unsaturated materials by irradiation and composition for use therein
Photopolymerizable compositions consisting essentially of at least one polymerizable ethylenically unsaturated material and a photosensitive catalyst comprising A. from 0.5% to 5% by weight based on the ethylenically unsaturated material of at least one p...
08/10/1976
3972847Process for making cross-linking shaped articles from copolymers of vinyl chloride
Vinyl chloride copolymers of vinyl chloride and a comonomer of the formula ##EQU1## wherein Z contains an alkenyl group and X and Y are H or other substituents. The copolymers can be cross linked to form shaped articles of improved elongation and ten...
08/03/1976
3971765Anaerobically-curing adhesives
Contamination of anaerobically-curing adhesive compositions by minute traces of metals such as iron, either during manufacture or storage, can result in premature polymerization, the shelf life of the composition being severely shortened, or, at best, unp...
07/27/1976
3968306Plastic articles having improved surface characteristics
A plastic article having improved surface characteristics comprises a plastic body having adhered thereon a cross-linked film of a composition comprising (A) 10 to 90 parts by weight of a cross-linking unsaturated compound having a molecular weight of M a...
07/06/1976
3968135Chromium salt catalysts
This patent describes the catalytic promotion of the reaction of oxirane-containing compounds with carboxylic acid compounds at high, ambient, and low temperature. Specifically, this patent describes the method of reacting oxirane-containing compounds wit...
07/06/1976
3966689Polymers based on N-formyl-N'-acryloyl-methylenediamines
Linear addition polymers of a compound of the formula ##EQU1## wherein R1, R2 and R3 are hydrogen or alkyl having 1 to 5 carbon atoms, said polymers being thermally crosslinkable at temperatures below 100°C. to produ...
06/29/1976
3963689Polymeric materials
Polymeric materials of improved dyeability and other properties are provided which consist of polypropylene or polyester material and a small percentage of a nitrile which contains 20-75 carbon atoms and 2-4 nitrile groups in the molecule. Processes for p...
06/15/1976
3959398Alpha-methyl-p-bromo-styrene and method of preparation
Alpha-methyl-p-bromo-styrene prepared by the manipulative steps of brominating poly(଱-methyl-styrene) and subsequently depolymerizing the brominated polymer. The alpha-methyl-p-bromo-styrene has particular utility as a co-monomer for preparing copol...
05/25/1976
3957711Dispersion polymerization process using hydroxyalkyl acrylate as protective colloids
Aqueous dispersions of synthetic polymers have been made by polymerizing ethylenically unsaturated monomers in water in the presence of a protective colloid which is a polymer of a hydroxyalkyl acrylate or methacrylate. Such aqueous dispersions are useful...
05/18/1976
3954716Process for the preparation of polyesters
High molecular weight polyesters are prepared by reacting cyclic acetals or ketals with carboxylic acids or low molecular weight carboxyl terminated polyesters while avoiding the necessity of removing by-products of condensation such as water or alcohols....
05/04/1976
3954712Hot-curable mixtures based on epoxide resin
The subject of the present invention is a hot-curable resin mixture which contains a polyepoxide compound, a dicarboxylic acid and a polycarboxylic acid anhydride and which can be used as an impregnating and laminating resin and as an adhesive but above a...
05/04/1976
3953408Addition polymerizable polymeric compounds
Addition polymerizable polymeric compounds produced by esterification reaction or addition reaction of a copolymer having pendent carboxyl groups and about 0.03 to 1.0 equivalent, based upon the carboxyl groups of said copolymer, of an ethylenically unsat...
04/27/1976
3950312Vinyl chloride terpolymers soluble in aromatic compounds and method for their production
Vinyl chloride terpolymers soluble in aromatic compounds with a K-value of from 25 to 38, measured in cyclohexanone consisting of an emulsion polymerized monomer mixture of from 65% to 80% by weight of vinyl chloride, 15% to 27% by weight of a diester of malei...
04/13/1976
3948866Polymerization with the aid of macromolecule having both a monomer soluble portion and suspension soluble portion
A process for the suspension polymerization of ethylenically unsaturated monomers -- particularly for the preparation of water-soluble polymers -- wherein a liquid monomer phase is polymerized while suspended in a liquid organic suspending medium in the p...
04/06/1976
3935173Curable compositions
A low viscous and solvent-free curable composition comprising a polyester type oligo(meth)acrylate having a plurality of (meth)acryloyl groups, and a polyol poly(meth)acrylate....
01/27/1976
3933885Cinnamylideneacetic acid esters
A monomer unit represented by general formula (I) ##SPC1## wherein R1 is a hydrogen atom or a methyl group; R2 is a divalent group containing 2 to 10 carbon atoms; R3 is a hydrogen atom, a halogen atom (such as chlorine, b...
01/20/1976
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