Patents
Patents for C08F 12 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring (6,445)
02/1983
02/16/1983EP0072159A1 Aromatic quaternary ammonium compounds, polymers thereof, polymerisable compositions containing them and methods of making the monomers and polymers
02/16/1983EP0072158A1 Quaternary ammonium compounds containing surfactant anions, polymers thereof, polymerisable compositions containing them, methods of making the monomers and polymers and articles containing polymer
02/09/1983EP0071347A2 A process for sulfonation of aromatic-containing polymers
02/08/1983US4373031 Synthesis of anion exchange polymers employing ditertiary amines
02/08/1983CA1141090A1 Linear polydivinylbenzene and derivative thereof
02/01/1983US4371719 Curable mixtures based on maleimides and propenyl-substituted phenols, and the use thereof
02/01/1983US4371669 Polymers having improved water resistance and monomers for same
02/01/1983CA1140698A1 Anion exchange resins
01/1983
01/20/1983WO1983000153A1 Copolymer
01/05/1983EP0068298A1 Process for the preparation of styrene suspension polymers
01/04/1983US4367320 Process for suspension polymerization of styrenic monomers
01/04/1983CA1138890A1 Acid stable surfactant
12/1982
12/28/1982CA1138476A1 Curable mixtures based on maleimides and propenyl-substituted phenols, and the use thereof
12/14/1982US4363746 Composition of matter and method of preparing same, catalyst, method of producing the catalyst and polymerization process employing the catalyst
12/14/1982CA1137264A1 Spherical porous cross-linked copolymers of chloromethylstyrene and divinylbenzene and derivative thereof
12/07/1982US4362854 Poly(p-methylstyrene) with broad molecular weight distribution and process for preparation
11/1982
11/23/1982US4360628 Copolymer tackifying resins containing dicyclopentadine, vinyl aromatic hydrocarbon and a substituted benzene (halogen, lower alkyl, or hydroxyl) and adhesives containing these resins
11/16/1982US4359555 Salts formed from formamidines with polymers containing sulfonic acid groups
11/16/1982CA1135898A1 Polymers of methyl ethenyl benzene
11/10/1982EP0064343A1 Thermally stable crystal polymers of styrenic monomers
11/09/1982US4358546 Ion exchange resins
11/09/1982US4358388 Magnetic polymer latex and preparation process
10/1982
10/26/1982US4356003 Copolymers
10/13/1982EP0062106A1 Methods for production of copolymers with increased water-resistance and utilization thereof
10/06/1982EP0061890A1 A method for the suspension polymerization of styrenic monomers
10/05/1982US4352909 Process for the bromination of polystyrenes
10/05/1982CA1133171A1 Process for preparing styrenic resins
09/1982
09/28/1982US4351932 Bis-maleimide/divinyl aryl crosslinking agent resin system
09/22/1982EP0060472A2 A method for separating T cells from leukocytes
09/21/1982CA1132299A1 Contact lenses of high gas permeability
09/07/1982CA1131244A1 Radiation-curable monomers and polymers thereof
08/1982
08/31/1982US4347344 Oriented p-methyl styrene polymer
08/03/1982CA1129150A1 Process for the continuous mass polymerization of alkenyl-aromatic compounds
07/1982
07/07/1982EP0055507A1 Method for suspension polymerization of styrenic monomers
06/1982
06/30/1982EP0055132A1 Process for producing styrene polymer beads of preferred bead size
06/22/1982US4336361 Process of preparing linear polydivinylbenzene
06/22/1982CA1126439A1 Poly(hydroxy) telechelic styrene polymer process
06/22/1982CA1126433A1 Method for preparing a novel polymer
06/08/1982US4334057 Continuous process for recovering polymers from their latexes
06/08/1982US4333969 Emulsion polymerizing styrene monomer around styrene polymer beads, free radical catalyst
04/1982
04/27/1982US4327191 Preparation of anion exchange resins by bromination of vinyl aromatic polymers
04/27/1982US4326988 Organometallic compounds
04/27/1982US4326958 Permselective membrane
04/06/1982US4323662 Thermosetting resin compositions comprising bismaleimides and alkenylaniline derivatives
03/1982
03/31/1982EP0048540A2 Biaxially-oriented methylstyrene polymer films and method for their manufacture
03/31/1982EP0048269A1 Bis-maleimide resin and composites thereof
03/30/1982US4322489 Copolymeric mordants and photographic products and processes utilizing same
03/17/1982EP0047549A2 Process for the bromination of polystyrenes
03/09/1982US4319015 Used as separators in ion exchange resin filters
03/09/1982US4319014 Undaturated carboxylic acid copolymer with undaturated sulfonate comonomer modified by a mercaptan
02/1982
02/17/1982EP0045969A1 Catalyst and use of same for polymerizing olefins
02/09/1982US4315089 Co- and homo-solution polymerization of an aldehyde-substituted phenyl ester of an acrylic acid; moldings, coatings, adhesives; optics
01/1982
01/26/1982US4312940 For acid dyes; removable during alkaline processing
01/26/1982US4312725 Contact lenses of high gas permeability and method
01/20/1982EP0043906A2 Process for the preparation of penta-bromostyrene polymers and their use
01/19/1982US4311799 Novel basic cross-linked polymers
01/19/1982CA1116781A1 Neutron shielding material and a process for producing the same
01/05/1982US4309327 Polymeric resin from ethylenic amino, sulfonic monomers
01/05/1982CA1115732A1 Basic monomer, preparation thereof and basic polymer prepared therefrom
12/1981
12/29/1981US4308360 Process for obtaining narrow molecular weight distribution in vinyl aromatic mass polymerization system
12/22/1981CA1114997A1 Polyvinylbenzenesulfonic acids
12/15/1981US4306049 Polymers of methyl ethenyl benzene
12/09/1981EP0041357A1 Suspension polymerisation process for preparing polymer particles
12/01/1981US4303784 Production of polystyrene reflector beads
11/1981
11/18/1981EP0040124A1 Hydrophilic copolymers based on N-tris(hydroxy-methyl)methylacryl amide, process for their preparation, aqueous gel of these copolymers and their use as ion exchangers
10/1981
10/28/1981EP0038730A1 Latex of magnetic polymers and process for their preparation
10/20/1981CA1111163A1 Polymerisation of vinyl monomers
10/13/1981US4294921 Method of hardening gelatin
10/06/1981US4293687 Tetraalkylated biscyclohexylamine derivatives
10/01/1981WO1981002739A1 Bis-maleimide resin and composites thereof
09/1981
09/30/1981EP0036660A1 Method for producing an olefin polymerization catalyst, catalyst and polymerization process
09/29/1981US4292237 Polymeric ultraviolet light stabilizers containing hindered alkyl amines
09/08/1981US4288583 Molding materials
09/01/1981CA1108342A1 Thermoplastic acrylonitrile copolymers
07/1981
07/28/1981US4281207 Crosslinking polymers useful in relief images, photoresists, and lithographic plates
07/14/1981CA1104775A1 Anionic microporous resin of hypocholesterolemising action
07/08/1981EP0031635A1 Suspension polymerization of p-methylstyrene
07/07/1981US4277593 Novel polymers based on azido and silane monomers
07/01/1981EP0031121A1 Method, composition and kit for stabilizing radiolabeled compounds
07/01/1981EP0030994A1 Continuous process for recovering polymers from their latexes, and products obtained
06/1981
06/30/1981CA1104293A1 Epoxy resin composition
06/23/1981US4275229 Polymers having improved water resistance and monomers for same
06/23/1981US4275177 Prepolymerization and heat exchanging in final procedure
06/23/1981US4275174 Neutron shielding polymer composition and a process for producing the same
06/10/1981EP0029970A2 Copolymer useful as a surfactant
06/09/1981CA1102947A1 Biologically active copolymers
06/02/1981US4271281 Process for preparing styrenic polymer particles
05/1981
05/14/1981WO1981001287A1 Viologen derivatives and polymers thereof
04/1981
04/08/1981EP0026576A1 Permselective membrane
04/01/1981EP0026059A1 UV light resistant para-methylstyrene copolymer
03/1981
03/18/1981EP0025385A1 Preparation of anion-exchange resins by bromination of vinylaromatic polymers, and products obtained
03/18/1981EP0025159A2 Use of styrene polymers for the preparation of optical system
02/1981
02/24/1981CA1096550A1 Polymerization of styrene
02/03/1981US4248797 Reacting vinylbenzyl chloride /p-/ with methylamine
01/1981
01/28/1981EP0023061A1 Hydrocarbon resins, their preparation and their use in adhesives
01/13/1981US4245053 Macroreticular itaconic acid ion exchange resin and process for its preparation
01/07/1981EP0022088A1 Salts of sulphonic acid groups containing polymers and their use as pesticides
12/1980
12/30/1980US4242485 Packaging
12/23/1980US4241191 Expandable beads stabilized with a water soluble phosphate and an insoluble homopolymer
12/23/1980CA1092294A1 Suspension polymerization
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