Patents
Patents for C08F 226 - 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 a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen (4,485)
10/1990
10/24/1990EP0393899A2 Nitrogenous graft copolymers, hybrid copolymers of such graft copolymers with random nitrogenous copolymers, and methods for their preparation
10/18/1990WO1990012041A1 Precipitation polymerization of copolymers of a vinyl lactam and a polymerizable carboxylic acid in an aliphatic hydrocarbon solvent
10/10/1990EP0205451B1 Process for making copolymers of vinylpyrrolidone and maleic anhydride
10/07/1990CA2014022A1 Precipitation polymerization of copolymers of a vinyl lactam and a polymerizable carboxylic acid in an aliphatic hydrocarbon solvent
10/04/1990WO1990011253A1 Use of non-hydrolysed copolymers containing n-vinyl formamide units as flocculation and dehydrating agents
09/1990
09/26/1990EP0389420A1 Ethylenically unsaturated compounds containing 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidine moieties, and polymers, copolymers and stabilized compositions
09/25/1990US4959431 Lenses, multifunctional acrylic or vinyl monomer containing isocyanurate group
09/25/1990CA1274639A1 Hydrogel fundamental material
09/18/1990US4957977 Modified n-vinylformamide-(meth)acrylonitrile copolymer, paper strength increaser, papermaking drainage and retention aid
09/11/1990US4956430 Addition polymerization in solution for cosmetics and textiles
09/04/1990CA1273741A1 Water-soluble polymers and their use as building material auxiliaries
08/1990
08/29/1990EP0384125A1 Film-forming self-curing aqueous plastic dispersions
08/28/1990US4952349 Macroporous polymeric membranes for the separation of polymers and a method of their application
08/28/1990US4951921 Water soluble polymers for subterranean wellbores
08/14/1990US4948703 Ultraviolet light curable composition and use thereof
08/09/1990WO1990009013A2 Germicidal barriers
08/08/1990EP0216884B1 Photo-initiator for the photo-polymerization of unsaturated systems
07/1990
07/24/1990US4943614 Coating composition
07/18/1990EP0378144A2 Photocurable compositions
06/1990
06/27/1990EP0375350A2 Cross-linked vinylpyridinium polymers
06/27/1990EP0374666A2 Continuous process for the manufacture of terpolymers of ethylene and vinyl esters
06/27/1990EP0374458A2 High performance polymer flocculating agents
06/21/1990CA2005849A1 Coumpounds
06/20/1990EP0373442A2 Copolymers based on tert. butyl acrylate and/or tert. butyl methacrylate
06/20/1990EP0373313A2 High solids vinyl acetate-ethylene emulsion polymers and the method of preparation
06/15/1990CA2003987A1 Copolymer based on tert-butyl acrylate of methacrylate
06/14/1990WO1990006344A1 Temporary coating for spray booths
06/06/1990EP0371378A1 Temporary coating of spraying booths
06/06/1990EP0371105A1 Antithrombogenic and antibiotic compositions and methods of preparation thereof
06/05/1990US4931476 Carriers for immobilized bioactive substances; addition monomers with epoxide groups and divinylalkylene urea
05/1990
05/26/1990CA2003986A1 Process and composition for depositing a temporary barrier layer on spray booths and the like
05/17/1990WO1990003367A3 4-(n-benzyl-n-methylamino)pyridine acid salts and use in preparation of polymer-supported catalysts
05/16/1990EP0368218A2 Copolymers and their use as auxiliary agents and/or adjuvants in formulations for preparing polyisocyanate-polyaddition products
05/16/1990EP0368217A2 Copolymers and their use as auxiliary agents and/or adjuvants in formulations for preparing polyisocyanate-polyaddition products
05/14/1990EP0354230A4 High performance pressure-sensitive adhesive polymers.
05/10/1990DE3936698A1 Hydrolysierte copolymere von n-vinylamid und acrylamid zur verwendung als zusatzstoffe zur regelung des wasserverlustes im bohrschlamm Hydrolyzed copolymers of n-vinyl and acrylamide for use as additives for control of water loss in the mud
05/09/1990EP0366931A1 High water content soft contact lens
05/08/1990US4923694 Hydrolysis resistant vinyl lactam amino acrylamide polymers
05/08/1990US4923610 Macroporous polymeric membranes for the separation of polymers and a method of their application
05/03/1990WO1990003368A3 Polymer-supported 4-(n-benzyl-n-methylamino)pyridine catalyst and process for same
05/01/1990US4921907 Resin composition and multilayered structure
05/01/1990US4921621 Hydrolyzed co-polymers of N-vinylamide and acrylamide for use as waterloss control additives in drilling mud
04/1990
04/24/1990US4920181 Polymeric emulsifiers based on amino telechelatic vinyl oligomers II
04/18/1990EP0364399A2 Water soluble or water dispersible copolymers, their preparation and use
04/17/1990US4917921 N-vinylpyrrolidone-2-vinyl-1,3-dithiin copolymer
04/11/1990EP0363024A1 Process for the production of high molecular weight copolymers of diallyl dimethyl ammonium chloride and acrylamide in an aqueous dispersed phase
04/10/1990US4916197 Hydrophilic copolymer and the method for producing thereof
04/10/1990CA1267656A1 Photoinitiators for photopolymerization of unsaturated systems
04/05/1990WO1990003406A1 Polymer supersurfactants for protein resistance and protein removal
04/05/1990WO1990003368A2 Polymer-supported 4-(n-benzyl-n-methylamino)pyridine catalyst and process for same
04/05/1990WO1990003367A2 4-(n-benzyl-n-methylamino)pyridine acid salts and use in preparation of polymer-supported catalysts
03/1990
03/21/1990EP0359509A1 Process for the production of high molecular weight copolymers of diallyl dimethyl ammonium chloride and acrylamide in solution
03/20/1990US4910277 Blend of polysiloxane and an interior wetting agent
03/20/1990US4910249 Acrylic polymers
03/08/1990WO1990001920A1 Hydrolysis resistant vinyl lactam amino acrylamide polymers
03/06/1990US4906715 N,N'-divinylalkylurea crosslinked polymers, a process for their preparation, and their use
02/1990
02/20/1990US4902780 Extraction of residual monomers
02/20/1990US4902765 Allyl thiourea polymers
02/14/1990EP0354889A2 A method of controlling microbiological deposits on paper making equipment and paper obtained thereby
02/14/1990EP0354230A1 High performance pressure-sensitive adhesive polymers.
02/13/1990US4900764 Hydrophilic materials
02/13/1990US4900569 Pour point depressant
01/1990
01/10/1990EP0350414A1 Thickener modifier of the rheological properties of charged and/or pigmented, white or coloured aqueous compositions
01/10/1990EP0350276A2 Temporary wet strength resins with nitrogen heterocyclic nonnucleophilic functionalities and paper products containing same
01/10/1990EP0350030A2 Hydrophilic copolymers, process for their preparation and their use
01/03/1990EP0348513A1 Styrene derivative, polystyrene derivative comprising the same, process for preparing said polystyrene derivative, and ultraviolet absorber comprising said styrene derivative or polystyrene derivative
12/1989
12/26/1989US4889632 Crosslinked globules of addition polymers connected by covalent bonds to form voids; for biopolmers, such as proteins, enzymes, polypeptides
12/20/1989EP0346834A2 Process for the manufacture of polymers
12/19/1989US4888250 Electroconductive coatings
12/19/1989US4888106 Method of using polymeric sulfide mineral depressants
12/06/1989EP0344841A2 Process for preparing quaternary maleic anhydride polymers
12/06/1989EP0344244A1 Uv absorbing vinyl monomers and polymers and ocular implants prepared therefrom
11/1989
11/29/1989CN1037522A Acrylic polymers
11/15/1989EP0341560A2 Photoinitiator copolymer
11/14/1989US4880497 Hydrolysis of vinylformamide, paper coating
11/08/1989EP0340976A2 Acrylic polymers
11/02/1989WO1989010131A1 Antithrombogenic and antibiotic compositions and methods of preparation thereof
10/1989
10/25/1989EP0338656A2 Polymeric silicone-based materials with high oxygen permeability
10/25/1989EP0338276A2 Copolymers of acrylamide with allylthioureas as sulfide mineral depressants
10/18/1989EP0337310A1 Poly(vinyl alcohol-vinylamine)copolymers for improved moist compressive strength of paper products
10/12/1989EP0304424A4 WATER SOLUBLE COMPLEX OF A POLY(VINYLPYRROLIDONE) COPOLYMER AND -g(a)-METHYL-(2-METHYLPROPYL)BENZENE ACETIC ACID.
10/04/1989EP0335624A2 Surface active polymers
10/03/1989US4871824 Azlactone functional polymer beads
09/1989
09/27/1989EP0334771A1 Polymers having imide groups derived from sterically hindered diamines, and process for preparation thereof
09/27/1989EP0334643A1 Fluorocarbon polymer compositions and methods
09/26/1989CA1261525A1 Soluble coating compositions for temporary protection of surfaces
09/26/1989CA1260196A1 Soft, with a low hydrophility contactoptical articles
09/26/1989CA1260193A1 Soft contact-optical objects
09/19/1989US4868239 Casting resins on the basis of acrylic acid esters
09/12/1989US4866150 (meth)acrylamide-thiourea polymers
09/12/1989US4866148 Crosslinked vinylpyrrolidone, methylvinylacetamide, methacrylic acid ester
09/08/1989WO1989008021A1 Stereolithography using composition providing reduced distortion
08/1989
08/30/1989EP0330209A2 Photoreactive polymers and process for the production of a two-layer resist
08/29/1989US4861916 Photoinitiators for photopolymerization of unsaturated systems
08/29/1989CA1258947A1 Water-soluble copolymers and their use as dispersing agents for solids
08/16/1989EP0328340A2 Hydrophilic oxygen permeable polymers
08/15/1989US4857614 Radiation-sensitive polymers which form a metal complex, process for the polymerization of acetylene, and coated material
08/08/1989CA1258348A1 Preparation of insoluble polymer powders which are only slightly swellable
08/01/1989US4853438 Water-soluble polymers bearing quaternary ammonium or pyridinium groups and alkoxysilyl groups, a method for their preparation, and the use thereof
06/1989
06/29/1989WO1989005829A1 High performance pressure-sensitive adhesive polymers
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