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)
10/1991
10/08/1991CA1290492C Contact lens material
10/03/1991CA2017505A1 Dispersions for coatings without external crosslinking agents
10/01/1991US5053448 Emulsion polymerizing acid moiety-containing monomer and ethyleneically unsaturated monomer, adding amino moiety containing monomer
09/1991
09/25/1991EP0448166A2 Polymer compositions
09/22/1991CA2038634A1 Polymer compositions
09/19/1991WO1991013919A1 Radiation-curable liquid composition
09/17/1991CA1289286C Casting resins based upon acrylic-acid esters
09/11/1991EP0445216A1 Temporary coating for spray booths
09/04/1991EP0444354A2 Hollow acid-free acrylate polymeric microspheres having multiple small voids
09/03/1991US5045617 Shampoo, hair conditioner
09/03/1991US5045573 Photoinitiators for photopolymerization of unsaturated systems
08/1991
08/28/1991CA2032766A1 Hollow acid-free acrylate polymeric microspheres having multiple small voids
08/20/1991CA1287945C Preparation of water-soluble copolymers containing vinylamine units, and their use as wet strength agents and dry strength agents for paper
08/06/1991US5037927 Modified n-vinylformamide copolymer having reduced viscosity
08/06/1991CA1287440C Particulate hydroperoxidized poly-n-vinyl lactam, its preparation and usethereof
08/06/1991CA1287439C Mixtures containing di- or polycyanate compounds and substituted bicyclo¬2.2.1| hept-5-ene-2,3- dicarboxylic acid imides and their use
07/1991
07/30/1991US5035812 Vinyl and acrylic copolymers, fluid loss additives for drilling muds, retention agents for cements, mortars
07/25/1991WO1991009067A3 Dispersion and/or grinding agent for aqueous mineral suspensions with a zeta potential close to zero, aqueous suspensions containing same, and applications
07/25/1991WO1991009061A3 High-temperature oil-resistant elastomers
07/20/1991WO1991010690A1 Polymerization process and the polymers thereof
07/20/1991CA2074094A1 Polymerization process and the polymers thereof
07/17/1991EP0436960A1 Cosmetic or pharmaceutical formulations comprising crosslinked carboxylic copolymers useful as thickeners
07/17/1991EP0436630A1 Polymer-supported 4-(n-benzyl-n-methylamino)pyridine catalyst and process for same.
07/10/1991EP0435932A1 4-(n-benzyl-n-methylamino)pyridine acid salts and use in preparation of polymer-supported catalysts
06/1991
06/27/1991DE3942592A1 Loesliche vernetzbare copolymerisate auf der basis von vinylester-, vinyaromat- und acrylatmonomeren, verfahren zu ihrer herstellung sowie ihre verwendung in beschichtungsmitteln Soluble crosslinkable copolymers of vinyl ester on a test basis, vinyaromat- and acrylate monomers, process for their production and their use in coating compositions
06/26/1991EP0434438A2 Hydrolytically degradable hydrophilic gels and the method for preparation thereof
06/23/1991WO1991009888A1 Soluble cross-linkable copolymers based on vinyl ester, vinyl aromat and acrylate monomers, process for their production and their use in coatings
06/21/1991WO1991009067A2 Dispersion and/or grinding agent for aqueous mineral suspensions with a zeta potential close to zero, aqueous suspensions containing same, and applications
06/21/1991CA2070636A1 Dispersing and/or grinding agent for mineral aqueous suspensions with a zeta potential near zero; aqueous suspensions containing said agent and their uses
06/19/1991EP0433046A2 Polymer-type polymerization initiator
06/15/1991WO1991009061A2 High-temperature oil-resistant elastomers
06/15/1991CA2071642A1 High temperature oil-resistant elastomers
06/04/1991US5021525 Process for the manufacture of polymers
05/1991
05/30/1991WO1991007449A1 Polymers for photographic elements
05/28/1991US5019246 Frothing procedure using polymeric sulfide mineral depressants
05/21/1991US5017667 Low temperature process, copolymerization with noncoupling monomer, color photography
05/14/1991US5015711 Thickening agent which modifies the rheological characteristics of charged and/or pigmented, white or colored aqueous compositions
05/14/1991US5015708 Precipitation polymerization of terpolymers of a vinyl lactam, a polymerizable carboxylic acid and a hydrophobic monomer in an aliphatic hydrocarbon solvent
05/14/1991US5015706 Polymer-supported 4-(N-benzyl-N-methylamino)pyridine catalyst and process for same
05/02/1991EP0425305A2 Radiation curable cladding compositions
05/02/1991EP0424751A2 Copolymers based on ethylenic unsaturated monomers containing urethane groups, process for their preparation and their use
04/1991
04/30/1991US5011895 Monomers are soluble in solvent while copolymer product is insoluble; controlling exothermic heat of reaction
04/30/1991CA1283748C Vinylamine copolymer, flocculating agent and paper strength increasingagent using the same, as well as process for producing the same
04/27/1991CA2026628A1 Radiation curable cladding compositions
04/24/1991EP0423438A2 Amine/propylene copolymers
04/24/1991EP0423314A1 Casting of gradient gels
04/22/1991CA2028041A1 Copolymers based on ethylenically unsaturated monomers and containing urethane groups, processes for their preparation and their use
04/18/1991WO1990009013A3 Germicidal barriers
04/17/1991EP0320512B1 Process for making paper
04/09/1991US5006622 Polymer compositions for contact lenses
03/1991
03/27/1991EP0418721A2 Process of preparation of copolymers clear in water
03/26/1991US5002587 Copolymers which are water-soluble or dispersible in water, their preparation and use
03/23/1991CA2025043A1 Preparation of copolymers which form clear aqueous solutions
03/20/1991EP0417901A2 Abrasion resistant ionomer film
03/20/1991EP0417564A2 UV-curable copolymers
03/13/1991EP0371105A4 Antithrombogenic and antibiotic compositions and methods of preparation thereof
03/12/1991CA2021957A1 Abrasion resistant ionomeric film
03/12/1991CA1281490C Hydrogel polymers
03/10/1991CA2024862A1 Ultraviolet crosslinkable copolymers
02/1991
02/27/1991EP0414103A2 Copolymers based on olefinic unsaturated radical ring-opening ketene derivatives
02/19/1991US4994536 Thermally stable bisimido copolymerizates
02/05/1991US4990582 Wettable, oxygen permeable resistant to protein deposits
02/04/1991WO1991002013A1 Biscitraconimide copolymers with olefinically unsaturated materials
02/04/1991CA2064466A1 Biscitraconimide copolymers with olefinically unsaturated materials
01/1991
01/29/1991US4988787 Alternating copolymers, a process for their preparation, and a method of use thereof
01/22/1991WO1991001336A1 Polymeric thickeners and methods of producing the same
01/22/1991CA2063423A1 Polymeric thickeners and methods of producing the same
01/16/1991EP0408292A2 Vinyl copolymer and adsorbent for microorganisms
01/16/1991EP0407932A2 UV light-absorbing skin-protecting composition
01/15/1991US4985559 Used for Contact and Intraocular Lenses; Phenothiazine (Meth)acrylates or (Meth)acrylamide derivatives
01/10/1991WO1991000302A1 Precipitation polymerization of vinyl lactam terpolymers
01/02/1991EP0406161A2 Fluorine and/or silicone containing poly(alkylene-oxide)-block copolymers and contact lenses thereof
01/01/1991US4981933 Azlactone copolymers
01/01/1991US4981557 Acrylamide or ester type cationic polymer
12/1990
12/27/1990EP0275255B1 Soluble acrylic copolymer containing carboxyl groups, its production process and coating agent on the basis of this acrylic copolymer
12/25/1990US4980435 Process for producing terpolymers of alkyl acrylates or methacrylates, an olefinically unsaturated homo or heterocyclic-nitrogen compound and an allyl acrylate or methacrylate or perfluoroalkyl ethyl acrylates or methacrylates
12/20/1990CA2019177A1 Fluorine and/or silicone containing poly(alkylene-oxide)-block copolymers and contact lenses thereof
12/19/1990EP0403325A2 Diallyloxyacetic acid and its basic additon salts, its preparation process and its application as a reticulating agent
12/19/1990EP0402563A1 Hydrosoluble polymers, process for their preparation and their use as dispersing agents in suspensions of solid materials
12/18/1990US4978427 Water-soluble copolymers containing vinylamine units as wet strength and dry strength agent for paper
12/12/1990EP0402334A2 Ultraviolet light curable composition and an optical disk base plate incorporating the composition
12/12/1990EP0401625A2 Alternating copolymers, process for their preparation and their use
12/12/1990EP0235177B1 Process for producing high molecular weight vinyl copolymers
12/11/1990US4977059 Block polymers
12/09/1990CA2017986A1 Alternating copolymers, a process for their preparation, and a method of use thereof
11/1990
11/27/1990US4973649 Novel hindered diamine/imido prepolymers
11/27/1990CA1277090C Heat-curable mixtures containing substituted bicyclo[2.2.1]-hept-5-ene-2,3-dicarboximides and polymaleimides
11/20/1990US4971424 Optical fibers containing fluorinated amide monomer with ethylenically unsaturated crosslinking monomer
11/15/1990WO1990013577A1 Process for preparing substantially pure high molecular weight vinyl lactam-quaternized acrylamide copolymers
11/14/1990WO1990014314A1 Use of water-soluble copolymerizates obtained from monoethylenically unsaturated carboxylic acids and vinylimidazole (derivatives) as water-softening agents
11/14/1990CA2051678A1 Use of water-soluble copolymers of monoethylenically unsaturated carboxylic acids and vinylmidazoles or derivatives thereof for water treatment
11/07/1990EP0396376A1 Polymerizable dye
11/06/1990US4968806 Crosslinked polymer of vinyl derivative with styrene
11/06/1990US4968562 Hollow acid-free acrylate polymeric microspheres having multiple small voids
11/02/1990WO1990013813A1 Casting of gradient gels
11/02/1990CA2031530A1 Casting of gradient gels
11/01/1990CA2014353A1 Process for preparing substantially pure high molecular weight vinyl lactam-quaternized acrylamide copolymers
10/1990
10/31/1990EP0394400A1 Polymer supersurfactants for protein resistance and protein removal.
10/30/1990US4966938 Allyl thiourea polymer with surface-modifying agent
10/30/1990US4966923 Containing (meth)alkyl substituted bicyclo(2.2.1)hep-5-ene-2,3-dicarboxylic acid imide and acrylated ester
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