Patents for C08G 65 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule (29,112)
02/1991
02/12/1991US4992222 Method for removing volatile substances from polyphenylene ether or polyphenylene ether/styrene resin compositions
02/12/1991CA1280234C Inpact modification of polyphenylene ether-polyamide compositions
02/10/1991CA2022912A1 Process for the preparation of an aromatic polyether in the presence of finely divided codensation auxiliaries
02/10/1991CA2022910A1 Process for the preparation of an aromatic polyether
02/07/1991DE3925521A1 Thermally stable polyphenylene oxide - prepd. by reaction of hydroxyl-terminated mono-halo cpd. in solvent in presence of base
02/06/1991EP0411666A2 Fluorinated carboxylic acid derivatives and methods for making
02/06/1991EP0411510A2 Extruder isolation of polymers from solution
02/06/1991EP0411415A2 Polyethercarboxylic esters and their preparation
02/05/1991US4990679 Poly(tetrahydrofuran)
02/05/1991US4990627 Hydroxy-substituted nitrophthalimide monomers
02/05/1991US4990589 Poly(arylene ether ketones)
02/05/1991US4990588 Temperature resistant aromatic polyethers
02/05/1991US4990576 Tetramines by amination of polyoxyalkylene glycols
02/05/1991US4990283 Microemulsions containing perfluoropolyethers
02/05/1991CA2022571A1 Extruder isolation of polymers from solution
02/05/1991CA1279874C Stable emulsifier and substituted succinic anhydride compositions therewith
02/05/1991CA1279822C Biologically-active copolymers
01/1991
01/30/1991EP0410929A2 Linear polymers
01/30/1991EP0410199A2 Plastic material curable in multiple stages
01/30/1991EP0248054B1 Copolymer of difluoromethylene oxide and tetrafluoroethylene oxide
01/30/1991CN1011412B Process for preparing oxymethylene polymer using boron trifluoride in admixture with an inert gas
01/29/1991US4988797 Cationic polymerization of cyclic ethers
01/29/1991US4988775 Improved heat stability for impact strength and tensile strength
01/29/1991CA1279741C Grouting composition
01/25/1991CA2021689A1 Linear polymers
01/24/1991DE3923232A1 Polyphenylene ether(s) prodn. by oxidative coupling of phenol(s) - in presence of catalyst comprising copper salt and substd. pyridine, tert.-butylamine, piperidine, pyrrolidine or piperazine
01/23/1991EP0409684A1 Acetylene derivatives, method of making them, acetylenic polymers and their applications
01/23/1991EP0409599A2 Polyol, polyurethane resin and utilization thereof
01/23/1991EP0408857A2 Process for the preparation of nonionic surfactants low in alkylene oxides and 1,4-dioxane by means of alkali metal alcoholate catalyst
01/23/1991EP0408856A2 Process for the preparation of nonionic surfactants low in alkylene oxides and 1,4-dioxane by means of alkali metal alcoholate catalyst
01/22/1991US4987271 Method for purifying a polyoxyalkylene alcohol
01/22/1991CA1279435C Process for alkylene oxide polymerization
01/22/1991CA1279419C Polyphenylene ether-polycarbonate copolymers and method of preparation
01/22/1991CA1279321C Alkali metal bis-phenethyl or tris-phenethyl-pyridines
01/20/1991CA2020971A1 Acetylene derivatives, their preparation process, new acetylene polymers and their uses
01/16/1991EP0408125A1 Modified poly(2,6-dimethyl-p-oxyphenylene), a process for its preparation and its use in gas mixture separation membranes
01/16/1991EP0407950A1 Formal compounds, fuel oil additives, and fuel oil compositions
01/16/1991EP0407584A1 Stabilized polyphenylene ether resin
01/16/1991CN1048553A Poly (alkenyl substituted aromatic) and elastomer containing polymer compositions and process for their preparation
01/15/1991WO1991001291A1 Alkoxylation products of carboxylic acids and/or carboxylic acid derivatives containing oh groups
01/15/1991US4985551 Process for purification of catalysts from polyols using ion exchange resins
01/15/1991US4985546 For coloring polyurethane foams
01/15/1991US4985491 Polyurethane sealants made using high molecular weight polyols prepared with double metal cyanide catalysts
01/15/1991US4985473 Poly/fluorooxyalkylene/urethanes
01/15/1991US4985412 Phosphoric acid ester, process for preparing the same, and detergent composition containing the same
01/15/1991US4985047 Octane requirement increase
01/15/1991CA2064203A1 Alkoxylation products of carboxylic acids and/or carboxylic acid derivatives containing oh groups
01/12/1991CA2020796A1 Modified poly (2,6-dimethyl-p-oxyphenylene), a process for its preparation and its use in gas mixture separation membranes
01/11/1991CA2020714A1 Macromers for preparation of graft polymer polyol dispersions
01/10/1991WO1991000272A1 Poly(perfluoroether)acyl peroxides
01/10/1991DE3921165A1 New aromatic ether cpds. used in plastics prodn.
01/09/1991EP0406731A2 Surface-modified micaceous particulates having improved dispersibility in aqueous media
01/09/1991EP0406440A1 Production of polyether
01/08/1991US4983708 Novel polyacetal copolymers of trioxane and glycidyl ester derivatives
01/08/1991US4983700 Curable polymer composition
01/08/1991CA1278893C Alkali soluble latex thickeners
01/02/1991EP0406168A1 Addition products of phenylalkylglycid ethers
01/02/1991EP0405464A2 Polyether acrylamide derivatives and active energy ray curable resin composition
01/02/1991EP0405139A1 Method for preparation of aryloxytriazine-capped polyphenylene ethers
01/01/1991US4981961 Chemically-stable chromatography adsorber; modifying nucleophilic polymers with pyridine bases
01/01/1991US4981919 End capped thermally stable polyphenylene oxide (PPO)
01/01/1991US4981727 Polyfluoropolyethers having pendant perfluoroalkoxy groups
12/1990
12/31/1990CA2020044A1 Phenylalkyl glycidyl ether addition products
12/28/1990CA2019824A1 Polyether acrylamide derivatives and active energy ray curable resin composition
12/27/1990WO1990015854A1 Electro-optical liquid crystal system
12/27/1990WO1990015659A1 Process for removing ionizable impurities from non-aqueous fluids
12/27/1990EP0404724A2 Polyarylenethers
12/27/1990EP0404262A2 Monoepoxide-polyol adducts, and process for preparing the same
12/27/1990EP0404261A2 Poly(alkenyl substituted aromatic) and elastomer containing polymer compositions and process for their preparation
12/27/1990EP0404255A1 Acid halide and/or acyllactam functional compounds and polylactam block copolymers derived therefrom
12/27/1990EP0404254A1 N-substituted carbamoyllactam functional compounds and polylactam block copolymers derived therefrom
12/27/1990EP0404031A1 UV curable non-toxic epoxysilicone release coating compositions and method
12/27/1990EP0404030A1 Method for coating substrates with UV curable epoxysilicone compositions
12/27/1990EP0404029A1 Substantially odor free, UV curable organopolysiloxane release coating compositions and coating method
12/27/1990EP0403810A2 Low odor polyphenylene ether
12/27/1990EP0403718A2 Products of styrene oxide
12/26/1990CN1048060A Rinse-added fabric conditioning compositions containing fabric softening agents and cationic polyester soil release polymers therefor
12/26/1990CN1048046A Process for modification of polyphenylene ether or related polymers with cyclic acid anhydride
12/26/1990CN1010948B Process for prepn. of fluor containing polyethers
12/25/1990US4980514 Ketone derivatives of polyoxypropylene glycols
12/25/1990US4980453 Converted to linear polymers
12/25/1990US4980425 Dispersant, emulsifier
12/25/1990US4980424 Used in polyamides
12/25/1990US4980415 Compositions comprising polyphenylene ethers and reactive graft polymers
12/25/1990US4980087 Anionic surfactants for shampoo
12/23/1990CA2019508A1 Polyarylene ethers
12/23/1990CA2019433A1 Poly(alkenyl substituted aromatic) and elastomer containing polymer compositions and process for their preparation
12/23/1990CA2013352A1 Low odor polyphenylene ether
12/22/1990CA2019370A1 N-substituted carbamoyllactam functional compounds and polylactam block copolymers derived therefrom
12/22/1990CA2019362A1 Acid halide and/or acyllactam functional compounds and polylactam block copolymers derived therefrom
12/22/1990CA2013339A1 Method for coating substrates with uv curable epoxysilicone compositions
12/22/1990CA2013338A1 Uv curable non-toxic epoxysilicone release coating compositions and method
12/22/1990CA2012812A1 Substantially odor free, uv curable organopolysiloxane release coating compositions and coating method
12/21/1990CA2013340A1 Method for preparation of aryloxytriazine-capped polyphenylene ethers
12/20/1990DE4003621C1 Silane poly:oxy:alkylene glycidyl ether - for improving e.g. epoxy] resins and inorganic materials e.g. glass fibres
12/20/1990CA2019158A1 Monoepoxide-polyol adducts, and process for preparing the same
12/20/1990CA2006424A1 Styrene oxide products
12/19/1990EP0403132A2 Monocarbamate diols, polymers derived from them, and NLO-active materials therefrom
12/19/1990EP0403023A2 Process for modification of polyphenylene ether or related polymers with a cyclic acid anhydride and the use thereof in modified, high temperature rigid polymer of vinyl substituted aromatics
12/19/1990EP0402721A2 Process for producing polyphenylenether by oxidative coupling reaction in solution