Patents
Patents for C08G 2 - Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances (1,915)
12/1990
12/05/1990CN1047511A Grafting of amine functional polymers onto functionalized oxymethylene polymers and resulting graft polymers thereof
12/05/1990CN1047509A Polyacetal copolymers of trioxane and trimethylolpropane formal derivatives
12/04/1990US4975520 Production of acetal copolymers from gaseous formaldehyde and cyclic ethers
12/04/1990US4975519 Novel polyacetal terpolymers of trioxane and alpha, alpha- and alpha, beta-isomers of glycerol formal and functional derivatives thereof
12/04/1990US4975518 Condensation polymerization; compatibility with additives and other ingredients
11/1990
11/28/1990CN1047308A Novel polyacetal copolymers of trioxane and glycidyl ester derivatives
11/28/1990CN1047307A Novel polyacetal terpolymers of trioxane and alpha, alpha-and alpha, beta-isomers of glycerol formal and functional derivatives thereof
11/28/1990CN1047306A Grafting of functional compounds onto functional oxymethylene polymer backbones, with diisoyanate coupling agents, and graft polymers thereof
11/22/1990EP0398585A2 Novel polyacetal terpolymers of trioxane and alpha, alpha-and alpha, beta-isomers of glycerol formal and functional derivatives thereof
11/22/1990CA2017109A1 Process for surface treatment of polyacetal resin molding for coating
11/21/1990CN1047074A Novel polyacetal copolymers of trioxane and 1,2,6-hexanetriol formal derivatives
11/15/1990WO1990013583A1 Perfluoropolyethers
11/14/1990EP0397494A2 Novel polyacetal copolymers of trioxane and 1,2,6-hexanetriol formal derivatives
11/14/1990EP0397493A2 Grafting of functional compounds onto functional oxymethylene polymer backbones, with diisocyanate coupling agents and the graft polymers thereof
11/14/1990EP0397492A2 Novel polyacetal copolymers of trioxane and trimethylolpropane formal derivatives
11/14/1990EP0397490A2 Novel polyacetal copolymers of trioxane and glycidyl ester derivatives
11/12/1990CA2016636A1 Grafting of functional compounds onto functional oxymethylene polymer backbones, with diisocyanate coupling agents, and the graft polymers thereof
11/12/1990CA2016617A1 Polyacetal copolymers of trioxane and glycidyl ester derivatives
11/12/1990CA2016502A1 Polyacetal copolymers of trioxane and 1,2,6-hexanetriol formal derivatives
11/12/1990CA2016335A1 Polyacetal terpolymers of trioxane and alpha, alpha-and alpha, beta-isomers of glycerol formal and functional derivatives thereof
11/12/1990CA2015903A1 Grafting of amine functional polymers onto functionalized oxymethylene polymers and the resulting graft polymers thereof
11/12/1990CA2015848A1 Polyacetal copolymers of trioxane and trimethylolpropane formal derivatives
10/1990
10/24/1990CN1046339A Acetal copolymers with backbone double bonds
10/16/1990US4963596 Treatment and after-treatment of metal with carbohydrate-modified polyphenol compounds
10/10/1990EP0391681A2 Acetal polymer blends
10/05/1990CA2013288A1 Acetal polymer blends
10/03/1990EP0390305A2 Diester and keto-ester derivatives of polyhydroxy compounds and production thereof
10/03/1990EP0232329B1 Perfluorinated polyether fluids
09/1990
09/26/1990EP0389227A2 Production of acetal copolymers from gaseous formaldehyde and cyclid ethers
09/25/1990US4959404 Thermoplastic resin composition
09/20/1990CA2010653A1 Production of acetal copolymers from gaseous formaldehyde and cyclic ethers
09/19/1990CN1009649B Process for devolatilizing molten oxymethylene polymer
09/11/1990US4956445 Process for the preparation of acetal polymer or copolymer
09/11/1990CA1273767A1 Polyacetal lighter body resin
09/04/1990US4954400 Bonding strength; trioxane, 1,3-dioxolane, 1,4-butanediol diglycidyl ether, and 1,3-butadiene dioxide
08/1990
08/14/1990CA1272841A1 Process for preparing polymer of formaldehyde
08/14/1990CA1272840A1 Method for making polyesters, polyamides and polyketones
08/01/1990CN1044283A Catalyst compositions
07/1990
07/31/1990CA1272343A1 Perfluorinated polyether fluids
07/31/1990CA1272205A1 Substituted o-phthalaldehydes
07/25/1990EP0379260A2 Catalyst compositions
07/17/1990US4942208 Polyacetal lighter body resin
07/17/1990CA1271880A1 Method of continuous manufacturing of polymers or copolymers of trioxane
07/17/1990CA1271878A1 Organometallic polymers
07/12/1990CA2007519A1 Poly (.alpha.-ketoester) compound and production thereof
06/1990
06/26/1990US4937312 Copolymerizing 1,3,5-trioxane and 1,3-dioxolane modified by 1,4-butanediol diglycidyl ether or 1,2,3,4-diepoxybutane
06/20/1990CN1043137A Method and apparatus for producing oligo-formol refining powder
06/05/1990US4931535 Process for the preparation of acetal polymer or copolymer
04/1990
04/18/1990EP0364207A2 Articles utilizing acetal copolymer bonding resins
04/05/1990WO1990003410A1 Fluorination of acetals, ketals and orthoesters
04/05/1990WO1990003357A1 Perfluoroacetal and perfluoroketal compounds and use thereof in thermal shock testing
03/1990
03/27/1990US4912181 Preparation of poly(arylene ether ketones) by sequential oligomerization and polyerization in distinct reaction zones
03/21/1990EP0359451A2 Elastomeric acetal polymers
03/14/1990EP0357691A1 Terminally unsaturated macromolecular monomers of polyformals and copolymers thereof
02/1990
02/21/1990CN1039814A Method of stabilizing oxymethylene copolymer
02/13/1990US4900783 Acetal copolymers with backbone double bonds and graft copolymers thereof
02/06/1990US4898925 Elastomeric acetal polymers
01/1990
01/30/1990US4897336 Integrated circuits
01/30/1990CA1265287A1 Method of continuous polymerization
01/10/1990CN1038653A Process for preparation of acetal polymer or copolymer
01/09/1990CA1264391A1 Process for devolatilizing molten oxymethylene polymer
12/1989
12/20/1989EP0347119A2 Process for the preparation of acetal polymer or copolymer
12/13/1989CN1037910A Acetal copolymers with backbone epoxide functional groups
12/13/1989CN1037900A Acetal copolymers with backbone isocyanate functional groups
11/1989
11/08/1989EP0340926A2 Acetal copolymers with backbone isocyanate functional groups
10/1989
10/25/1989CN1036592A Polyketone copolymer compositions
10/18/1989EP0337756A2 Acetal copolymers with backbone amine groups
10/18/1989EP0337755A2 Acetal copolymers with backbone double bonds
09/1989
09/20/1989EP0333660A2 Stabilization systems for polyacetals
08/1989
08/16/1989EP0328506A2 Particulate polyacetal carboxylate and methods for preparation thereof
08/09/1989CN1034553A Process for the preparation of acetal polymer or copolymer
08/02/1989EP0326538A2 Method for preparation of alkyl glycolates
08/02/1989EP0326224A2 Polyketone copolymer composition
07/1989
07/26/1989EP0325052A2 Process for the preparation of acetal polymer or copolymer
07/11/1989US4847332 Terminally unsaturated macromolecular monomers of polyformals and copolymers thereof
07/04/1989US4845159 Photoactive and thermally active polymeric iodonium salts, use, and method for making
06/1989
06/15/1989WO1989005325A1 Terminally unsaturated macromolecular monomers of polyformals and copolymers thereof
06/13/1989US4839407 Particulate polyacetal carboxylate and methods for preparation thereof
06/13/1989CA1255845A1 Preparation of aromatic ketone-sulfone, copolymers
06/07/1989EP0319290A2 Resin composition
06/07/1989EP0319017A2 Treatment and after-treatment of metal with carbohydrate-modified polyphenol compounds
06/07/1989EP0319016A2 Treatment and after-treatment of metal with polyphenol compounds
06/07/1989EP0318939A2 Method for preparing stably dispersed nonaqueous microparticle dispersions
05/1989
05/23/1989US4833177 Monomers for polyurethanes, polyesters, polyethers, dispersants
05/03/1989EP0314384A2 Preparation of poly(arylene ether ketones)
05/02/1989US4827042 Heat exchange and hydraulic fluids, grease
04/1989
04/25/1989US4824997 Method for preparation of alkyl glycolates
04/12/1989EP0310882A2 Photoactive and thermally active polymeric iodonium salts, use, and method for making
04/11/1989US4820829 Substituted o-phthalaldehydes
03/1989
03/28/1989US4816107 Acetal polymer bonded articles and method of making same
03/22/1989EP0308187A2 Acetal polymer bonded articles
03/22/1989EP0308186A2 Low Tg non-crystalline acetal copolymers
03/22/1989EP0308045A2 UV curable non-crystalline acetal terpolymers
03/21/1989US4814424 Heat resistanc,e melting a copolymer with steam
03/07/1989CA1250995A1 Process for preparing polymeric acetal carboxylates
02/1989
02/21/1989US4806622 Polymerizing trioxane; stabilized by hydrolysis
01/1989
01/18/1989CN1030430A Silicon contg. polyacetal copolymer and manufacturing method thereof
01/04/1989EP0297909A2 Silicon containing polyacetal copolymer and manufacturing method thereof
12/1988
12/06/1988CA1245942A1 Polymeric acetal carboxylate compositions
11/1988
11/29/1988US4788258 Low Tg non-crystalline acetal copolymers
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