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| Number | Title | Issue Date |
| 8039561 | Method for the preparation of a silicon-containing polysulfide-type polymer To provide a highly efficient and stable method for the preparation of a silicon-containing polysulfide-type polymer, in particular, a polysulfide-type polymer with organosilyl groups, the method being carried out without generation of by-products that could have hi... | 10/18/2011 |
| 7368505 | Graft copolymers This invention relates to methods of making graft copolymers, and articles having such graft copolymers. The methods may provide better control than in radicalization or photoinitiated polymerization techniques. For example, a graft copolymer can be prepared by reac... | 05/06/2008 |
| 7288599 | Oligomers and polymers containing sulfinate groups, and method for producing the same The invention relates to polymers obtained by S-alkylation of sulfinated polymers with alkylation agents, and AB-cross-linked polymers obtained by reacting polymers containing alkylation groups with low-molecular sulfinates, under S-alkylation, or AB-cross-linked po... | 10/30/2007 |
| 7196151 | Functionalized main chain polymers A non crosslinked, covalently crosslinked and/or ionically crosslinked polymer, having repeating units of the general formula (1) —K—R— (1) In which K is a bond, oxygen, sulphur, t... | 03/27/2007 |
| 7183017 | Composite polymer electrolytes for proton exchange membrane fuel cells Thin films of inexpensive composite polymer electrolyte membranes containing inorganic cation exchange materials including various clay based fillers are fabricated by solution casting. The membranes exhibit higher ion exchange capacity, proton conductivity and/or l... | 02/27/2007 |
| 7098266 | Polyarylethersulphone and polyamide-based thermoplastic mouldable masses with improved processing characteristics Molding compositions comprise A) from 1 to 98.8% by weight of at least one polyarylene ether sulfone, B) from 1 to 98.8% by weight of at least one thermoplastic polyamide, C) from 0.1 to 60% by wei... | 08/29/2006 |
| 7084213 | Compositions adapted for chain linking A polymer composition comprising chains of at least one aromatic polymer or a mixture thereof together with at least one chain linking component wherein the at least one aromatic polymer comprises polymer chains of number average molecular weight (Mn) in a first ran... | 08/01/2006 |
| 7008971 | Composite polymer electrolytes for proton exchange membrane fuel cells Thin films of inexpensive composite polymer electrolyte membranes containing inorganic cation exchange materials including various clay based fillers are fabricated by solution casting. The membranes exhibit higher ion exchange capacity, proton conductivity and/or l... | 03/07/2006 |
| 6962959 | Composite electrolyte with crosslinking agents A covalent crosslinking of ion-conducting materials via sulfonic acid groups can be applied to various low cost electrolyte membrane base materials for improved fuel cell performance metrics relative to such base material. This proposed approach is due, in part, to ... | 11/08/2005 |
| 6946527 | Modified polymeric shaped body, method for producing the same and use thereof AGE precursors can be removed from blood, plasma or PBS buffer using a modified polymeric shaped body that can be produced by reaction of diaminoguanidine and/or triaminoguannidine with a staring polymeric shaped body carrying R—X residues, where R is an alkylene ... | 09/20/2005 |
| 6887965 | Polythiophenes, block copolymers made therefrom, and methods of forming the same The present invention relates to polythiophenes, particularly regioregular head-to-tail poly(3-alkylthiophenes) (HT-PATs), block copolymers made therefrom, and their methods of formation. The present invention provides HT-PATs with well-defined, specific end-groups,... | 05/03/2005 |
| 6797222 | Slush molding process A slush molding process in which the moldable thermoplastic composition powder dosed to the mold is prepared by blending ethylene carboxylic acid copolymers or ionomers with ethylene/glycidyl acrylate or methacrylate copolymer and cross-linking promoter at a tempera... | 09/28/2004 |
| 6602974 | Polythiophenes, block copolymers made therefrom, and methods of forming the same The present invention relates to polythiophenes, particularly regioregular head-to-tail poly(3-alkylthiophenes) (HT-PATs), block copolymers made therefrom, and their methods of formation. The present invention provides HT-PATs with well-defined, specific ... | 08/05/2003 |
| 6552135 | Cross-linking of modified engineering thermoplastics The present invention pertains to a process for the cross-linking of modified engineering thermoplastics, in particular, of polymeric sulfinic acids or sulfinic acid salts. In particular, the invention pertains to a process for the preparation of cross-li... | 04/22/2003 |
| 6524769 | Photosensitive resin A photosensitive resin obtained by reacting a reaction product (I) prepared from a biphenyl epoxy acrylate (a) of the formula (1) and a cyanate ester compound (b) with a polybasic acid anhydride (c), and a photosensitive resin and an epoxy compound, ... | 02/25/2003 |
| 6479212 | Photosensitive resin, resist composition using the photosensitive resin, pattern formation method using the resist composition, device produced by the pattern formation method, and exposure method There is provided a photosensitive resin having at least three moieties in the backbone chain, two moieties of which moieties are an alicyclic group moiety and a sulfonyl moiety. The photosensitive resin has a superior solubility in solvents and a superio... | 11/12/2002 |
| 6429256 | Aqueous coating composition and a polyol for such a composition Aqueous coating composition, for example for use as a clear or pigmented top coat or a primer, comprising: a) a polyol or a mixture of polyols having at least two hydroxy groups per molecule and: i a content C of carboxylate- and/or carboxylic acid-functional ... | 08/06/2002 |
| 6417287 | Method for hydrogenating aromatic polymers A process for the hydrogenation of aromatic polymers is disclosed. Accordingly, the solvent used comprise an ether that contains no -hydrogen atom on a carbon atom adjacent to the ether function. The process results in virtually complet... | 07/09/2002 |
| 6365323 | High performance curable polymers and processes for the preparation thereof Disclosed is a composition which comprises a polymer containing at least some monomer repeat units with photosensitivity-imparting substituents which enable crosslinking or chain extension of the polymer upon exposure to actinic radiation, said polymer be... | 04/02/2002 |
| 6344510 | Rubber vulcanization agent and rubber composition containing the same A rubber vulcanization agent comprising a polysulfide polymer having an average number of sulfur bonds in the repeating units of more than 2 but not more than 6 and having the formula (I) R--S.paren open-st.Y--Sx.paren close-st.n Y--S--R ... | 02/05/2002 |
| 6225019 | Photosensitive resin, resist based on the photosensitive resin, exposure apparatus and exposure method using the resist, and semiconductor device obtained by the exposure method Provided is a photosensitive resin with high sensitivity to exposure light. The photosensitive resin comprises a vinyl monomer moiety having an alicyclic group in a side chain thereof, and a sulfonyl moiety. ##STR1## B is an alicyclic group,... | 05/01/2001 |
| 6020119 | Process for halomethylation of high performance polymers Disclosed is a process which comprises reacting a polymer of the general formula ##STR1## or ##STR2## wherein x is an integer of 0 or 1, A is one of several specified groups, such as ##STR3## B is one of several specified groups, ... | 02/01/2000 |
| 5965663 | Resin composition and resin-molded type semiconductor device A resin composition comprising (a) polyarylene polyether represented by the general formula of Z1 -(polyarylene polyether) chain-Z1 ' (wherein Z1 and Z1 ' denote individually a monovalent organic group containin... | 10/12/1999 |
| 5945253 | High performance curable polymers and processes for the preparation thereof Disclosed is a composition which comprises a polymer containing at least some monomer repeat units with photosensitivity-imparting substituents which enable crosslinking or chain extension of the polymer upon exposure to actinic radiation, said polymer be... | 08/31/1999 |
| 5883150 | Compositions of a copolymer including a sulfone polymer A polysulfone composition is formed from a solution of a polysulfone and a free radical polymerizable monomer exposed to ultraviolet light to form a blend of the polysulfone and copolymers of activated polysulfone and polymerized monomer having polymer se... | 03/16/1999 |
| 5739254 | Process for haloalkylation of high performance polymers Disclosed is a process which comprises reacting a polymer of the general formula ##STR1## wherein x is an integer of 0 or 1, A is one of several specified groups, such as ##STR2## B is one of several specified groups, such as ##STR3## ... | 04/14/1998 |
| 5605984 | Polymeric compositions and components thereof Polymer compositions comprising phenol/formaldehyde systems and polyarylsulphones having epoxy pendent or end groups are disclosed together with novel epoxy-ended polyarylsulphones and novel cross-linked epoxy-ended polyarylsulphones. The compositions can... | 02/25/1997 |
| 5286817 | Poly(arylene sulfide)/poly(arylene sulfide sulfone) block copolymers and preparation thereof A process is provided for preparing poly(arylene sulfide)/poly(arylene sulfide sulfone) block copolymer comprising: contacting poly(arylene sulfide) prepolymer, a dihaloaromatic sulfone, a sulfur source, and a polar organic compound under polymerization c... | 02/15/1994 |
| 5276082 | Halogen-free floor covering A surface covering including a blend of a silane-grafted ethylene/vinyl acetate polymer and an ungrafted thermoplastic polymer retains the desirable balance between indentation, tensile strength and elongation of a fully grafted EVA while permitting the r... | 01/04/1994 |
| 5225489 | Composites of thermoplastic and thermoplastic polymers having therein short fibers derived from anisotropic polymers This invention relates to mixtures of short fibers of varying lengths, diameters and aspect ratios composed of an anisotropic polymer, to compositions containing said fibers and one or more thermoplastic or thermoset resins, and to a process for forming s... | 07/06/1993 |
| 5086120 | Ionically blended molecular composites A molecular composite system consisting essentially of a para-oriented benzobisazole polymer and a matrix polymer, poly(2-acrylamido-2-methylpropanesulfonic acid).... | 02/04/1992 |
| 4983683 | Polycyanate esters of polyhydric phenols blended with thermoplastic polymers Curable compositions are made from blends of polycyanate ester of polyhydric phenols and amorphous, aromatic thermoplastic resins which are initially soluble in the polycyanate ester but which phase separate during curing of the polycyanate ester.... | 01/08/1991 |
| 4957962 | Fiber composites Fiber composite useful in automotive construction and the aerospace industry are composed of a plastics matrix and reinforcing fibers, this plastics matrix comprising a mixture of from 90 to 40% by weight of polyether sulfone and 10 to 60% by weight of po... | 09/18/1990 |
| 4888392 | Copolymer of sulfur dioxide and polyalkylpolysilylstyrene A copolymer of sulfur dioxide and polyalkylpolysilylstyrene composed of repeating units of formula I: ##STR1## where R is a lower alkyl group, p is an integer between 2 and 5, q in an integer between 1 and 10 representing the sequence length of ... | 12/19/1989 |
| 4870138 | Semi-interpenetrating polymer networks Novel compositions of matter comprising semi-interpenetrating polymer networks resulting from the reaction between a poly(vinyl benzyl ether) of a polyphenol and engineering condensation thermoplastic may be used as components in a laminate when coated on... | 09/26/1989 |
| 4769400 | Heat-curable binder mixture The invention relates to a heat-curable binder mixture which comprises an organic synthetic resin A and a crosslinking agent B. Said synthetic resin A can be an epoxy resin, a polyester resin or an acrylate resin having a number average molecular weight o... | 09/06/1988 |
| 4734470 | Block copolymer and compositions A block copolymer composed of polyphenylene sulfide segments and aromatic sulfide sulfone polymer segments and having a logarithmic viscosity [η], determined at 206° C. for its solution in alpha-chloronaphthalene in a polymer concentration of 0.4 g/100 ... | 03/29/1988 |
| 4708994 | Engineering thermoplastics containing pendant benzocyclobutene groups This invention describes the preparation of reactive engineering thermoplastics containing arylcyclobutene groups pendant to an aromatic ring. The polymers are prepared by alkylation or acylation of an engineering thermoplastic which contains one or more ... | 11/24/1987 |
| 4698392 | Blend of chlorinated polyolefin elastomer and ethylene-containing terpolymer A curable polymeric composition exhibiting good low temperature flexibility comprising about 50-90 parts by weight chlorinated polyethylene or chlorosulfonated polyethylene containing about 30-45 weight percent chlorine, and about 10-50 parts by weight of... | 10/06/1987 |
| 4678831 | Block copolymers and resin compositions A block copolymer comprising a polyphenylenesulfide portion and a polysulfone portion, and having a logarithmic viscosity [η] in the range of 0.03 to 1.0, said logarithmic viscosity [η] being a value calculated by the following equation from a relative ... | 07/07/1987 |
