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| Number | Title | Issue Date |
| 8110636 | Multi-block sulfonated poly(phenylene) copolymer proton exchange membranes Improved multi-block sulfonated poly(phenylene) copolymer compositions, methods of making the same, and their use as proton exchange membranes (PEM) in hydrogen fuel cells, direct methanol fuel cells, in electrode casting solutions and electrodes. The multi-block ar... | 02/07/2012 |
| 7601785 | Sulphonated multiblock copolymer and electrolyte membrane using the same Disclosed is a sulfonated multiblock copolymer, which comprises a hydrophilic block (X) having a repeating unit represented by the following formula 1a, and a hydrophobic block (Y) having a repeating unit represented by the following formula 2, wherein the number (m... | 10/13/2009 |
| 7338986 | UV curable low gloss additives for overprint varnish coating formulations and coatings therefrom The invention relates to UV curable, low gloss overprint varnish coating formulations and cured coatings prepared therefrom. The low gloss overprint varnish formulations contain a Michael addition resin, a polyamide powder and a reactive monomer. ... | 03/04/2008 |
| 7326480 | Fuel cell power system and method of controlling a fuel cell power system A fuel cell power system includes a fuel cell which has an optimal voltage; an energy storage device having a nominal voltage substantially similar to the optimal voltage of the fuel cell; and an electrical switch that, in operation, selectively electrically couples... | 02/05/2008 |
| 7307138 | Polymer electrolytes and process for their preparation A sulfonated aromatic polyether ketone of the formula (II) [Ar—O—Ar′—CO—Ar′—O—Ar—CO—Ar″—CO—] (II) in which from 1% to 100% of the O-phenylene-CO units are substituted with an SO3M group and sulfonated an... | 12/11/2007 |
| 7291658 | Radiation-curable inks for flexographic and screen-printing applications from multifunctional acrylate oligomers The present invention relates generally to radiation-curable ink formulations, and particularly, but not by way of limitation, to a family of radiation-curable ink formulations specifically for flexographic and screen printing applications. The inventive ink formula... | 11/06/2007 |
| 7252709 | Multifunctional acrylate oligomers as pigment grinding vehicles for radiation-curable ink applications The invention detailed herein comprises a family of multifunctional acrylate oligomers which are useful as pigment grinding vehicles for use in radiation-curable coating formulations. The multifunctional acrylate resins are formed by the reaction of acrylate monomer... | 08/07/2007 |
| 7235616 | Curable resin compositions and process for preparing oligomers containing acrylate groups and substituted methacrylate groups A curable resin composition which exhibits excellent hardness of their curing products as well as storage stability is provided, and a simple method to obtain acrylated resins is provided. The composition comprises a curable oligomer which has an acryloyl group and ... | 06/26/2007 |
| 7226981 | Curing agent composition for epoxy resin An epoxy resin curing agent composition containing a ketimine compound prepared by the reaction between a polyoxypropylenediamine component and a ketone compound, wherein (1) the polyoxypropylenediamine component is a 9/1 to 6/4 (by weight) mixture of polyoxypropyle... | 06/05/2007 |
| 7226971 | Polyester resin with carbamate functionality, a method of preparing the resin, and a coating composition utilizing the resin The present invention is directed to a polyester resin for use in a coating composition. The polyester resin is the reaction product of a first compound comprising a plurality of hydroxyl groups, a lactone compound, a carboxylic acid anhydride, an epoxy compound hav... | 06/05/2007 |
| 7217780 | Polyether ketone and method of producing the same There are disclosed, a polyether ketone having a primary particle size of 50 μm or less; and a method of producing a polyether ketone by a desalting polycondensation, which contains a step of conducting a polymerization reaction under a condition of deposition of t... | 05/15/2007 |
| 7186784 | Phosphorus-containing carboxylic acid derivatives process for preparations thereof and flame retardant There are disclosed a phosphorus-containing carboxylic acid derivative which has a group containing phosphorus atom and has in its molecule, a group represented by the following formula (1): wherein R1... | 03/06/2007 |
| 7169825 | Dual cure reaction products of self-photoinitiating multifunctional acrylates with thiols and synthetic methods Self-photoinitiating liquid oligomeric compositions are disclosed. The oligomeric compositions are formed from multifunctional mercaptans and Michael addition polyacrylate resins, synthesized from multifunctional acrylates and β-dicarbonyl Michael donors, specifica... | 01/30/2007 |
| 7166648 | Photoinitiator, novel compound, and photocurable composition A photoinitiator is provided which exhibits excellent photosensitivity, yields colorless products, and is usable in thick layer UV curable coating. A novel chemical compound is also provided which is usable for the photoinitator. Photocurable composition is also pro... | 01/23/2007 |
| 7151138 | Resin composition of poly(aryl ketone), poly(arylene sulfide) and thermosetting imide resine A resin composition comprises a resin component containing 40 to 99% by mass of a poly(aryl ketone) and 1 to 60% by mass of a poly(arylene sulfide), and 0.1 to 5 parts by mass, per 100 parts by mass of the resin component, of at least one thermosetting imide resin s... | 12/19/2006 |
| 7138179 | Method for preparing biodegradable polyester and itself prepared thereby Disclosed is a method for preparing a biodegradable polymer in the form of uniform powder or spherical particles by dispersion polymerization without a grinding step. The method for preparing a biodegradable polyester includes dispersing a monomer in the presence of... | 11/21/2006 |
| 7129290 | Polymeric crosslinkable compositions containing spiroorthocarbonates Polymeric compositions containing spiroorthocarbonate groups and another functional group which reacts with hydroxyl groups are readily crosslinked on contact with water. These compositions are useful as sealants, coatings and encapsulants. ... | 10/31/2006 |
| 7125953 | Ion-conducting polymeric materials A method of preparing an ion-conducting polymeric material, for example, for a fuel cell, in a desired form (hereinafter “said formed polymeric material”), comprises: (i) selecting a first ion-conducting polymeric material; (ii) selecting a solvent formulation w... | 10/24/2006 |
| 7067608 | Process for preparing branched polyarylene ethers Disclosed is a process for preparing branched polyarylene ether polymers by (A) providing a reaction mixture comprising (i) a polyfunctional phenol compound of the formula Ar(OH)x wherein x≧3 and wherein Ar is an aryl moiety or an alkylaryl moiety, prov... | 06/27/2006 |
| 7041749 | Dual cure reaction products of self-photoinitiating multifunction acrylates with cycloaliphatic epoxy compounds Photopolymerizable liquid oligomeric compositions are disclosed. The oligomeric compositions are formed from cycloaliphatic epoxides and Michael addition polyacrylate resins, synthesized from multifunctional acrylates and β-dicarbonyl Michael donors, specifically ... | 05/09/2006 |
| 7022798 | Prosthetic device having a polyaryletherketone component with enhanced wettability and method for making the same A prosthetic device having a polyaryletherketone component with a wettable surface is disclosed. The surface of the polyaryletherketone component has a surface chemistry which enhances the ability of tissues to grow directly thereon. An associated method for enhanci... | 04/04/2006 |
| 7022778 | High solid coating compositions The invention relates to coating compositions comprising: A) at least one low molecular weight reactive compound with a molecular weight (Mn) of 300–1,500 g/mol, preferably of 300–1,200 g/mol, with at least one secondary and/or tertiary amino group and at... | 04/04/2006 |
| 7001531 | Sustained release coolant additive composition A coolant additive composition comprising a sustained release component and an additive component, the additive component is effective to provide at least one benefit to a coolant when released into the coolant, the sustained release component includes a polymeric m... | 02/21/2006 |
| 7001978 | Unsaturated ester substituted polymers with reduced halogen content Polymers of the formula wherein x is 0 or 1, R1-4 are alkyl, aryl, arylalkyl, or alkylaryl groups, X1-4 are halogens, a′, b′, c′, and d′ are 0–4, UE is an unsaturated ester group, e, f, g... | 02/21/2006 |
| 6994788 | Sulfonated aromatic polymers, membrane containing said polymers and a method for production and use of the same A sulfonated aromatic polymer comprising the repeating structural unit of the formula I —O—Ar1(SO3R)n—C(CF3)2—Ar1(SO3R)n—O—Ar2—(X—Ar2 | 02/07/2006 |
| 6984713 | Sulfonated polyetherketoneketone The invention relates to a sulfonated polyetherketonketone (sPEKK), which is amorphous and/or which can be obtained by sulfonating amorphous PEKK. This sPEKK can be preferably produced by using a diphenyl ether and a benzenedicarboxylic acid derivate. Particularly p... | 01/10/2006 |
| 6927273 | Process for preparing substituted polyarylene ethers Processes for preparing polymers of the formula wherein m is 0 or 1, X is chlorine, bromine, or iodine, and n, e, and f are each, independently of the others, integers wherein e may be 0 and n and f are each at least 1... | 08/09/2005 |
| 6914084 | Membranes containing sulfonated polyetherketone and another polymer, method for the production and use thereof Membranes comprising sulfonated polyether ketone and another polymer, process for their production, and their use, Membranes comprising from 30 to 99.5% by weight of a sulfonated, strictly alternating polyether ketone (A) having repeat units of the formula (I) —Ar... | 07/05/2005 |
| 6914022 | Reusable surface insulation containing polybenzazole A lightweight, flexible, layered insulation composed of glass or ceramic fabric covered with a ceramic coating and overlying an insulating felt made from needled polybenzazole (PBZ) material which is preferably polybenzoxazole (PBO), and which optionally contains a ... | 07/05/2005 |
| 6913826 | Biodegradable polyester polymer and method for preparing the same using compressed gas In polymerizing biodegradable polymer material, a compressed gas is used as a reaction solvent for a solution-polymerization, in order to prepare biodegradable polyester homopolymer and copolymer with a high molecular weight in a fine powder form with a particle siz... | 07/05/2005 |
| 6914101 | Polyester block copolymer composition The present invention relates to a polyester block copolymer composition which is obtained by reacting 0.5 to 5.0 parts by weight of an epoxy compound (C) having two or more functionalities with 100 parts by weight of a polyester block copolymer (P) having an acid v... | 07/05/2005 |
| 6911236 | Method for forming a craft coating A method for forming a craft coating on a glass or ceramic substrate is provided. The method generally includes applying a coating composition comprising an acetoacetoxy functional monomer to a glass or ceramic substrate to form a craft coating thereon. The glass or... | 06/28/2005 |
| 6890974 | Powder coating composition containing low temperature curable epoxy resin The present invention relates to a powder coating composition containing a low temperature curable epoxy resin, and more particularly to a powder coating composition containing a low temperature curable epoxy resin, which can be readily cured at a low temperature, t... | 05/10/2005 |
| 6869980 | Polymer blend membranes for use in fuel cells The present invention relates to novel polymer blend membranes comprising a functional polymer based on sulfonated aryl polymers, a reinforcing polymer based on aminated or nitrated polyether sulfones and/or polyether ether sulfone and a plasticizer, and also their ... | 03/22/2005 |
| 6861150 | Rheology control agent, a method of preparing the agent, and a coating composition utilizing the agent The present invention is directed to a rheology control agent. The rheology control agent is used in a coating composition and is the reaction product of a first compound comprising a plurality of hydroxyl groups, of a lactone compound, and of a carbamate compound. ... | 03/01/2005 |
| 6855796 | Curable resin compositions and process for preparing oligomers and polymers having acryloyl groups, substituted methacrylate groups and β-dicarbonyl groups A curable resin composition which exhibits no drawbacks such as yellowing and exhibits excellent hydrolysis sensitivity is provided, and a process for preparing curable oligomers and polymers which has foregoing properties is provided. The composition comprises a cu... | 02/15/2005 |
| 6849696 | Low dielectric constant organic dielectrics based on cage-like structures A low dielectric constant material has a first backbone with an aromatic moiety and a first reactive group, and a second backbone with an aromatic moiety and a second reactive group, wherein the first and second backbones are crosslinked via the first and second rea... | 02/01/2005 |
| 6828353 | Ion-exchange polymers Ion-Exchange polymers for a polymer electrolyte membrane include a moiety of formula (I), and/or a moiety of formula (II), and/or a moiety of formula (III) wherein at least some of the units I, II and/or III are sulphonated. The phenyl moieties in units I, II, and I... | 12/07/2004 |
| 6776930 | Method for preparing light-absorbing polymeric compositions The present invention recites a method comprising reacting in a solvent in the presence of a base a) at least one diacidic monomer comprising about 1 to 100 mole % of at least one light-absorbing monomer having a light absorption maximum between about 300 nm ... | 08/17/2004 |
| 6716956 | Process for preparing polyarylene ethers Disclosed is a process for preparing a polymer of the formula wherein x is an integer of 0 or 1, A is one of several specific groups, such as B is one of several specified gr... | 04/06/2004 |