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| Number | Title | Issue Date |
| 7981974 | Method of making a high molecular weight, monoesterified polyimide polymer The present disclosure relates to a high molecular weight, monoesterified polyimide polymer. One method as described herein relates to making the high molecular weight, monoesterified polyimide polymer. According to its broadest aspect, the method for making the hig... | 07/19/2011 |
| 7425594 | Copolymer of glycidyl ester and/or ether with polyol A copolymer and a process of making the copolymer are disclosed. The copolymer is produced from reacting a glycidyl ester and/or ether with a polyol comprising a functionality of at least 2 wherein at least 50% by weight of the copolymer comprises a minimum of 3n+X ... | 09/16/2008 |
| 7419703 | Thermally curable, thixotropic blends containing carbamate and/or allophanate groups The invention provides heat-curable thixotropic mixtures containing carbamate and/or allophanate groups, including at least one oligomer and/or polymer containing at least one of carbamate and allophanate groups, and at least one thixotropic agent that is a urea der... | 09/02/2008 |
| 7396778 | Method for synthesizing polymeric material, method for forming polymer thin film and method for forming interlayer insulating film A Lewis acid-base reaction is caused, in a solution, between a first monomer corresponding to a Lewis acid and a second monomer corresponding to a Lewis base, so as to generate a monomer adduct in which the first monomer and the second monomer are bonded to each oth... | 07/08/2008 |
| 7390857 | Crosslinkable and crosslinked polymers Crosslinkable polymeric materials are disclosed useful for the temporal stabilization of a poling-induced noncentrosymmetric host lattice containing guest nonlinear optical chromophores. The materials are also suitable as crosslinkable coatings in the absence of chr... | 06/24/2008 |
| 7365148 | Polycarbonate and process for producing the same A polycarbonate containing an ether diol residue producible from a polysaccharide and expressed by the following formula (1), and a diol residue expressed by the following formula (2) —O—(CmH2m... | 04/29/2008 |
| 7365133 | Blends of poly(ester amide) polymers Provided herein is a poly(ester amide) (PEA) polymer blend and coatings and medical devices formed of the blend. ... | 04/29/2008 |
| 7361715 | Polymer additives for powder coatings Star polymers prepared by reacting a highly branched polymer and either a lactone or lactam are disclosed. These star polymers find particular application as additives for powder coating compositions, to improve various performance properties thereof. Powder coating... | 04/22/2008 |
| 7339009 | Cross-linked polyimide and method of making them A cross-linked polyimide is disclosed. The cross-linked polyimide includes a polyimide and at least one oxygenated hydrocarbon. The oxygenated hydrocarbon cross-links the polyimide. A porous cross-linked membrane is also disclosed. The porous cross-linked membrane i... | 03/04/2008 |
| 7259201 | Flame retardant thermoplastic films and methods of making the same A film can comprise greater than or equal to about 95 wt % thermoplastic resin and about 0.001 wt % to about 5.0 wt % sulfonate salt, based on a total weight of the film, and have a UL-94 rating of VTM-0, wherein the thermoplastic resin is selected from the group co... | 08/21/2007 |
| 7256228 | Stabilized polycarbonate polyester composition A stabilized thermoplastic resin composition is disclosed which comprises structural units derived at least one substituted or unsubstituted polycarbonate, at least one substituted or unsubstituted polyester and a combination of at least two quenchers, wherein said ... | 08/14/2007 |
| 7253230 | Method of manufacture of polyester molding compositions and articles produced therefrom A thermoplastic molding composition comprises a resin composition having 50 to about 90 weight percent of a polyester, about 8 to about 48 weight percent of a polyetherimide, about 2 to about 25 weight percent of a high rubber graft impact modifier, each based on th... | 08/07/2007 |
| 7244804 | Polycarbonate copolymer, resin composition, and molded article There are provided a polycarbonate copolymer (A) which has excellent light resistance and heat resistance and comprises an aromatic dihydroxy component comprising 5 to 95 mol % of fluorene-skeleton-containing dihydroxy compound (1) having a specific structure and 95... | 07/17/2007 |
| 7241832 | Biodegradable polymer blends for use in making films, sheets and other articles of manufacture Biodegradable polymer blends suitable for laminate coatings, wraps and other packaging materials are manufactured from at least one “hard” biopolymer and at least one “soft” biopolymer. “Hard” biopolymers tend to be more brittle and rigid and typically h... | 07/10/2007 |
| 7214414 | Biodegradable polymer blends for use in making films, sheets and other articles of manufacture Biodegradable polymer blends suitable for laminate coatings, wraps and other packaging materials are manufactured from a blend of suitable biodegradable polymers, such as at least one “hard” biopolymer and at least one “soft” biopolymer. “Hard” biopolyme... | 05/08/2007 |
| 7199174 | Wide-gap filler material This invention relates to a composition for repairing metallic articles which in its initial state is in the form of an adhesive, self-supporting putty, capable of being molded including 5–15% by weight of a sacrificial binder containing at least one acrylic resin... | 04/03/2007 |
| 7193020 | Film and laminate of the same A film comprising a resin alloy of a liquid-crystalline polyester, a polyimide and an optional inorganic filler is provided. The film is excellent in heat resistance and dimensional stability. ... | 03/20/2007 |
| 7179401 | Thermotropic liquid-crystalline polymer A thermotropic liquid crystalline polymer, which is obtainable by copolymerizing a trifunctional hydroxynaphthalene carboxylic acid represented by the general formula (I) and/or reactive derivative thereof with other polymerizing monomer(s) | 02/20/2007 |
| 7169878 | Diamines, polyimide precursors and polyimides produced by using the diamines, and liquid crystal aligning agents A diamine compound represented by the formula (1): wherein R1 is a trivalent organic group, each of X1 and X2 is a bivalent organic group, X3 is an alkyl or fluoroalkyl... | 01/30/2007 |
| 7169885 | Polyimide membranes The present invention deals with a process for treating a polyimide comprising exposing said polyimide to a compound selected from the group consisting of dendrimers, hyperbranched polymers and mixtures thereof. The polyimide may be in the form of a membrane and the... | 01/30/2007 |
| 7166680 | Blends of poly(ester amide) polymers Provided herein is a poly(ester amide) (PEA) polymer blend and a polymeric coating containing the PEA polymer blend. The PEA polymer blend has a Tg above the Tg of poly(ester amide benzyl ester) (PEA-Bz) or the Tg of poly(ester amide... | 01/23/2007 |
| 7152374 | Composite extrusion for trim seal strip and method for forming same A composite extrusion for an automotive seal strip is formed of an extruded body, and a veneer extruded onto the body. The extruded body is composed of ethylene-propylene diene rubber compound. The veneer is composed of a polymer blend that includes the reaction pro... | 12/26/2006 |
| 7148314 | Process for preparation of functionalized polyimides A method for preparation of a sulfonic and or sulfonic acid salt containing polyimide resins comprising melt reaction of a polyimide resin with an organic compound, wherein the organic compound contains at least one aliphatic primary amine functionality and at least... | 12/12/2006 |
| 7115681 | Resin composition The present invention provides a resin composition comprising a polyimide containing particular dianhydride and diamine, and an epoxy resin. The resin composition can be bonded at a relatively low temperature, has excellent heat resistance, adhesion property, solder... | 10/03/2006 |
| 7098267 | Polyamic acid varnish composition and a flexible printed board A polyamic acid varnish composition, which is composed of a polyamic acid obtained by the addition polymerization of an diamine and an aromatic acid dianhydride, contains as an additive a specific imidazolyl-diaminoazine. ... | 08/29/2006 |
| 7053168 | Method for preparing polyimide and polyimide prepared thereby A method for preparing a polyimide includes introducing a mixture of an oligomer and a solvent to an extruder, removing solvent via at least one extruder vent, and melt kneading the oligomer to form a polyimide. The polyimide has a low residual solvent content. The ... | 05/30/2006 |
| 7041773 | Polyimide sulfones, method and articles made therefrom Polyimide sulfone resins are provided with a glass transition temperature of from 200–350° C., residual volatile species concentration of less than 500 ppm and a total reactive end group concentration of less than about 120 milliequivalents/kilogram resin. The re... | 05/09/2006 |
| 7033675 | Polyarlketone resin film and a laminate thereof with metal A film of a resin composition comprising total 100 parts by weight of a crystalline polyarylketone resin (A) and a noncrystalline polyetherimide resin (B), and 5 to 50 parts by weight of a filler, said film satisfies the following relation Tc(A | 04/25/2006 |
| 7022768 | Thermoplastic polyesters with improved shock-proof properties and impact modifying composition The invention concerns thermoplastic polyesters (such as PET or PBT) comprising, by weight, the total being 100%: 60 to 99% of thermoplastic polyester; 1 to 40% of impact modifier comprising: (a) a core-shell copolymer (A), (b) an ethylene copolymer (B) selected amo... | 04/04/2006 |
| 7022810 | Proton exchange membrane materials for the advancement of direct methanol fuel-cell technology A new class of hybrid organic-inorganic materials, and methods of synthesis, that can be used as a proton exchange membrane in a direct methanol fuel cell. In contrast with Nafion® PEM materials, which have random sulfonation, the new class of materials have ordere... | 04/04/2006 |
| 6977057 | Embossing process A method for manufacturing an embossed surface including a polymer composition having reactive moieties and a first glass transition temperature of Tg1. The method includes embossing the surface at temperature Temb; and raising the first glass ... | 12/20/2005 |
| 6967045 | Integrated composite structural conduit formed in place A composite, chemically integrated material structure bearing load around a close-loop structural configuration in cross-section, has a plurality of regions through the cross-sectional thickness imparting at selectively predetermined locations within the cross-secti... | 11/22/2005 |
| 6955712 | Proton-conducting polymer with acid groups in side chains, preparation method thereof, polymer membrane manufactured using the polymer, and fuel cell using the polymer membrane A proton-conducting polymer, a preparation method thereof, a polymer membrane manufactured from the proton-conducting polymer, and a fuel cell having the polymer membrane are provided. The proton-conducting polymer contains an acid-bearable aromatic group covalently... | 10/18/2005 |
| 6949618 | Polymer compound, precursor for the same and thin film-forming method using the same polymer precursor Provided are polyimide and a thin film thereof which have a three-dimensional structure and therefore are excellent in a mechanical strength and a heat resistance as compared with those of conventional linear polyimide. The polyimide is obtained from a salt of multi... | 09/27/2005 |
| 6949619 | Phenolic hydroxyl-bearing polyimide resin, making method and polyimide resin composition A polyimide resin having phenolic hydroxyl radicals in its skeleton is prepared using a diamine bearing an aromatic ring having an amino radical attached thereto and another aromatic ring having a phenolic hydroxyl radical. The polyimide resin and a composition comp... | 09/27/2005 |
| 6927274 | Resin compositions, processes for preparing the resin compositions and processes for forming resin films Polyimide precursors contained in resin compositions of the present invention have a polymer structure unit represented by formula (1) below: wherein chemical structure A2 includes an alicyclic compound but ... | 08/09/2005 |
| 6919422 | Polyimide resin with reduced mold deposit A polyimide composition and a process to prepare polyimide resins with reduced plate out and mold deposits is described. During resin molding operations the low plate out resins show a longer period of operation between cleaning of equipment leading to more efficien... | 07/19/2005 |
| 6919404 | Hybrid polymer materials for liquid crystal alignment layers The present invention provides novel hybrid polymer optical alignment layers for inducing alignment of a liquid crystal medium. Hybrid polymers of this invention are prepared from at least one component selected from the group consisting of monomer, macromonomer and... | 07/19/2005 |
| 6919418 | Approach to reduce cyclics formation in 3-CIPA based polyetherimide polymers Methods of reducing the amount of undesirable cyclic oligomer by-products in the production of polyetherimides are disclosed. The resulting polyetherimides have enhanced thermomechanical properties. ... | 07/19/2005 |
| 6911519 | Low viscosity melt processable high temperature polyimides A series of low melting and low viscosity phenylethynyl end-capped polyimides (PETIs) possessed of long term thermal and mechanical stability useful as films, melt coatings, adhesives, matrix and RTM resins and particular as coatings for optical fibers and phenyleth... | 06/28/2005 |
