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| Number | Title | Issue Date |
| 7335690 | Crosslinkable hydrophilic materials from polymers having pendent Michael donor groups The present invention provides crosslinkable compositions useful in the preparation of hydrophilic gels, and are prepared from polymers having pendent hydrophilic groups, and pendant Michael donor groups, and crosslinked by polyacryl Michael acceptor compounds. ... | 02/26/2008 |
| 7332253 | Negative-working radiation-sensitive compositions and imageable materials A radiation-sensitive composition and negative-working imageable element includes a polymeric binder comprising pendant allyl ester groups to provide solvent resistance, excellent digital speed (sensitivity) and can be imaged and developed without a preheat step to ... | 02/19/2008 |
| 7309758 | Polybenzimidazole compounds, polymeric media, and methods of post-polymerization modifications A PBI compound includes imidazole nitrogens at least a portion of which are substituted with a moiety containing a carbonyl group, the substituted imidazole nitrogens being bonded to carbon of the carbonyl group. At least 85% of the nitrogens may be substituted. The... | 12/18/2007 |
| 7307106 | Photocurable Michael addition polymers A curable composition is described comprising a Michael donor component, a polyacryl component, and a monoacryl component, where at least one of the Michael donor or monoacryl components comprises a pendent photoinitiator group. A Michael addition polymer that is th... | 12/11/2007 |
| 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 |
| 7183372 | Preparation of ketone-formaldehyde resins A process for preparing ketone-formaldehyde resins, especially acetophenone- and cyclohexanone-formaldehyde resins, having a low water content and high thermal stability and yellowing resistance, and a process for their production and their use. ... | 02/27/2007 |
| 7144949 | Synthetic method for conducting polymer nanofibers Polymer nanofibers, such as polyaniline nanofibers, with uniform diameters less than 500 nm can be made in bulk quantities through a facile aqueous and organic interfacial polymerization method at ambient conditions. The nanofibers have lengths varying from 500 nm t... | 12/05/2006 |
| 7071282 | Benzimidazole diamine-based polyetherimide compositions and methods for making them Disclosed herein are polyetherimide compositions comprising structural units of the formula: derived from at least one benzimidazole diamine, wherein R1 and R2 are independently selected fro... | 07/04/2006 |
| 7030206 | Polymer electrolyte and proton-conducting membrane To provide a sulfonic acid group-containing polymer having improved hot water resistance and radical resistance (durability), a solid polymer electrolyte including the polymer, and a proton-conducting membrane including the electrolyte, the polymer electrolyte inclu... | 04/18/2006 |
| 6974855 | Polyimides by photochemical cyclopolymerization The novel polyimides of this invention are derived from Diels-Alder cyclopolymerization of photochemically generated bisdienes with dienophiles, such as bismaleimides, trismaleimides and mixtures thereof with maleimide end-caps. Irradiation of one or more diketones ... | 12/13/2005 |
| 6790930 | Process for producing polyimide resin The present invention provides a method for easily producing a high-molecular weight polyimide resin at high yield by drying and heating a mixture mixed by material monomers of polyimide. ... | 09/14/2004 |
| 6770733 | Polyimide copolymer A film-formable polyimide copolymer, which comprises two kinds of tetracarboxylic acid dianhydride consisting of (A) pyromellitic acid dianhydride and (B) 3,3′,4,4′-benzophenonetetracarboxylic acid dianhydride, and (C) 6-amino-2-(p-aminophenyl)benzimidazole has ... | 08/03/2004 |
| 6593389 | Polyimides by photochemical cyclopolymerization The polyimides of this invention are derived from a Diels-Alder cyclopolymerization of a photochemically generated bisdiene with dienophiles, such as bismaleimides, trismaleimides and mixtures thereof with maleimide end-caps. Irradiation of one or more di... | 07/15/2003 |
| 6590067 | Modification of polymers with basic N-groups and ion exchange groups in the lateral chain A method for lateral chain modification of aryl main chain polymers with aromatic ketones or aldehydes containing tertiary basic N-groups is described. The modification can be accomplished via addition of an aromatic carboxylic acid or an acid derivative ... | 07/08/2003 |
| 6586561 | Rigid rod ion conducting copolymers Sulfonated polyimide polymers incorporating bulky monomers are disclosed. The polymers have a liquid crystalline structure and exhibit high conductivity, high water uptake and water stability over a range of relative humidities and temperatures. The polym... | 07/01/2003 |
| 6573357 | Process for the preparation of ketimine curing agents The present invention relates to a process for the production of aliphatic ketimines having a polyalkylenepolyamine content of less than 1% by weight from the corresponding aliphatic ketones and polyalkylenepolyamines comprising the steps of: (a) forming ... | 06/03/2003 |
| 6323301 | High performance UV and heat crosslinked or chain extended polymers Disclosed is a composition comprising a polymer with a weight average molecular weight of from about 1,000 to about 100,000, said polymer containing at least some monomer repeat units with a first, photosensitivity-imparting substituent which enables cros... | 11/27/2001 |
| 6309527 | Thermosetting resinous binder compositions, their preparation and use as coating materials The invention relates to thermosetting resinous binder compositions comprising a cationic resin (1) and a cross-linking agent (2), wherein the cationic resin (1) is an epoxy resin/amine adduct with on average more than one primary amine group, and the cro... | 10/30/2001 |
| 6265588 | Isoxazole and crotonamide derivatives and their use as pharmaceuticals and diagnostics A compound of the formula ##STR1## where R1 is the radical of the formula II or III ##STR2## is suitable for the production of a pharmaceutical for the treatment of inflammations, carcinomatous diseases, or autoimmune diseases. A compound ... | 07/24/2001 |
| 6235868 | Porphyrinogenic resin systems and polymers derived therefrom Polymerisable resins which comprise a porphyrinogenic ring system obtained by the reaction of: (a) one or more compounds selected from the group consisting of pyrrole and N-(lower)alkyl pyrroles, any of which may be optionally substituted, and (b) a C4 | 05/22/2001 |
| 6211326 | Method for the production of polyester imides containing carboxyl- and hydroxyl groups and their usage in wire enamels The invention relates to a process for preparing hydroxyl- and carboxyl-containing polyesterimide resins, comprising as monomeric components: (A) imide-forming compounds having at least two primary amino groups and/or at least two isocyanate groups or imi... | 04/03/2001 |
| 6203143 | Hydroxyalkylated high performance curable polymers Disclosed is a composition which comprises (a) 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 polyme... | 03/20/2001 |
| 6140462 | Oxidative/reductive methods of deaggregation of electrically conductive polymers and precursors thereof and methods of fabricating articles therewith The present invention is directed to oxidative and reductive methods of fabricating electrically conducting polymers and precursors thereof in particular polyanilines in which the polymer chains are deaggregated. Such deaggregated conducting polymers and ... | 10/31/2000 |
| 6114493 | Phosgenated oxime resins and their preparation This invention relates to methods for preparing novel, solid-phase transfer reagents, specifically phosgenated oxime resins and non-symmetrical ureas, that are useful as supports in combinatorial synthesis for the creation of libraries of compounds for le... | 09/05/2000 |
| 6087414 | Process for direct substitution of high performance polymers with unsaturated ester groups 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##... | 07/11/2000 |
| 6034206 | Polyaryleneamines and a process for their production A novel class of polyaryleneamines improved in physical and chemical properties, particularly in heat resistance and solvent resistance, and a process for producing the same are disclosed: said polymers having tertiary arylamino units bound in series.... | 03/07/2000 |
| 5986038 | Adhesive composition An adhesive composition comprising a fluorinated elastomer having dicyclopropane rings formed by reaction of chloroform with unsaturated bonds introduced into the molecule of fluorinated elastomer by an alkali treatment, as an adhesive component has a goo... | 11/16/1999 |
| 5955563 | Water soluble polyketones A polyketone is provided wherein the polyketone is water soluble and curable. A method to make a such a polymer is also disclosed, the method including the steps of: providing a polyketone, the polyketone comprising 1,4-diketone units; contacting the poly... | 09/21/1999 |
| 5955564 | 1,5(8)-bis (substituted-N-propylamino)-4,8(5)-bis(arylthio)anthraquinone compounds This invention relates to new blue anthraquinone colorants having Formula I ##STR1## wherein R and R1 are the same or different and are selected from hydrogen and unsubstituted or substituted C1-C6 alkyl, C3-C7 cycloalkyl 2-furyl, 2-thienyl, or pheny... | 09/21/1999 |
| 5939510 | Undercoating composition for photolithographic resist Proposed is a novel undercoating composition to form an undercoating layer interposed between the surface of a substrate and a photoresist layer with an object to decrease the adverse influences by the reflection of light on the substrate surface in the p... | 08/17/1999 |
| 5932688 | Polybenzimidazole material with low metallic concentration and a process for production thereof An improved polybenzimidazole wherein the total concentration of metals other than alkali metal and alkaline earth metals is 10 ppm or less. The resulting polybenzimidazole is industrially useable in parts or components of apparatus for the manufacture of... | 08/03/1999 |
| 5914388 | Synthesis polyphosphazenes with controlled molecular weight and polydisperity A process for the preparation of polyphosphazenes is provided that includes the cationic solution polymerization reaction of a phosphoranimine, using a main group or transition metal halide, or other appropriate halide salt, including a linear phosphazene... | 06/22/1999 |
| 5902876 | Polybenzimidazole compounds in solution and a process for the preparation thereof Improved process for producing a polybenzimidazole compound in solution by dissolving a fully dried polybenzimidazole of the following general formula (1) or (2) in N,N-dimethylacetamide of a sufficiently reduced water content at an elevated temperature o... | 05/11/1999 |
| 5898062 | Poly (organophosphazene) hydrogels Poly (organophosphazene) polymers bearing various ratios of a carboxylic acid containing sidegroup and an alkylamino, alkoxy, or alkoxy ether sidegroup are disclosed. These water-soluble macromolecules are cross-linked and allowed to absorb water to form ... | 04/27/1999 |
| 5854385 | Coating compositions with low molecular weight carbamate or urea component A coating composition is disclosed that includes: (A) a multi-functional compound having (1) at least one carbamate or urea functional group, (2) at least one other functional group which may or may not be carbamate or urea, and (3) at least one hydrogen bond accep... | 12/29/1998 |
| 5852160 | Phosgenated oxime resins and their preparation This invention relates to methods for preparing novel, solid-phase transfer reagents, specifically phosgenated oxime resins and non-symmetrical ureas, that are useful as supports in combinatorial synthesis for the creation of libraries of compounds for le... | 12/22/1998 |
| 5852161 | Process for the preparation of undoped polyaniline via para-haloaniline An improved method for the synthesis of low molecular weight polyaniline provides for heating a para-haloaniline in the presence of a high-boiling organic solvent and a vanadium catalyst. A neutral polyaniline can be synthesized by removing hydrogen halid... | 12/22/1998 |
| 5840825 | Gas barrier coating compositions containing platelet-type fillers Disclosed is a gas barrier coating and multilayer packaging materials made therefrom. The gas barrier coating includes a polyamine (A), a polyepoxide (B), and a filler (C). Polyamine (A) includes at least one of the following: (a) an initial polyamine, an... | 11/24/1998 |
| 5714563 | One-part, low viscosity, moisture curable composition A one-part, low viscosity, moisture curable composition which exhibits excellent shelf stability in the absence of water, but which quickly cures at ambient conditions upon exposure to moisture in the air is a substantially anhydrous mixture containing an... | 02/03/1998 |
| 5712363 | Oligomeric sterically hindered polyamine crosslinkers and coating compositions containing the same The present invention relates to coating compositions including a particular class of oligomeric sterically hindered polyamines as replacements for traditional blocked and unblocked polyamine crosslinkers. The use of these oligomeric sterically hindered p... | 01/27/1998 |
