Patents
Patents for C08G 73 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen or carbon, not provided for in groups (26,191)
11/1997
11/12/1997EP0235294B1 Polyimides and heat-resistant adhesives comprising the same
11/11/1997US5686589 Esters and amides of substituted phenyl and pyridyl amino carboxylates
11/11/1997US5686560 Polyquinazolines and methods for their preparation
11/11/1997US5686559 Poly(imide-amic ester), process for preparing the same, and processes for preparing polyimide film and polyimide fiber from the same
11/11/1997US5686558 Liquid crystal orientation film and a liquid crystal display element
11/11/1997US5686525 Polyimide precursor composition and the production of said polyimide precursor composition
11/11/1997US5686191 Polyimide adhesive, elasticity
11/11/1997US5686136 Amino-quinones, and their use in providing corrosion resistance to metals
11/11/1997US5686066 Polyaspartic acid Zwitterionic derivatives, preparation processes thereof, hair-treating compositions and cosmetic compositions
11/11/1997CA2099221C Dental material
11/05/1997EP0805173A1 Method for production of polybenzazole
11/05/1997EP0804639A1 Process for preparing polybenzazole filaments and fiber
11/05/1997CN1036347C Continuous thermal polycondensation process for preparing polymers
11/04/1997US5684119 Yarns and fibers
11/04/1997US5683744 Process for the preparation of a porous material layer covered with an electronically conductive polymer and the product obtained by this process
11/04/1997US5683584 Hollow fiber membranes and method of manufacture
11/04/1997CA1339530C Polyolefinic succinimide polyamine alkyl acetoacetate adduct dispersants
10/1997
10/30/1997WO1997040088A1 Process for producing finely divided, water-insoluble aziridine polymers
10/30/1997WO1997040087A1 Process for preparing water-soluble, polyamino polycarboxylic acids
10/30/1997DE19616120A1 Verfahren zur Herstellung von feinteiligen wasserunlöslichen Polymerisaten von Aziridinen, modifizierte, wasserunlösliche Polymerisate von Aziridinen und ihre Verwendung Process for the preparation of finely divided water-insoluble polymers of aziridines, modified, water-insoluble polymers of aziridines and their use
10/30/1997DE19615128A1 Konjugierte Polymere mit Hetero-Spiroatomen und ihre Verwendung als Elektrolumineszenzmaterialien Conjugated polymers with hetero-spiro atoms and their use as electroluminescence
10/29/1997EP0802942A1 Biologically degradable polymers, process for manufacturing the same and the use thereof for producing biodegradable moulded articles
10/29/1997EP0802941A1 Biologically degradable polymers, processes for manufacturing the same and the use thereof for producing biodegradable moulded articles
10/29/1997EP0802940A1 Biologically degradable polymers, processes for manufacturing the same and the use thereof for producing biodegradable moulded articles
10/29/1997EP0802939A2 Biologically degradable polymers, processes for manufacturing the same and the use thereof for producing biodegradable moulded articles
10/29/1997EP0736057B1 MELT-PROCESSIBLE POLYIMIDES WITH HIGH Tg
10/28/1997US5681967 Phenylethynyl phthalic anhydride
10/28/1997US5681921 Cyclization of perfluoroalkyleneetherpolyimidoylamizine oligomer with a perfluoroacylating agent
10/28/1997US5681920 Process for production of a polysuccinimide and derivatives thereof
10/28/1997US5681862 Ionene polymers as microbicides
10/28/1997US5681659 Organometallic fluorescent complex polymers for light emitting applications
10/28/1997US5681656 Polyamide-imide fibers for a bag filter
10/28/1997US5681544 Polymer-bonded complexing agents, their complexes and conjugates, processes for their production and pharmaceutical agents containing them
10/28/1997US5681543 Polymer-bonded complexing agents and pharmaceutical agents containing them for MRI
10/23/1997WO1997039082A1 Conjugated polymers with hetero spiro-atoms and their use as electroluminescent materials
10/23/1997WO1997039045A1 Polymers with spiro atoms and their use as electroluminescent materials
10/23/1997DE19614971A1 Polymere mit Spiroatomen und ihre Verwendung als Elektrolumineszenzmaterialien Polymers having spiro atoms and their use as electroluminescence
10/22/1997EP0802215A1 Highly branched polyamidoamines and their preparation
10/22/1997EP0802214A1 Water soluble resins and application thereof to paper coating
10/22/1997EP0801645A1 Low-color polyaspartic acid and salts thereof
10/22/1997CN1162604A Polymer, preparation processes thereof, hair-treating compositions and cosmetic compositions
10/22/1997CN1162603A Process for preparation of polymers having recurring succinyl units
10/21/1997US5679763 Polyquinoline-based nonlinear optical materials
10/21/1997US5679761 For inhibiting salt precipitation in aqueous systems; builders for detergents
10/21/1997US5679717 Method for removing bile salts from a patient with alkylated amine polymers
10/21/1997CA2001496C Polyimides and process for the preparation thereof
10/16/1997WO1997038037A1 Polyamide compositions and related methods
10/15/1997EP0801110A2 Resin bodies comprising a combination of thermoplastic and thermoset resin
10/15/1997EP0800706A1 Forming polyimide coatings by screen printing
10/15/1997EP0800547A1 Decolorization of polysuccinimide
10/15/1997EP0800546A1 Cross-linked polyaspartic acid and salts
10/15/1997CN1162323A Nitrogenous polymers used as electroluminescent materials
10/15/1997CN1162246A Ionene polymers containing biologically-active anions
10/15/1997CN1161905A Medlin-metal-foil composite film
10/14/1997US5677417 Tetraaroxyperylene-3,4,9,10-tetracarboxylic polyimides
10/14/1997US5677394 Melt-processable block copolyesterimide and method for manufacturing it
10/14/1997US5677393 Heat-resistant film adhesive for use in fabrication of printed circuit boards and process for using the same
10/14/1997US5677384 Grafted polyamidoamines and grafted polyethyleneimines, preparation thereof, and use thereof as detergent additives
10/14/1997US5676939 Polyamines and method for preparation thereof
10/12/1997CA2202415A1 Water soluble resins and application thereof to paper coating
10/09/1997WO1997037274A2 Process and materials for aligning liquid crystals and liquid crystal optical elements
10/09/1997WO1997037273A2 Process and materials for inducing pre-tilt in liquid crystals and liquid crystal displays
10/08/1997EP0799698A2 Printing device
10/08/1997EP0799289A1 Synthetic lubricant antioxidant from monosubstituted diphenylamines
10/08/1997EP0799270A1 Polyamic acid, polyimide film and liquid crystal aligning film and liquid crystal display element
10/08/1997EP0799016A1 Polymerizable compounds and compositions
10/08/1997EP0691978B1 Electronically conductive polymer/nucleotide copolymer, preparation method therefor and use thereof
10/08/1997EP0656025B1 Solution for coating non conductors with conductive polymers and their metallization process
10/08/1997CN1161691A Conjugated N-fluoropyridinium salt polymer and use thereof
10/07/1997US5675020 Chemical intermediates for preparing aromatic polyimides
10/07/1997US5674969 Rigid rod polymer based on pyridobisimidazole
10/07/1997US5674629 Homo- and copolymers of 4,4'-hexafluoroisopropylidene/bisphthalic acid and a metadiaminobenzene having a dense skin and porous substructure; hollow fiber membranes; heat resistance
10/07/1997US5674614 Varnish-coated electric wire and method of producing the same
10/07/1997US5674575 Scratch resistant aromatic polyimides; durability, adhesion
10/01/1997EP0700573B1 Dispersible, intrinsically conductive polymer powder and process for producing it
09/1997
09/30/1997CA2086030C Enhancement of paper dry strength by anionic and cationic guar combination
09/25/1997WO1997035067A1 Antifoam compositions containing polymers and methods of use thereof
09/25/1997WO1997034889A1 N-aminoalkyldibenzothiophenecarboxamides; dopamine receptor subtype specific ligands
09/24/1997EP0796283A1 Emulsion-polymerization process and electrically-conductive polyaniline salts
09/24/1997CN1160409A Process for producing oligoamines or polyamines
09/23/1997US5670609 Polyimide films from pyromellitic dianhydride and 2-2'-bis(perfluoroalkoxy)benzidines as alignment layers for liquid crystal displays
09/23/1997US5670607 Stable films formed by reaction of aniline in acid solution in the presence of oxidizers then reaction to form dioctyl sulfosuccinate salt precipitated
09/23/1997US5670603 Polymers exhibiting nonlinear optical properties
09/23/1997US5670590 Curable polyoxazolines with initiators for electronics, adhesives, sheets and fiber optic connectors
09/23/1997US5670564 Macromonomers having reactive end groups
09/23/1997US5670480 Method of making polymers having specific properties
09/23/1997US5670262 High strength films as dielectric layers
09/23/1997US5670256 Melt extrusion from powder
09/23/1997US5670231 Clutch facing
09/23/1997US5670052 Crosslinked membrane
09/18/1997WO1997033933A1 Bismaleimide resins containing less than 0.1 wt % free aromatic diamine
09/18/1997WO1997033700A1 Rendering underwater surfaces resistant to fouling
09/17/1997EP0794976A1 Flame retardant polyamide composition
09/17/1997EP0794948A1 Process for the preparation of condensation products of melamine
09/17/1997EP0652906B1 Method of modifying polymers
09/17/1997CN1035880C Process for preparing polysuccinimides using a rotary tray dryer
09/16/1997US5668248 Polyamic acid esters
09/16/1997US5668247 Thermoplastic polyimide, polyamide acid, and thermally fusible laminated film for covering conductive wires
09/16/1997US5668246 Epichlorohydrin quaternized polyaminoamide
09/16/1997US5668245 Polymers with heterocyclic side groups