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)
02/1992
02/11/1992US5087550 Radiation-sensitive mixture and use thereof
02/11/1992CA2048595A1 Transparent thermoplastic polyetherester amidimide elastomers and their use for the production of articles of medical use
02/11/1992CA1295776C Polyimide
02/11/1992CA1295774C Auto-photocrosslinkable copolyimides and polyimide compositions
02/08/1992CA2046795A1 High temperature mixed polyimides and composites formed therefrom
02/06/1992WO1992001730A1 Novel polyamines and method for preparation thereof
02/06/1992WO1992001729A1 Method of preparing polyether polyamines
02/06/1992WO1992001678A1 Heat resistant polyimide - benzoxazole polymers and composites thereof
02/06/1992WO1992001477A1 Polymeric drug delivery system
02/06/1992WO1992000341A3 Preparation of polybenzoxazoles from halogenated polyamide anions
02/06/1992CA2086527A1 Polymeric drug delivery system
02/05/1992EP0469891A1 Process for the production of improved polyaminopolyamide epichlorohydrin resins
02/05/1992EP0469684A1 Polyimide compositions
02/04/1992US5086154 Compression molding shapes
02/04/1992US5086139 Composition comprising bisimide and triene
02/04/1992US5085669 Process for stabilizing a leuco-dye solution by means of a piperidine derivative
02/04/1992CA1295437C2 Amphiphilic polyimide precursor and process for preparing the same
01/1992
01/31/1992CA2047952A1 Polyimide compositions
01/28/1992US5084557 Polyimides based on a 2,2-bis/p-/p-aminophenoxy/phenylalkane; a high pretilt angle for supertwisting nematic mode display cells
01/28/1992US5084507 Thermosetting resin composition
01/28/1992US5084345 Laminates utilizing chemically etchable adhesives
01/28/1992CA1295079C Polymers with imide groups made from hindered amines, and process for their preparation
01/28/1992CA1294863C Process for preparation of tooling for composites manufacture
01/23/1992WO1992001014A1 Polyimides and compositions for their preparation
01/22/1992EP0467796A1 Imid groups containing polymers and their process of preparation
01/22/1992EP0467561A2 Photosensitive resin composition for forming a polyimide film pattern
01/22/1992EP0466905A1 Solid polymer electrolytes
01/22/1992EP0466766A1 Conductive polymer-maleimide blends and method of producing same
01/21/1992US5082923 High glass transition temperature
01/21/1992US5082920 Isoimide, dihydroxy compound, tri-or-poly hydroxy aromatic
01/21/1992US5082905 Blended heterocycles
01/21/1992US5082527 Nitrogen-containing polymeric compounds
01/21/1992CA1294731C Copolymeric and amphiphilic polyimide precursor, process for preparing the same and thin film
01/21/1992CA1294730C Polymers with imide groups made from bis-imides and alkenyloxyanilines
01/15/1992EP0466680A1 Flame retardant, high temperature resistant polyimide foam
01/15/1992EP0466616A1 Limpid poly(imide-amide) solutions at room temperature and stable when stored and their method of preparation
01/15/1992EP0465858A1 Method for manufacturing a polyimide
01/15/1992EP0439578A4 Process for the production of trimellitic anhydride with improved color
01/14/1992USRE33797 Reaction of a disiloxane, a diamine and a dianhydride
01/14/1992US5081315 Nitro-substituted, amine intermediates for monomers for heat resistant polyamides or polyimides
01/14/1992US5081229 Copolyerizing 4,4*-diaminodiphenyl ether, P-phenylenediamine and aromatic tetracarboxylic dianhydride
01/14/1992US5081217 Curable resins with low dielectric constants
01/14/1992US5081207 Poly pyrrole from co/olefin terpolymer
01/14/1992US5081198 Diels-Alder Adducts With Aromatic Bisethynyl Compounds
01/14/1992US5081196 Terminal-modified aromatic imide oligomer composition
01/14/1992US5080938 Liquid crystal display element
01/13/1992CA2046090A1 Flame-retardant, high-temperature resistant foams of polyimides
01/10/1992CA2046477A1 Ambient temperature clear polyimide-polyamide solutions remaining stable during storage and process for obtaining same
01/09/1992WO1992000341A2 Preparation of polybenzoxazoles from halogenated polyamide anions
01/08/1992EP0465302A1 Precursors of isocyanurate polymers having hydroxyl, urethane, isocyanate or acrylate groups, and process for their preparation
01/08/1992EP0464940A1 Modified bismide composition
01/08/1992EP0464371A1 Polyamic acid structures, and methods of fabrication thereof
01/07/1992US5079338 Thermosetting bis(isoimide) resin composition
01/07/1992US5079334 Electromagnetic radiation absorbers and modulators comprising polyaniline
01/07/1992US5079294 Rubber-modified cyanate ester resins and polytriazines derived therefrom
01/07/1992US5079081 Reaction product of hydrocarbyl substituted carboxylic acid or anhydride and a sulfo compound
01/07/1992CA2044573A1 Polyamic acid structures, and methods of fabrication thereof
01/07/1992CA1293842C Conductive articles of intractable polymers and methods for making the same
01/03/1992WO1992000353A1 Shaped articles containing copolymers of polybenzazoles
01/03/1992CA2086555A1 Shaped articles containing copolymers of polybenzazoles
01/02/1992EP0463184A1 Resin for protecting semiconductors
01/02/1992EP0454793A4 Thermoplastic polyimide and polyketone elastomers
01/01/1992CN1057460A Process of preparing linearly-extended polyalkylenepolyamines employing metal silicate catalysts
12/1991
12/31/1991US5077415 Disubstituted aromatic dianhydrides
12/31/1991US5077383 Improved physical and chemical properties
12/31/1991US5077382 Copolyimide odpa/bpda/4,4'-oda or p-pda
12/31/1991US5077380 Mesogenic cyanate functional maleimides and thermosets thereof
12/31/1991US5077370 Novel polyimidesiloxanes and methods for their preparation and use
12/31/1991US5077363 Heat-curable bismaleidmide/alkenyl phenol/n-vinyl pyrrolidone resin
12/31/1991US5077318 Method for producing polyimide foam of desired density
12/31/1991US5076816 Polyimide containing 2-methyl-3,5-diaminobenzoic acid units
12/30/1991CA2045832A1 Modified bisimide compositions
12/27/1991EP0462282A1 Polyimide molding
12/25/1991CN1057273A Process for producing semi-ordered polyamides-imides
12/24/1991US5075456 Monomers for acrylic esters; photoresists, prepregs
12/24/1991US5075421 Antiozonants, curing agent
12/24/1991US5075419 Polyimidazolopyrrolone
12/24/1991US5075410 Imide/epoxy thermosetting compositions
12/24/1991US5075392 Thermoplastic compositions containing polybenzoxazole, polybenzothiazole and polybenzimidazole moieties
12/24/1991US5074891 Using aromatic fluorine-containing polyimide
12/23/1991WO1992000271A1 Process of preparing linearly-extended polyalkylenepolyamines employing metal silicate catalysts
12/23/1991CA2085999A1 Process of preparing linearly-extended polyalkylenepolyamines employing metal silicate catalysts
12/18/1991EP0462069A2 Novel piperidine-triazine co-oligomers for use as stabilizers for organic materials
12/18/1991EP0461206A1 Synthetic polyamides and their salts.
12/18/1991EP0461182A1 Thermally stable forms of electrically conductive polyaniline.
12/17/1991US5073635 Process of preparing linearly-extended polyalkylenepolyamines employing metal silicate catalysts
12/17/1991US5073607 Polyimide compositions containing polyorganosiloxane for improving atomic oxygen resistance
12/17/1991CA1293255C Water addition to enchance phosphoric acid salt catalytic activity
12/10/1991US5072046 Bis-[aminophenyl ketones] compounds
12/10/1991US5072003 Acid anhydrides and dianhydrides of disubstituted maleic anhydrides
12/10/1991US5071997 Polyimides comprising substituted benzidines
12/10/1991US5071948 Polyamide-polyimide and polybenzoxazole-polyimide polymer
12/10/1991US5071947 Preparation of denatured bismaleimide di secondary diamine resin
12/10/1991US5071941 Multidimensional ether sulfone oligomers
12/10/1991US5071929 Thermoset resin composition
12/10/1991US5071908 Crosslinking a polyamic acid modified by an amine-containing silane by a silicon compound; hard, tough films; heat resistance; adhesion
12/10/1991US5071524 Process for the preparation of electrically conductive polyheteroaromatics
12/10/1991US5071452 Polyimide containing tetracarboxylic benzydrol acid
12/04/1991EP0459809A1 Polyimidosiloxane resin and composition thereof and method of applying same
12/04/1991EP0459801A2 Readily processable polyimide and preparation process of same