Patents
Sitemap › C08 - Organic macromolecular compounds; Their preparation or chemical working-up; Compositions based thereon › C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds › 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
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)
11/1990
11/27/1990CA1277084C Resins from phenolics and oxazolines using phosphorous acid esters as catalysts
11/26/1990CA2016266A1 Process for forming end-capped polyamic acids polyimides
11/24/1990CA2016833A1 Method of treating fibrous materials
11/22/1990EP0398205A2 Polyimides and co-polyimides based on dioxydiphthalic anhydride
11/22/1990EP0398069A2 High-molecular weight polycarbodiimide solution and methods for producing the same
11/21/1990CN1047090A Imide prepolymers cured products, method for making, laminate preparation, and encapsulating compositions
11/21/1990CN1047078A Polyamines and polypetides useful as anta-gonists of excitatory amino acid neuro-transmitters and/or as blockers of calcium channels
11/20/1990US4971873 Solvent soluble polyimides as binders in photoconductor elements
11/20/1990CA1276746C Copolyimides with a combination of flexibilizing groups
11/18/1990CA2017108A1 Polyimide oligomers and blends and method of curing
11/15/1990WO1990013544A1 Polymerizable pyrrolidonyl oxazoline monomers, homopolymers and copolymers
11/15/1990CA2015163A1 Polyimides and co-polyimides based on dioxydiphthalic anhydride
11/14/1990EP0397582A1 Imide groups containing polymers made from hindered diamines
11/14/1990EP0397581A1 Imide groups containing polymers made from maleimides (of which one is a bismaleimide siloxane), and aromatic diamines and process of preparation
11/14/1990EP0397153A2 Chiral smectic liquid crystal device
11/14/1990EP0397023A2 Crosslinkable polyimides from bis (aminophenoxy) benzonitriles
11/14/1990EP0397022A2 Polyimide-Polyamide polymers having fluorine-containing linking groups
11/14/1990EP0397021A2 Polyimide polymers having 12-F fluorine-containing linking groups
11/13/1990US4970292 Amide-imide resin of lowered water absorption for molding and composite applications
11/13/1990US4970289 Imide-based prepolymer and varnish prepolymers with radical scavenger
11/13/1990US4970283 Silicon-containing soluble polyimide precursor, its cured material, and method for preparing them
11/13/1990US4970278 Method of preventing polymer scale deposition
11/13/1990US4970276 Phenolic triazine copolymers based on pure cyanato novolacs
11/13/1990US4970211 Ionene polymeric compositions, their preparation and use
11/13/1990CA1276380C Partially hydrolyzed, poly (n-acylalkylenimines) in personal care
11/13/1990CA1276368C Polyimides, a process for their preparation and their use, and tetracarboxylic acids and tetracarboxylic acid derivatives
11/13/1990CA1276164C Urethanes which contain perfluoroalkyl groups, epichlorohydrin groups and dialcohol radicals, the preparation and use thereof
11/08/1990CA2016188A1 Polyimide polymers having 12-f fluorine-containing linking groups
11/08/1990CA2016065A1 Crosslinkable polyimides from bis (aminophenoxy) benzonitriles
11/08/1990CA2015902A1 Polyimide-polyamide polymers having fluorine-containing linking groups
11/08/1990CA2014741A1 Polymerizable pyrrolidonyl oxazoline monomers, homopolymers and copolymers
11/07/1990EP0396528A2 Method of coating surfaces
11/07/1990EP0396383A2 Flame retardant polycyanate ester blends
11/07/1990EP0135514B1 Cross linked porous membranes
11/06/1990US4968770 Engineering thermoplastics, high glass transition temperature
11/06/1990US4968762 Thermosetting-resin-forming composition from bis-maleimide and diallyl bis phenol
11/06/1990US4968757 Protective coatings for semiconductors
11/03/1990CA2009459A1 Flame retardant polycyanate ester blends
11/01/1990WO1990013055A1 Hemicyanine main-chain polymers
11/01/1990WO1990012831A1 Branched, dipolar-oriented polymer materials
10/1990
10/31/1990EP0395357A2 Polyamines useful as antagonists of excitatory amino acid neurotransmitters and/or as blockers of calcium channels
10/31/1990EP0395020A2 Terminal-modified imide oligomer composition
10/31/1990EP0394361A1 Diamines and bismaleinimides, and polyimides prepared therefrom
10/31/1990DE3912931A1 Hemicyaninhauptkettenpolymere Hemicyaninhauptkettenpolymere
10/30/1990US4966961 Polymaleimide from polyarylene polyamine and process for the preparation thereof
10/30/1990US4966954 Production and processing of thermally stable polyenaminonitriles and polyaminoquinolines therefrom
10/30/1990US4966743 From dialdehyde and diamine
10/30/1990CA1275750C Dense star polymers for calibrating/characterizing sub-micron apertures
10/25/1990DE3912922A1 Verzweigte, dipolar orientierte polymermaterialien Branched, dipolar oriented polymer materials
10/25/1990DE3912192A1 Polymers contg. N-acyl-amino:ethylene gps. - are prepd. from oxazoline cpds. and initiators in presence of specified solvents
10/24/1990EP0393826A2 Polyamide-polyimide and polybenzoxazole-polyimide polymers
10/24/1990EP0393685A1 Imidated copolymers and uses thereof
10/24/1990EP0393638A2 Thermosetting resin compostion and thermosetting dry film
10/24/1990EP0393559A2 Phosphate salts of monomers for PBZ and their use in preparing PBZ polymers
10/24/1990EP0393550A2 Heat curable bismaleinimide resins
10/24/1990CN1010131B Porous polyamines
10/23/1990US4965339 Cyclization of a polyamic acid having perfluoroalkyl groups in a solvent in the prsence of a lower fatty moncarboxylic acid anhydride and a tertiary amine; coatings; films
10/23/1990US4965337 Molding materials; replacement for metal
10/23/1990US4965336 High performance heterocycle oligomers and blends
10/23/1990US4965331 Curable resin compositions
10/23/1990US4965134 Applying hydroxypolyamide to substrate, annealing to form polybenzoxazole
10/23/1990CA1275539C Rod-shaped dendrimers
10/23/1990CA1275535C Scale deposition preventing agent
10/21/1990CA2014995A1 Phosphate salts of monomers for pbz and their use in preparing pbz polymers
10/18/1990WO1990012051A1 Base-soluble polyimide release layers for use in microlithographic processing
10/17/1990EP0393016A2 Flame-retardant high-temperature resistant shaped article based on polyimide fibers
10/17/1990EP0392979A2 Curable mixtures containing a bismaleimide and a propenyl compound
10/17/1990EP0392856A2 Sintered polybenzimidazole/polyaryleneketone articles and method of manufacture
10/17/1990EP0392680A2 Aromatic compounds
10/17/1990EP0392492A2 Polymers with high refraction index and low optical dispersion
10/17/1990EP0392354A1 Curable bismaleimide adducts
10/17/1990EP0392008A1 Copolymers containing polybenzoxazole, polybenzothiazole and polybenzimidazole moieties
10/17/1990EP0392007A1 Process for preparing linearly-extended polyalkylenepolyamines.
10/17/1990CA2014267A1 Heat-curable bismaleimide resins
10/16/1990US4963649 Copolyimide aromatic sulfone-fluoroaliphatic resin composition
10/16/1990US4963648 Solvent-solublility; heat resistance; films, fibers, composites; electrical apparatus; aromatic polyamides
10/16/1990US4963647 Heat resistance, flowability
10/16/1990US4963645 Terminal-modified imide oligomer and solution composition of the same
10/16/1990US4963635 Processes for the production of silicon-containing polyimides precursors, and their cured polyimides low in hygroscopicity
10/16/1990US4963616 Complexation-mediated solubilization of polymers
10/16/1990CA1275339C Bismaleimide compositions
10/14/1990CA2014479A1 Curable mixtures containing a bismaleimide and a propenyl compound
10/13/1990CA2014380A1 Curable bismaleimide adducts
10/13/1990CA2014004A1 Flame-retardant high-temperature resistant shaped article based on polyimide fibers
10/10/1990EP0391699A1 Pervaporation method of selectively separating water from an organic material aqueous solution through aromatic imide polymer asymmetric membrane
10/10/1990EP0391633A2 Extrusion process of polyimide and polyimide pellet used for the process
10/10/1990EP0391549A2 Polymer compositions
10/10/1990EP0391534A1 Process for preparing electrically conductive polymers and polymer compositions
10/10/1990EP0391200A2 Formation of very heat-stable relief patterns
10/10/1990EP0390812A1 New soluble and/or meltable polyimids and polyamideimids and process for their preparation.
10/10/1990EP0390803A1 Sulfur-containing aromatic tetracarboxylic acids and their derivatives
10/10/1990CN1045966A Monomer containing hexafluorisopropyl, processes thereof and application
10/09/1990US4962190 Azo dyes containing polyethyleneimine with an aniline diazo component and a hydroxynaphthalene, aminopyridine or acetoacetic coupling component
10/09/1990US4962183 Polyimide-polyamide polymer having fluorine-containing linking groups
10/09/1990US4962161 Thermosettable resin compositions
10/05/1990CA2013784A1 Extrusion process of polyimide and polyimide pellet used for the process
10/04/1990WO1990011315A1 Polymeric biguanides
10/03/1990EP0390565A2 Imide prepolymers, cured products, method for making the same, laminate preparation, and encapsulating compositions
10/03/1990EP0389961A1 Monomerides containing the hexafluoroisopropyl group, process for their preparation and their use
10/03/1990EP0389951A2 Heat resistant adhesive composition and bonding method using the same
1 ... 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 ... 262