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) |
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05/20/1994 | CA2083327A1 Highly dense themoplastic molding compositions having improved impact strength |
05/18/1994 | EP0597301A1 Thermoplastic polyesterimide from tirmellitic acid, propanediphenol and aromatic diamine, with enhranced mechanical properties, its process of preparation and its use |
05/18/1994 | EP0596973A1 Device for sensing volatile materials. |
05/18/1994 | CN1024543C Process for bicyclohexyl-3,4,3,4-tetra-formic acid |
05/17/1994 | US5312897 N-phenylhydroxylamine polymer, method of preparation |
05/17/1994 | US5312896 Metal ion porphyrin-containing poly(imide) |
05/17/1994 | US5312895 Benzobisazole copolymer system soluble in aprotic solvents |
05/17/1994 | US5312887 Polycyanate polymers for printed circuit boards |
05/17/1994 | US5312876 Water soluble rigid-rod polymer |
05/17/1994 | US5312686 Processable, high molecular weight polyaniline and fibers made therefrom |
05/11/1994 | WO1994010327A1 Enzymatic synthesis of polyaniline |
05/11/1994 | WO1994010213A1 Method for preparing color-clear composite coatings having resistance to acid etching |
05/11/1994 | WO1994010212A1 Aqueous aminoplast-curable film-forming compositions providing films having resistance to acid etching |
05/11/1994 | WO1994010211A1 Aminoplast-curable film-forming compositions providing films having resistance to acid etching |
05/11/1994 | WO1994010096A1 Copolymers of polyamino acids as scale inhibition agents |
05/11/1994 | WO1994009768A1 Antibacterial polymeric quaternary ammonium compounds |
05/11/1994 | EP0596631A2 Novel polymeric antimicrobials and their use in pharmaceutical compositions |
05/11/1994 | EP0596454A1 Method for immobilizing linear polymers on a chemical retardant support material |
05/11/1994 | EP0596447A2 Polyimide and polyamide-imide gas separation membranes |
05/11/1994 | EP0596150A1 Solutions of polyimide precursors |
05/11/1994 | EP0596149A1 Solutions of polyimide precursors |
05/11/1994 | CN1086528A Reduced yellowing electrodepositable coating composition |
05/11/1994 | CA2146358A1 Copolymers of polyamino acids as scale inhibition agents |
05/11/1994 | CA2145849A1 Aqueous aminoplast-curable film-forming compositions providing films having resistance to acid etching |
05/10/1994 | US5310943 Monomers for star polyesterimides and curing agents |
05/10/1994 | US5310933 Benzonitrile |
05/10/1994 | US5310863 Polyimide materials with improved physico-chemical properties |
05/10/1994 | US5310856 4-carboxy-N-(hydroxyphenyl)phthalimide monomer; varnishes |
05/10/1994 | US5310830 Epoxy resin, maleimide and OH- and epoxy-containing compound |
05/10/1994 | US5310829 Quaternary poly(iso) quinolinediyl and preparation thereof |
05/10/1994 | US5310824 Water repellent aramids |
05/10/1994 | US5310781 Carboxy-substituted |
05/10/1994 | US5310625 Improved wall angles |
05/10/1994 | US5310415 Polyimide and polyamide-imide gas separation membranes |
05/05/1994 | DE4227836A1 Verfahren zur Metallisierung von Nichtleitern und die Verwendung einer sauren Lösung A process for the metallisation of non-conductors and the use of an acidic solution |
05/04/1994 | EP0595230A1 Unsaturated imide compounds containing alicyclic structure |
05/04/1994 | EP0594947A2 Low dielectric constant fluorinated polymers and methods of fabrication thereof |
05/04/1994 | EP0594591A1 Gas separation membranes comprising miscible blends of polyimide polymers |
05/04/1994 | CN1024420C Polyimide resin compositions |
05/03/1994 | US5308569 Process for the preparation of aromatic polyimide film |
04/29/1994 | CA2109347A1 Unsaturated imide compounds containing alicyclic structure, process for producing the same and intermediate therefor |
04/28/1994 | WO1994009076A1 Reduced yellowing electrodepositable coating composition |
04/27/1994 | EP0594207A2 Clutch facing |
04/27/1994 | EP0594145A2 Block copolymers containing blocks of polybenzazole polymer and blocks of polybenzoxazinone polymer or polyoxadiazole polymer |
04/27/1994 | EP0593648A1 Conductive polymer film formation using initiator pretreatment |
04/27/1994 | CN1085890A Dicyclohexyl-3,4,3',4'-tetracarboxylic acid or dianhydride thereof and polyamide-acid and polyimide obtained therefrom |
04/26/1994 | US5306784 Mixing monomer precursors of thermosetting and thermoplastic polyimides including acetylene end group crosslinking site, reacting below 300 degrees, heating |
04/26/1994 | US5306741 Method of laminating polyimide to thin sheet metal |
04/26/1994 | US5306443 Dissolving monomer with metal containing oxidizing agent in sufficient solvent to prevent polymerization; removal of solvent |
04/26/1994 | US5306429 Copolymers of polyamino acids as scale inhibition agents |
04/26/1994 | CA1328760C Photoinitiator mixtures containing a titanocene and a 3-ketocoumarin |
04/20/1994 | EP0593200A1 Method for preparing polyimides |
04/20/1994 | EP0593187A1 Production of polysuccinimide by thermal polymerization of maleamic acid |
04/20/1994 | EP0485405B1 Biscitraconimide copolymers with olefinically unsaturated materials |
04/20/1994 | CN1085574A Production of polysuccinimide by thermal polymerization of maleamic acid |
04/19/1994 | US5304682 One step sulfonation, nitration of 1,1'-thiobis/3-trifluoro-methyl/benzene |
04/19/1994 | US5304627 Polyimides containing pendent siloxane groups |
04/19/1994 | US5304626 Polyimide copolymers containing 3,3',4,4'-tetracarboxybiphenyl dianhydride (BPDA) moieties |
04/19/1994 | US5304625 Phosphazene-containing amine as curing agent for phthalonitrile-based polymer |
04/19/1994 | US5304613 Polyaniline derivative containing at least a 2-butenylene structure |
04/14/1994 | WO1994007594A2 Hollow fiber membrane incorporating a polyimide and process for preparing same |
04/14/1994 | CA2107609A1 Production of polysuccinimide by thermal polymerization of maleamic acid |
04/13/1994 | EP0592052A1 Phosporus containing catalysts and process for the production of linear polyamines |
04/13/1994 | EP0540580B1 Polymeric drug delivery system |
04/12/1994 | US5302692 High glass transition temperature, low dielectric properties |
04/12/1994 | US5302684 Monomers for curable polysiloxanes which also contain imide groups |
04/12/1994 | US5302652 Dispersing pigment in solvent; mixing with polyamic acid precursor; shaping; thermal or chemical conversion |
04/12/1994 | US5302467 Halogenated polyimide composition having improved adhesion characteristic and articles obtained therefrom |
04/12/1994 | CA1328528C Thermosetting resin composition, printed circuit board using the resin composition and process for producing printed circuit board |
04/07/1994 | DE4233532A1 New thermostable soluble or fusible polyimide and polyamide-imide - with esterified units derived from benz-hydrol, suitable for making fibre or film |
04/06/1994 | EP0589917A1 Process for preparing epihalohydrin-based resins having a reduced halogen content |
04/06/1994 | EP0589891A1 High compressive strength liquid crystalline polymers and fibers and films thereof |
04/06/1994 | CN1084864A Water compatible amine terminated resin useful for curing epoxy resins |
04/05/1994 | US5300690 Addition-condensation copolymer modified by hydroxylamine; antioxidants, chelating agents |
04/05/1994 | US5300627 Heat resistant silicon modified polyimide |
04/05/1994 | US5300620 Heat-resistant adhesive and method of adhesion by using adhesive |
04/05/1994 | US5300619 Polyimide resin film and method of making said film |
04/05/1994 | US5300603 Dialkylidenecyclobutane/acrylate/bis-maleimide composition |
04/05/1994 | US5300592 Prepregs; allyl-etherified novolaks cured with bismaleimides |
04/05/1994 | US5300571 Hardenable composition based on a Michael addition product, process for its preparation and its use |
04/05/1994 | US5300287 Polymeric antimicrobials and their use in pharmaceutical compositions |
04/05/1994 | US5300208 Fabrication of printed circuit boards using conducting polymer |
04/05/1994 | US5300176 Impregnating fibrous substrate with polyimide precurser in solvent with basic tertiary or sterically hindered amine, heating, consolidating, curing |
03/31/1994 | WO1994006846A1 Melt-processable block copolyesterimide and method for manufacturing it |
03/31/1994 | WO1994006845A1 Production of polysuccinimide and polyaspartic acid from maleic anhydride and ammonia |
03/31/1994 | WO1994006844A1 Fast-curing adhesive of adjustable viscosity |
03/31/1994 | WO1994006843A1 Production of polysuccinimide and polyaspartic acid |
03/31/1994 | DE4332248A1 Polyamide-imide block copolymers - is obtd. by stepwise reaction of di-acid(s), di-amine(s) and tetra:carboxylic acid di-anhydride(s) in sulphone solvent, esp. di-phenyl-sulphone |
03/31/1994 | DE4232523A1 Thermoplastic polyimide-sulphone(s) - from mixts. of oxy-di:phthalic anhydride, di:amino:di:aryl-sulphone(s), other di:anhydride(s) and di:amine(s), and mono:anhydride(s) or -amine(s) |
03/31/1994 | DE4232496A1 New polyamideimide(s) - used for prodn. of gas-sepn. membranes and membranes contg. dispersed, catalytically active particles of metals, oxide(s), etc |
03/31/1994 | CA2144989A1 Melt-processable block copolyesterimide and method for manufacturing it |
03/31/1994 | CA2144944A1 Production of polysuccinimide and polyaspartic acid |
03/30/1994 | EP0588962A1 Light-absorbing polymers |
03/30/1994 | EP0588906A1 Processible forms of electrically conductive polyaniline and conductive products formed therefrom |
03/29/1994 | US5298601 High temperature 3f-polyimides |
03/29/1994 | US5298600 1-trifluoromethane-3-benzene-2,2'-dibiphenyltracarboxylic acid and an aliphatic or aromatic diamine monomers |
03/29/1994 | US5298590 Liquid crystal alignment treating agent |
03/29/1994 | US5298359 Photosensitive heat-resistant polymer having hydroxyphenyl group for forming a patterned image |
03/29/1994 | US5298331 Metal clad laminates for printed circuits and tape automated bonding |
03/29/1994 | CA1328144C Phenolic cyanate-phenolic triazine copolymers |