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)
05/2002
05/08/2002EP1202958A1 Dicyanatochalcones and method for the production thereof
05/08/2002EP0960140B1 Method for producing polymers containing carbamate units and the use thereof
05/08/2002EP0736056B1 Cascade polymers with iodine aromatic compounds
05/07/2002US6384182 Reacting a dicarboxylic acid with a bis(aminophenol) to form a polyhydroxyamide followed by cyclization; useful as insulating and coating materials
05/07/2002US6383579 Polyethyleniminie cinnamate alignment layer with photosensitive constituent; heat resistance
05/07/2002US6383578 Liquid crystalline polymer
05/07/2002US6383258 From o-tolidine sulfone and diamine
05/02/2002US20020052464 Reacting an aromatic diamine with a biphenyltetracarboxylic dianhydride; separating solid precursor; heating for ring closure; heat resistance; workability; dimensional stability; high strength
05/02/2002US20020052463 Process for production of polyimide powder, polyimide powder, polyimide powder molded bodies and process for their production
05/02/2002US20020050597 Having one or more organic compound layers containing charge transporting polyether comprising specified repeating unit between pair of electrodes, at least one of which is transparent or semitransparent
05/02/2002EP1201650A2 Ionic malonitril derivatives and their uses
05/02/2002EP1200494A1 Compound
05/02/2002EP0904031A4 Cationic polymer/lipid nucleic acid delivery vehicles
05/01/2002CN1347572A Polymers their preparation and uses
04/2002
04/30/2002US6380432 Aromatic diamines useful in preparing polyimides
04/30/2002US6380423 Colorless compounds
04/30/2002US6380350 Polyaspartic acid
04/30/2002US6380307 Coupling with an organosilicon compound
04/30/2002US6380271 Mixing a polybenzoxazole precursor or a polybenzoxazole resin with an oligomer, forming film from resulting mixture, heating film in nitrogen containing oxygen to give rise to thermal decomposition and gasification of oligomer to form resin layer
04/30/2002US6379865 Protective coatings deposited by electrophoresis; high electrical resistance;
04/30/2002CA2324757A1 Conjugated polycarbazole derivatives and process for the preparation thereof
04/30/2002CA2257107C Use of stable amino-functional latexes in water-based inks
04/25/2002WO2002033481A1 Aligning agent for liquid crystal for in-plane switching, liquid-crystal alignment film, and liquid-crystal display element
04/25/2002WO2002032966A1 Photosensitive resin composition, solder resist comprising the same, cover lay film, and printed circuit board
04/25/2002US20020049286 Method for preparing polyether copolymers with polycarbonates and polyarylates
04/25/2002US20020048726 Photosensitive polyimide precursor and its use for pattern formation
04/25/2002US20020048719 Ion-type photoacid generator containing naphthol and photosensitive polyimide composition prepared by using the same
04/25/2002US20020048559 Copolymer and process for preparing the same
04/24/2002EP1198493A1 Waveguide systems or structures or parts thereof, containing polycyanate copolymers prepared from polyfunctional cyanates and fluorinated monocyanates
04/24/2002EP1198492A1 Zwitterionic polyamines and a process for their production
04/24/2002CN1346519A Distributed bragg reflector, organic light emitting element, and multicolour light emitting device
04/24/2002CN1083460C Production process of cross-linked polyaspartic acid resin
04/24/2002CN1083435C Conjugated N-fluoropyridinium salt polymer and use thereof
04/23/2002US6376578 Wet strength; for paper
04/23/2002US6376129 Ion exchange membrane; power source for electricity vehicles
04/23/2002US6376080 Heating a benzoxazine; acid catalyst
04/23/2002US6376026 Method of coating with powders comprising macrocyclic oligomers
04/18/2002WO2002031025A2 Biodegradable poly(beta-amino esters) and uses thereof
04/18/2002WO2002030877A1 Method for producing a disinfectant
04/18/2002WO2002030468A1 Complexes for transferring nucleic acids into cells
04/18/2002US20020045719 Dual purpose electroactive copolymers
04/18/2002US20020045716 Method for preparing polyether copolymers with polycarbonates and polyarylates
04/18/2002US20020045715 With polyether polymers such as polyethersulfones, polyetherketones, and polyetherimides; reaction of reagents, e.g., bisphenol A disodium salt and bis(4-chlorophenyl) sulfone, in the presence of the polycarbonate or polyarylate
04/18/2002US20020045127 Polyimides, process for producing the same and photosensitive composition containing the same
04/18/2002US20020045054 From a polyamic acid prepared from pyromellitic dianhydride in combination with 22 to 78 mol % of 4,4'-oxydianiline and 22 to 78 mol % of 3,4'-oxydianiline, based on the overall diamine.
04/18/2002US20020045033 Polyimide film, method of manufacture , and metal interconnect board with Polyimide film substrate
04/18/2002US20020043333 Copolymers containing polyamide blocks and polyether blocks based on ethoxylated amines
04/18/2002CA2424967A1 Complexes for transferring nucleic acids into cells
04/17/2002EP1196477A1 Polycyanate copolymers prepared from polyfunctional cyanates and fluorinated monocyanates, and optical elements prepared therefrom
04/17/2002EP1196476A1 Process for the isolation of polymer fractions
04/17/2002CN1345346A Additive and ink-jet recording medium containing the same
04/17/2002CN1345342A Photoactive polymers
04/16/2002US6372880 High molecular weight copolymer which comprises, as repeating structure units, both succinimide unit and hydroxycarboxylic acid unit
04/16/2002US6372808 Preparing polymer having a micro-domain structure made up of a continuous phase comprising a polyimide precursor and discontinuous phase of dispersible compound; removing dispersible compound; converting precursor to polyimide
04/16/2002CA2111685C Epihalohydrin-based resins having a reduced halogen content
04/16/2002CA2067142C Polyaniline compositions, process for their preparation and uses thereof
04/11/2002WO2002029494A1 Positive photosensitive polyimide resin composition
04/11/2002DE10042498A1 Polyasparaginsäure-Konzentrationsbestimmung mittels Fluorometrie Polyaspartic acid concentration determination by fluorometry
04/10/2002EP1195811A1 Semiconductor device
04/10/2002CN1082517C Process for preparing polymers having recurring succinyl units
04/09/2002US6369170 Method for preparing polyether copolymers with polycarbonates and polyarylates
04/09/2002US6369024 Impart appearance and integrity benefits to fabrics and textiles laundered in washing solutions
04/09/2002US6368520 Synergistic stabilizer mixture
04/04/2002WO2002026866A2 Method of making a polyimide in a low-boiling solvent
04/04/2002US20020040117 For the preparation of polymers with the distribution of multimodal molecular masses; mechanical strength of polymers produced
04/04/2002US20020040082 Polymeric coating compositions, polymer coated substrates,and methods of making and using the same
04/04/2002US20020040068 Having a high glass transition temperature
04/03/2002EP1193280A1 Polyimide resin, resin composition with improved moisture resistance comprising the same, adhesive solution, filmy bonding member, layered adhesive film, and processes for producing these
04/03/2002EP1192203A1 Novel liquid crystalline polymers
04/03/2002EP1192136A2 Oligomers and polymers of cyclic imino carboxylic acids
04/03/2002CN1343236A Aqueous-based polyamide-amic acid compositions
04/03/2002CN1343199A Cyanate esters having flame resistant properties
04/02/2002US6365734 Cucurbituril derivatives, their preparation methods and uses
04/02/2002US6365706 Process for production of polyasparagine and the high nitrogen content polymer formed thereby
04/02/2002US6365676 Poly-perfluoroalkyl substituted polyamines as grease proofing agents for paper and foam stabilizers in aqueous fire-fighting foams
04/02/2002US6365671 Heat exchanging, curing
04/02/2002US6365562 Mixture of peroxy compound and diamine compound; for paper and textiles
04/02/2002US6365324 Diaminopolysiloxane, carboxyl diamine and an aromatic or alicyclic diamine with 4,4' hexafluoroisopropylidene diphthalic acid dianhydride polyimide
04/02/2002US6365068 Heterocyclic aromatic anion salts, and their uses as ionic conducting materials
04/02/2002CA2039967C Tri-component polyimide composition and preparation thereof
03/2002
03/28/2002WO2002025764A1 Ion-conducting sulfonated polymeric materials
03/28/2002WO2002024788A1 Material for insulating film, coating varnish for insulating film, and insulating film and semiconductor device using the same
03/28/2002WO2002024785A1 Heat-resistant resin precursor, heat-resistant resin and insulating film and semiconductor device
03/28/2002US20020037995 Polyimide resin powder is molded under pressure and calcined
03/28/2002US20020037991 Photosensitive resin composition
03/28/2002US20020037975 Coated film excellent in impact, heat and corrosion resistance
03/28/2002CA2421627A1 Ion-conducting sulfonated polymeric materials
03/27/2002EP1190253A1 Biosensors which utilize charge neutral conjugated polymers
03/27/2002EP1189974A1 Polybenzoxazole precursors
03/27/2002EP1189973A1 Composition of and method for making high performance resins for infusion and transfer molding processes
03/27/2002EP1189972A1 Reduced byproduct polyamine-epihalohydrin resins
03/27/2002EP1189971A2 Functional poly-alpha-aminoacid derivatives useful for the modification of biologically active materials and their application
03/26/2002US6362313 Allyl pendent homo- and co-polymeric systems
03/26/2002US6361887 Anodes and cathodes with luminescent polymer material
03/26/2002US6361572 Depositing homogeneous and densified polymer on dielectric layer of valvular metal porous anode; high capacitance, low impedance, high responsiveness at high frequencies
03/21/2002WO2002022709A1 Highly branched water-soluble polyamine oligomers, process for their preparation and applications thereof
03/21/2002WO2002022706A1 Liquid crystalline thermosets from ester, ester-imide, and ester-amide oligomers
03/21/2002WO2002022174A1 A novel cationic lipopolymer as biocompatible gene delivery agent
03/21/2002WO2002006361A3 Novel photochromic polymers and methods of synthesizing same
03/21/2002WO2001096588A3 Enzyme-catalyzed polyamides and compositions and processes of preparing and using the same