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)
01/1998
01/07/1998EP0784618A4 Production of a polysuccinimide and derivatives thereof in the presence of a sulfur containing dehydrating agent
01/07/1998CN1169441A Aromatic polycarbodiimide and sheet using it
01/07/1998CN1036926C Dyhydro asparagic acid and biodegradable hydrolysed products thereof
01/06/1998US5705605 Process for the preparation of a dyeing auxiliary
01/06/1998US5705602 Process for the production of star-like or comb-like branched aliphatic polyamino compound and curable resin composition
01/06/1998US5705598 Polyester sulfone oligomers and blends
01/06/1998US5705574 Endcapped polyimide oligomer
01/02/1998DE19625287A1 Tetramethylpiperidingruppenenthaltende Polykondensate Tetramethylpiperidingruppenenthaltende Polycondensates
12/1997
12/31/1997WO1997049865A1 Asa sizing emulsions containing low and high molecular weight cationic polymers
12/31/1997WO1997049751A1 Polycondensates containing tetramethylpiperidine groups
12/31/1997WO1997049740A1 Amphiphilic, segmented copolymer of controlled morphology and ophthalmic devices including contact lenses made therefrom
12/31/1997WO1997049687A1 Polyfunctional crosslinking acylimidazolidinone derivatives
12/31/1997CA2258876A1 Polyfunctional crosslinking acylimidazolidinone derivatives
12/31/1997CA2256749A1 Amphiphilic, segmented copolymer of controlled morphology and ophthalmic devices including contact lenses made therefrom
12/30/1997US5703199 Reacting polyvalent carboxylic acid and diamine or aminocarboxylic acid in high boiling solvent
12/30/1997US5703131 Method for the detoxification of mustard gas sulfur-containing quaternary ammonium ionene polymers and their use as microbicides
12/30/1997US5702696 For treatment of iron overload disorders
12/30/1997CA2102282C Polymeric antimicrobials and their use in pharmaceutical compositions
12/29/1997EP0814109A1 Photosensitive polyimide precursor and its use for pattern formation
12/29/1997EP0814108A1 Silyl-linked polyamidoamines and their preparation
12/29/1997EP0813576A1 Epoxy-cyanate ester compositions
12/29/1997EP0813565A1 Energy-polymerizable compositions comprising a cyanate ester monomer or oligomer and a polyol
12/29/1997EP0813564A1 Mannich base polymers
12/29/1997EP0813562A1 Production of polysuccinimide in an organic medium
12/29/1997EP0497898B1 Sulfonated polyaniline salt compositions, processes and uses
12/24/1997WO1997048673A1 Process for removing malodors from modified polyamines
12/24/1997CN1168390A Water soluble resins and application thereof to paper coating
12/24/1997CA2257945A1 Process for removing malodors from modified polyamines
12/23/1997US5700742 Antimicrobial treatment of textile materials
12/23/1997US5700399 Soluble alkoxy-group substituted aminobenzenesulfonic acid aniline conducting polymers
12/18/1997DE19725108A1 Hot melt adhesive for making printed circuit boards
12/17/1997EP0813212A2 Water-soluble electrically-conductive polyaniline and method for production thereof and antistatic agent using water-soluble electrically-conductive polymer
12/17/1997EP0719317A4 Mixtures of polyamino acids and citrate
12/17/1997CN1167778A Polyaniline-phenol resin and preparing method thereof
12/16/1997US5698662 Branches prepared via nucleophilic substitution reaction from halogen cyanide units comprising monohalogenated hydrocarbon, halogen, cyanide group, the halogen and cyanide group being separated by at least three carbon atoms
12/16/1997US5698135 Polyamic acid obtained from reaction of dianhydride of specified tetracarboxylic acid and of cyclobutanetetracarboxylic acid with diamine, or polymer obtained by imidizing said polyamic acid
12/11/1997DE19715479A1 New polyimide copolymer with good solubility in volatile solvents
12/10/1997EP0811648A1 Polyimide precursor solution, process for the production thereof, coating or film obtained therefrom and process for producing the film
12/10/1997EP0811421A1 Novel sulfonated polyimide gas separation membranes
12/10/1997EP0811091A1 Aqueous alkyl diketene dispersions and the use thereof as glue for paper
12/09/1997US5696235 Containing a bismaleimide; heat resistance, processability; soluble in various organic solvents
12/09/1997US5696218 Using basic catalyst
12/09/1997CA2021120C Lightweight flexible imide foam and method of producing same
12/09/1997CA1339580C Coreactive oligomer blends
12/09/1997CA1339574C Process for the preparation of high-purity 5,5'-[2,2,2,- trifluoro-1- (trifluoromethyl)-ethylidene]bis-1,3-isobenzofurandione
12/04/1997WO1997045842A1 Stable, concentrated solutions of high molecular weight polyaniline and articles therefrom
12/04/1997WO1997045497A1 Photoimageable polyimides coatings based on non-aromatic dianhydrides
12/04/1997WO1997045495A1 Use of stable amino-functional latexes in water-based inks
12/04/1997WO1997045473A1 Absolute molecular weight polymers and methods for their use
12/04/1997WO1997045461A1 Thermosetting, aqueous compositions
12/04/1997WO1997045069A1 Cationic polymer/lipid nucleic acid delivery vehicles
12/04/1997WO1997037273A3 Process and materials for inducing pre-tilt in liquid crystals and liquid crystal displays
12/04/1997DE19621573A1 Thermisch härtbare, wäßrige Zusammensetzungen Thermally curable, aqueous compositions
12/04/1997DE19621300A1 Preparation of water-soluble, amino group-containing condensates and addition reaction products
12/04/1997CA2262853A1 Stable, concentrated solutions of high molecular weight polyaniline and articles therefrom
12/04/1997CA2256900A1 Cationic polymer/lipid nucleic acid delivery vehicles
12/04/1997CA2255755A1 Absolute molecular weight polymers and methods for their use
12/03/1997EP0810476A1 Polyamic acid esters and positive type photosensitive resin compositions and their use for polyimide films for electronic devices
12/03/1997EP0810322A2 Process for preparing retention and dewatering agents on the basis of polyaminoethers
12/03/1997EP0810244A2 Aromatic polycarbodiimide and sheet using it
12/03/1997EP0810204A1 Dendritic organic nitrogen-containing compounds with planar-chiral or axial terminal-groups, their preparation and use
12/03/1997EP0809668A1 Preparation of anhydropolyamino acids
12/03/1997EP0680498B1 Small cell foams and blends and a process for their preparation
12/03/1997EP0678105B1 Oligomeric sterically hindered polyamide crosslinkers and coating compositions containing the same
12/02/1997US5694513 Waveguide device and method for production thereof
12/02/1997US5694496 Waveguide comprising an aromatic fluoro-polyimide; heat resistance, flexibility, waterproofing, strength
12/02/1997US5693748 High molecular weight polyimidoylamidine and a polytriazine derived therefrom
12/02/1997US5693675 Alkylated amine polymers
12/02/1997US5693379 Polyimide
12/02/1997US5693319 Polyamines and method for preparation thereof
11/1997
11/30/1997CA2206393A1 Process for the preparation of retention and dewatering agents based on polyamino-ethers
11/29/1997CA2207019A1 Dendritic, nitrogen-containing organic compounds containing planar-chiral or axial-chiral end groups, and the preparation and use thereof
11/27/1997WO1997044704A1 Polyimide angularity enhancement layer
11/27/1997WO1997044526A1 Process for creping tissue paper
11/26/1997EP0643736B1 Thermally stable electrically conductive conjugated polymer complexes having hydrogen bonding counterions
11/26/1997EP0525087B1 Crosslinkable fluorinated aromatic ether compositions
11/26/1997CN1165824A Polymerizable diketopyrrolopyrroles and polymers prepared therewith
11/26/1997CN1165823A Polymerizable diketopyrrolopyrroles and polymers prepared therewith
11/25/1997US5691388 Aminolysis of polycyanurate with reactive amine for decomposition
11/20/1997WO1997043687A1 Liquid crystal aligning agent
11/19/1997EP0807666A1 Composite material of liquid crystal polyazomethine or copolyazomethine
11/19/1997EP0807648A2 Latent curing aqueous polyurethane dispersions
11/19/1997EP0807270A1 Crosslinked polymers containing ester or amide groups
11/19/1997CN1165138A Block oligomers containing 2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic material
11/18/1997US5689004 Diamines containing pendent phenylethynyl groups
11/18/1997US5688907 Polymers of maleic acid with amines
11/18/1997US5688906 Highly efficient nonlinear optical polyimides
11/18/1997US5688904 Using effluent of an immobilized cell or enzyme as catalyst
11/18/1997US5688903 Process for the preparation of polycondensates of amino acids and the biodegradable polypeptide hydrolysates thereof, and their use in detergent compositions
11/18/1997US5688902 Process for the preparation of polyimides or of their biodegradable polypeptide hydrolysates
11/18/1997US5688631 Bis/o-aminophenol/ reacted with dicarboxylic acid halogenide for heat resistant polymers
11/18/1997US5688371 Process for fixing disruptive substances in papermaking
11/13/1997WO1997042288A1 Laundry detergent compositions and methods for providing soil release to cotton fabric
11/13/1997WO1997042285A1 Cotton soil release polymers
11/13/1997WO1997042253A1 Sulphonated polyimides, membranes and fuel cell
11/13/1997DE19617830A1 Production of polyamide-imide by direct polymerisation
11/13/1997CA2252857A1 Laundry detergent compositions and methods for providing soil release to cotton fabric
11/12/1997EP0806699A2 Particle beam alignment of liquid crystals
11/12/1997EP0805829A1 Process for production of multicyanate esters
11/12/1997EP0618935B1 Polyimide resins useful at high temperatures