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Patent Searching and Data


Matches 801 - 850 out of 4,870

Document Document Title
WO/1993/013743A1
The product in powder form is characterized in that the particles are non white and coloured with the exception of lamellar iron oxide and have a size of less than 200 microns. A synthetic melanic pigment, formed in situ by the oxidation...  
WO/1993/012055A2
Photocurable cyclobutarene compositions having a low dielectric constant, low moisture uptake, enhanced oxidative stability, good processability, good planarization, and a long shelf life are disclosed. These polymer compositions are use...  
WO/1993/011189A1
The invention is a composition containing a polymer formed by side ring opening of an arylcyclobutene compound and an antioxidant compound of formulae (1), (2), (3), (4), wherein R is hydrogen, an electron withdrawing or electron donatin...  
WO/1993/010181A1
A vinyl chloride resin composition with an elevated thermal deformation temperature, which comprises: [A] a vinyl chloride resin, and [B] a ring-opening polymer, a ring-opening copolymer or a hydrogenated derivative thereof, obtained by ...  
WO/1993/006171A1
Polymer blends comprising (a) a metathesis ring-opening polymerized unsaturated polymer of norbornene dicarboximide monomer units and/or a metathesis ring-opened unsaturated copolymer of norbornene dicarboximide and a norbornene carboxyl...  
WO/1992/020072A1
Microfibrils are formed which include conductive conjugated polymer. These microfibrils are incorporated into polymer admixtures which are thermo-formed into conductive shaped articles. By controlling the fibril matrix ratio, the conduct...  
WO/1992/017544A1
Polymer alloys contain (A) at least one cycloolefin polymer and (B) at least one polyarylether ketone, the quantity of (A) amounting to 1 to 99 wt% and the quantity of (B) amounting to 99 to 1 wt%, whereas both quantities added together ...  
WO/1992/016585A1
An alloy contains (A) at least a non-modified and/or partially modified cycloolefin polymer and (B) at least a fully aromatic, liquid-crystal polyester. This alloy can be used as a matrix for composite materials or for producing moulding...  
WO/1992/016564A1
Polymer alloys are produced on the basis of (a) at least a thermoplastic aromatic polyether amide having a molecular weight between 5000 and 40000 and (b) at least a cycloolefin polymer. The percentages by weight of the components amount...  
WO/1992/013919A1
Ternary alloys are produced from uniformly mixed polymers (a), (b) and (c) containing as component (a) at least one polyaryl ether ketone, (b) at least one polyimide and (c) at least one polyaryl ester. The limiting viscosity number of (...  
WO/1992/005223A1
A melt-processable, miscible or partially miscible blend of an amorphous, isotropic polyarylate with a poly(ether ketone ketone) that does not possess a sharp or well defined melting endotherm by differential scanning calorimetry when ob...  
WO/1992/000348A1
Thermoplastic compositions comprising at least one polyetherimide and, as heat release retardants, anhydrous zinc borate and a non-fibrillating fluorocarbon polymer are disclosed. The compositions exhibit improved heat release characteri...  
WO/1991/015539A1
Flame retardant polyarylether compositions comprising a poly(biphenyl ether sulfone) and anhydrous zinc borate are disclosed. The preferred compositions of the invention are blends of a poly(biphenyl ether sulfone) with a poly(aryl ether...  
WO/1991/015859A1
The invention relates to a method for preparing a conductive polymer product by doping a conductor polymer. The conductor polymer or a mixture of the conductor polymer and a matrix polymer is in a molten state brought into contact with a...  
WO/1991/007464A1
The composition of the present invention is comprised of a mixture from 20 to 70 parts by weight of cross-linked polynorbornene, from 80 to 30 parts by weight of a polymer based on vinyl chloride and at least one plastifier common to pol...  
WO/1991/002764A1
High-performance polymers having a rigid-rod backbone comprising a chain length of at least 25 organic monomer units joined together by covalent bonds wherein at least about 95 % of the bonds are substantially parallel; and solubilizing ...  
WO/1991/000314A1
The invention relates to composite conductive polymers. It involves producing a composite polymer which comprises a basic polymer formed from a standard polyurethane in which a conductive polymer formed from doped polypyrrole is dissolve...  
WO/1991/000311A1
The invention relates to a rubber composition with improved heat resistance and a polynorbornene base including a mixture of at least 50% by weight of polynorbornene and at most 50% by weight of another rubber, said mixture having been v...  
WO/1990/012844A1
Compositions comprising a mixture of 20 to 70 parts by weight of polynorbornane, 80 to 30 parts by weight of a crystalline olefin-based polymer and a quantity of plasticizer for polynorbornane sufficient to lower its glass transition tem...  
WO/1990/013148A1
An electroluminescent device comprises a semiconductor layer (4) in the form of a thin dense polymer film comprising at least one conjugated polymer, a first contact layer (5) in contact with a first surface of the semiconductor layer, a...  
WO/1990/010033A1
Composition comprising a mixture from 20 to 70 parts by weight of polynorbornene, from 80 to 30 parts by weight of crystalline polyolefine and a quantity of plastifier for the polynorbornene sufficient to lower its glass transition tempe...  
WO/1990/006965A1
This invention relates to a method for producing a modified polymer molding characterized by polymerizing and molding at least one metathesis-polymerizable cycloolefin in one step in the presence of a metathesis polymerization catalyst a...  
WO/1989/012078A1
The invention provides resin composition composed of 30 to 99.5 wt % of an aromatic polycarbonate and 70 to 0.5 wt % of a vinylidene fluoride-hexa-fluoroacetone copolymer elastomer. It has excellent moldability, heat resistance and impac...  
WO/1989/007617A1
High-performance polymers having a rigid-rod backbone comprising a chain length of at least 25 monomer units joined together by covalent bonds wherein at least about 95 % of the bonds are substantially parallel; and solubilizing organic ...  
WO/1989/003413A1
A random cycloolefin copolymer composition having excellent heat resistance, chemical resistance, rigidity and impact strength, which comprises: (A) a random cycloolefin copolymer composed of an ethylenic component and a cycloolefin comp...  
WO/1989/002155A1
An intrinsically conductive polymer is in the form of a dispersible solid of primary particles with a specific surface area according to BET of > 15m2/g and with an average diameter of less than 500 nm, in which preferably not more than ...  
WO/1989/001015A1
The invention relates to a conductive polymer composite wherein the internally conductive polymer component consists of a polymer of a 3-substituted thiophene, the polymer being doped with a suitable electron acceptor or electron emitter...  
WO/1988/008012A1
An elastomeric closure piece serves to close a recipient containing a pure pharmaceutical substance. It comprises an elastomeric base part completely covered by a polyparaxylylene coating between 0.5 micrometre and 2.0 micrometres thick....  
WO/1987/001712A1
Encapsulating compositions are prepared from reinforced polyaromatic cyanates compositions comprising (A) one or more polyaromatic cyanates at least one of which is a hydrocarbon polyaromatic cyanate resin such as a phenol-dicyclopentadi...  
WO/1986/007598A1
Novel crystalline chain extended polymers containing segments of crystalline poly (aryl ether ketones). The novel materials are easy to prepare and display excellent toughness, fabricability and very good high temperature and solvent res...  
WO/1986/004073A1
Novel curable polymeric compositions comprising (a) a first component comprising an aromatic polymer having a first preponderant repeat unit and (b) a second reactive component which is compatible with the aromatic polymer, said second c...  
WO/1985/005318A1
Method for the preparation of an article from a blend of at least two molecularly compatible polymers by treating the blend with a solvent which is a solvent for one of the polymers and a non-solvent for the other. The solvent can be rem...  
WO/1985/001510A1
Blends of at least two separately made crystalline polyarylether resins formed into an intimate moldable mixture, each resin having, prior to being formed into said mixture (i) a different crystalline melting temperature and a different ...  
WO/1985/001509A1
Molding composition comprising a blend of a select poly(aryl ketone) and a polyetherimide. These blends have an improved ultimate use temperature and stress crack resistance.  
WO/1984/002030A1
Tractable doped electroactive polymers, comprising recurring units of a heterocyclic ring system and a sufficient concentration of charge compensating ionic dopants associated therewith.  
WO/1984/000720A1
A novel metal pigment product which is comprised of metal particles, terpene phenol resin and polyethylene resin and the process for making them. The compositions and products made from them, are stable even after storage at room tempera...  
WO/1983/002285A1
A homogenous sample of identical bispecific antibody determinants, each determinant being composed of two L-H half-molecules linked by disulfide bonds, each L-H half-molecule being specific for a different antigenic determinant and inclu...  
WO/1982/002718A1
A blend of 100 parts by weight of a polycyano norbornene, such as poly (2-norbornene-5 nitrile); 5 to 15 parts of a halogenated polyolefin, such as chlorinated polyethylene; and 10 to 40 parts of an ABS polymer, such as acrylonitrile-but...  
WO/1980/000569A1
Molding compositions which comprise a polyphenylene ether resin and polypentenamer or polypentenamer-modified alkenyl aromatic resin. Also disclosed are compositions comprised of a polyphenylene ether resin, a rubber-modified alkenyl aro...  
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Matches 801 - 850 out of 4,870