Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
08/1990
08/14/1990CA1272570A1 Polymeric buns and method and apparatus for its manufacture
08/09/1990WO1990008807A1 Porous substrates with a high concentration of amine groups
08/09/1990WO1990008804A1 Process for preparing integral skin foam
08/09/1990WO1990008803A1 Foamable thermoplastic polymers and a method for foaming
08/09/1990WO1990008791A1 Process for preparing integral skin foam
08/09/1990CA2009608A1 Method for fabricating an acoustic wave attenuating material and application thereof to the making of submersible baffles
08/07/1990US4946903 Oxyfluoropolymers having chemically reactive surface functionality and increased surface energies
08/07/1990US4946884 Blends of poly(propylene carbonate) and poly(methyl methacrylate) and their use in decomposition molding
08/07/1990US4946873 Liquid; react with polyisocyanates to form fire retardant polyimide foams
08/07/1990US4946871 Soft and low-density foam materials from modified copolymers of ethylene with vinyl acetate and/or alkyl acid
08/07/1990US4945687 Rotary fininshing tool
08/07/1990CA1272360A1 Sausage process for cosmetic puffs
08/03/1990WO1990008801A1 Highly air permeable expanded polytetrafluoroethylene membranes and process for making them
08/02/1990DE3902759A1 Process for the production of mouldings, boards or slabs of rigid polyurethane foam
08/01/1990EP0379779A1 Dynamically vulcanized alloys of crystalline polyolefin resin and halobutyl rubber material
08/01/1990CN1044303A Constant-boiling, azeotrope-like mixtures
07/1990
07/31/1990US4945125 Process of producing a fibrillated semi-interpenetrating polymer network of polytetrafluoroethylene and silicone elastomer and shaped products thereof
07/31/1990US4945119 Dimensional stability
07/31/1990US4945077 Aromatic sulfonic acid and resorcinol
07/31/1990US4944974 Composite structures of ultra-high-molecular-weight polymers, such as ultra-high-molecular-weight polyethylene products, and method of producing such structures
07/31/1990US4944902 Polyimide compositions and processes
07/31/1990US4944879 Multilayer; overcoating with electron beam crosslinked polymer
07/31/1990US4944819 Foamable mortar; used in bore holes
07/31/1990CA1272349A1 Alcohol control of lightly crosslinked foamed polymer production
07/26/1990WO1990008218A1 Waterproof water vapor permeable deodorizing membrane and clothing
07/26/1990DE3901769A1 Geschaeumtes bauteil Foamed component
07/26/1990CA2008502A1 Membranes
07/25/1990EP0379268A2 Constant-boiling, azeotrope-like mixtures of dichlorotrifluoroethane, 1,1-dichloro-1-fluoroethane and methanol and/or ethanol
07/25/1990EP0379084A2 Expandable styrene polymers having a high oil resistance, and process for preparing same
07/25/1990EP0379008A1 Process for preparing low apparent density moulded soft polyurethane foams
07/25/1990EP0378854A1 Expanded fiber composite structure and process for making said structure
07/25/1990EP0250278B1 Filler and buoyancy material, method for its production and tubular constructions incorporating this material
07/24/1990US4943599 Recurable and cured cellular materials
07/24/1990US4943598 Polyimide foam, tensile strength
07/24/1990US4943597 Polyether polyol formulations for hard CFC replacement by water blowing in rigid polyurethane foams
07/24/1990US4943596 High tensile strength, contains polyimide-polysiloxane block polymer
07/24/1990US4943402 Process for removing chloroprene dimers from polychloroprene
07/24/1990US4943374 Spontaneously and completely wettable with water
07/24/1990US4943373 Oxidation with potassium permanganate
07/18/1990EP0378441A2 A polyvinylidene fluoride porous membrane and a method for producing the same
07/18/1990EP0378346A2 Microporous membrane from cold-rolled precursor films
07/18/1990EP0378279A1 Process for the preparation of microporous films of ultrahigh molecular weight polyethylene
07/18/1990EP0378243A2 Method for producing polyurethane foam and apparatus therefor
07/18/1990CN1043885A Improved composite membranes, their manufacture and their use
07/18/1990CA2007170A1 Expendable styrene polymer of high oil resistance and preparation thereof
07/17/1990US4942092 Biphenyltetracarboxylic acid, aromatic diamine, not less than 50% 4,4*-diaminodiphenyl ether, porosity
07/17/1990US4942069 Cables of thermoplastic polymers, a metal hydrate fireproofing agent and a blowing agent that decomposes at a temperature range of 160 degrees c and above
07/17/1990US4942005 Microbeads of cellulose acetates
07/17/1990US4941870 Tubes of elastomers with hydrogel on inner surface
07/17/1990CA2007994A1 Constant-boiling, azeotrope-like mixtures of dichlorotrifluoroethane, 1,1-dichloro-1-fluoroethane and methanol and/or ethanol
07/17/1990CA2007587A1 Process for the preparation of low-density flexible polyurthane foams
07/17/1990CA1271897A1 Production of phenolic resin composite foam
07/12/1990WO1990007575A1 Stabilized microporous materials and hydrogel materials
07/12/1990WO1990007546A1 Closed cell microcellular foams and their method of manufacture
07/12/1990WO1990007545A2 Stabilized microporous materials and hydrogel materials
07/12/1990WO1990007407A1 Method and apparatus for preparing thermoplastic foam
07/12/1990DE3931043A1 Moulding filler for use in e.g. shoes - has particles of thermoplastic foam beads with impervious skin enveloped in polyolefin wax which is tough at its service temp.
07/12/1990CA2045533A1 Stabilized microporous materials and hydrogel materials
07/11/1990EP0377507A2 Aqueous dispersion and the preparation of foamed resins therefrom
07/11/1990EP0377323A2 Closed cell microcellular foams and their method of manufacture
07/11/1990EP0377230A1 Substantially closed cell shaped hard phenol foam and method for preparing that phenol foam
07/11/1990EP0377186A2 Process for preparing pre-expanded particles of polyolefin resin
07/11/1990CN1043727A Foamable composition and process for preparing same and rigid foamed article and process for preparing same
07/11/1990CN1043636A Porous membranes
07/10/1990US4940736 Production of low density polypropylene foam
07/10/1990US4940735 Blowing agent masterbatch for the preparation of polystyrene foams
07/10/1990US4940734 Process for the preparation of porous polymer beads
07/10/1990US4940733 Method for foaming high temperature polymers using poly(alkylene carbonates) as foaming agents
07/10/1990US4940732 Unsaturated polyesters, diacyl peroxide, carbonate, glycerol, magnesium aluminum silicate, alkali metal carboxymethyl cellulose
07/10/1990US4940632 Polyurethanes, construction materials
07/10/1990US4940631 Cellular cellulosic wiping material
07/10/1990US4940629 Low density, high strength
07/10/1990CA1271595A1 Steam expanded polymeric composition and method
07/10/1990CA1271594A1 Process for preparing rigid polyurethane foams
07/10/1990CA1271582A1 Hard or fixed based permeable hollow particle dispersions
07/04/1990EP0376671A2 Method and apparatus for preparing thermoplastic foam
07/04/1990EP0376653A2 Non-attritive method for making polyester, polycarbonate or polyamide particles, particles obtainable by the method and their use
07/04/1990EP0376337A2 Production of polyimide foams
07/04/1990EP0376201A1 Biodegradable shaped products and the method of preparation thereof
07/04/1990EP0376064A2 Method for producing a foamed resin
07/04/1990EP0375831A1 Biodegradable shaped products and the method of preparation thereof
07/04/1990EP0375682A1 Fire resistant foam composed of predominantly amide and imide linkages
07/03/1990US4939181 Extrusion, heat resistance, flexibility
07/03/1990US4939020 Core member for fabrication of shaped plastic
07/03/1990US4939019 (meth) acrylic acid, (meth) acrylonitrile, and acrylamide copolymers; waterproofing; high strength
07/03/1990US4938819 Method of making a composite panel of a foam material
07/03/1990CA1271296A1 Lightly crosslinked polyethylene polystyrene blend foams and process for making
07/03/1990CA1271295A1 Polyolefin foam compositions having improved dimensional stability utilizing certain unsaturated nitrogen-containing compounds and process for making same
07/03/1990CA1271096A1 Capsule-shaped polymer particles and process for the production thereof
06/1990
06/30/1990CA2006949A1 Production of polyimide foams
06/30/1990CA2006759A1 Closed cell microcellular foams and their method of manufacture
06/28/1990WO1990006967A1 Self-lubricating materials
06/28/1990WO1990006806A1 Heat resistant microporous material production and products
06/27/1990EP0375004A1 Process for manufacturing a porous organic material, particularly a semi permeable organic membrane having a multitude of different longitudinal channels
06/27/1990EP0375003A1 Process for making a porous organic material, in particular an organic semi-permeable membrane comprising multiple longitudinal spaced bores
06/27/1990EP0374812A1 Process for the preparation of expandable styrene polymers
06/27/1990EP0374810A1 Extruded styrene polymer foam boards
06/27/1990EP0374628A2 Novel polyol composition and the use thereof in the preparation of rigid polyurethane foams
06/27/1990EP0374217A1 Porous particles in preparations involving immiscible phases
06/27/1990CA2006361A1 Method and apparatus for preparing thermoplastic foam