Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910) |
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06/30/1981 | CA1103874A1 Processes and production apparatus for rigid cellular materials comprising polyvinyl chloride |
06/30/1981 | CA1103871A2 Colour-coded cellular insulation |
06/24/1981 | EP0030668A1 Foamed amine terminated reactive liquid polymer/epoxy systems |
06/24/1981 | EP0030556A1 Controlled release of trace nutrients |
06/24/1981 | EP0030535A1 Method and device in manufacturing foamed urea formaldehyde material to be used as a sorbent. |
06/23/1981 | US4275173 Stabilization of polyether polyols and polyurethane foams prepared therefrom |
06/23/1981 | US4275172 Frothable polyurethane composition and a cellular foam produced therefrom suitable for use in joints between wallboards |
06/23/1981 | US4275171 Method for producing flame retardant flexible polyurethane foams with blends of dibromoneopentyl glycol and flame retardant plasticizer |
06/23/1981 | US4275170 Resorcinol-furfural resin |
06/23/1981 | US4275169 Intumescent flexible polyurethane foam having incorporated into the reaction mixture an aliphatic aldehyde |
06/23/1981 | US4275168 Amino acid cell size increasing agent |
06/23/1981 | US4275023 Prefoamed particles are impregnated with a pressurized gas then compression molding |
06/23/1981 | CA1103850A1 Process for the preparation of polymeric foam materials |
06/23/1981 | CA1103849A1 Resin foams |
06/23/1981 | CA1103847A1 Blowing catalyst composition for low density flexible polyurethane foams |
06/23/1981 | CA1103843A1 Crosslinked polyvinyl halide-bis(hydrocarbyl) vinylphosphonate films and foams |
06/23/1981 | CA1103530A1 Composite structure vascular prostheses and process for production thereof |
06/17/1981 | EP0030333A1 Alkyldiphenyl-ether sulfonic acid hydrazides, their production and use as blowing agents |
06/16/1981 | US4273903 Hydrophilic, membranes |
06/16/1981 | US4273901 Dispersible vinylidene chloride polymer microgel powders as additives for polymers |
06/16/1981 | US4273887 Controlling temperature for uniform foaming |
06/16/1981 | US4273886 Polyimides |
06/16/1981 | US4273883 Urea-formaldehyde polymers having reduced formaldehyde emission and cellular urea formaldehyde foam which is resistant to acid-induced hydrolysis |
06/16/1981 | US4273881 Trimethylolpropane, mono- or di-methylphosphonate |
06/16/1981 | US4273880 Foamed polyethylene films |
06/16/1981 | US4273830 Fibrils of cross linked polyester resin having a vesiculated structure |
06/16/1981 | US4273806 Method of forming electrical insulation by extruding polymeric compositions containing hollow microspheres |
06/16/1981 | CA1103400A1 Method of production of compounds showing no shrinkage or increasing their volume in course of setting |
06/10/1981 | EP0030065A1 Object at least locally covered with impact energy absorbing means |
06/09/1981 | US4272583 Flameproofed expandable styrene polymers |
06/09/1981 | US4272467 Solution casting from aprotic solvent |
06/09/1981 | CA1102950A1 Foamable polymer materials |
06/09/1981 | CA1102539A1 Froth aid |
06/03/1981 | EP0029633A2 Polyarylethersulphone copolymers |
06/02/1981 | US4271272 Polyurethane sponges manufactured with additive dispersed therein |
06/02/1981 | US4271271 Fire-retardant monocarboxlylic acid amide copolymers |
06/02/1981 | US4271217 Process for producing polyurethane resins and sheet materials |
06/02/1981 | CA1102500A1 Thermoplastic foamable blends, a foaming method and products made thereby |
06/02/1981 | CA1102498A1 Process for foaming a polymerizable medium using acid sensitive azo compounds with a polymerizable monomer and free radical inhibitor |
06/02/1981 | CA1102497A1 Foamed articles and methods for making same |
06/02/1981 | CA1102227A1 Hot melt thermoplastic adhesive foam system |
06/02/1981 | CA1102070A1 Method of producing electrical insulation foam |
05/27/1981 | EP0029288A1 An acoustical-damping fibrous or cellular material, a process for its preparation and a latex composition useful for its preparation |
05/26/1981 | US4269946 Low density high resiliency foams |
05/26/1981 | US4269871 Coating the particles in an aqueous suspension by dissolving a conjugated diene-based polymer in a blowing agent and impregnating |
05/20/1981 | EP0029021A1 Shaped polyurethane article and process for producing the shaped article |
05/20/1981 | EP0028967A1 Process for producing materials absorbing hyperfrequency waves and absorbing material so obtained |
05/20/1981 | EP0028710A1 Process for producing shaped erasers |
05/19/1981 | US4268650 Sulphonated polyaryletherketones |
05/19/1981 | US4268574 Prefabricated self-supporting panels and manufacture process thereof |
05/12/1981 | US4267277 Method of producing urea-formaldehyde resin and foam having reduced formaldehyde emission |
05/12/1981 | US4267081 High solids polyurethane coatings |
05/12/1981 | CA1100985A1 Haloaryl halobenzenesulfonate flame retardants |
05/05/1981 | US4266043 Resilient hydrophobic foamed polymer |
05/05/1981 | US4266042 Polyether-based polyurethane foams including a flame-retardant system containing antimony trioxide, a chlorinated paraffin and alumina trihydrate and method of preparation |
05/05/1981 | US4266041 Process for the production of foamed plastics from polyolefins |
05/05/1981 | US4266040 Polyazlactone-electron deficient ethylenically unsaturated resinous compositions and method for foaming same |
05/05/1981 | US4266038 Rubber-modified fire-retardant imide copolymers |
05/05/1981 | US4266037 Fire-retardant imide copolymers |
05/05/1981 | US4265965 Polyurethane foam articles coated with a crushed foam and method of producing |
05/05/1981 | US4265851 Process for moulding cellular polycarbodiimide |
05/05/1981 | CA1100700A2 Blowing agents - bis(hydrocarbylsulfonyl) carbohydrazides |
05/05/1981 | CA1100699A1 Bis-tetrazoles as chemical blowing agents |
05/05/1981 | CA1100698A1 Foamable pvc resin formulation, process for foaming, and product thereof |
05/05/1981 | CA1100697A1 Foamable thermoplastic polyester compositions |
05/05/1981 | CA1100696A1 Foamed polyester resin |
05/05/1981 | CA1100695A1 Non-punking non-corrosive phenolic foam |
05/05/1981 | CA1100653A1 Stable polymer gels |
05/05/1981 | CA1100529A2 Blowing agents - bis(hydrocarbylsulfonyl) carbohydrazides |
04/30/1981 | WO1981001148A1 Ultrafiltration of vinyl resin latices and reuse of permeate in emulsion polymerization |
04/29/1981 | EP0027688A1 New blowing agent compositions and their preparation and use |
04/29/1981 | EP0027609A2 Particulate styrene polymers containing an expanding agent, and their use |
04/29/1981 | EP0027556A1 Process for the preparation of foamed flame-resistant styrene polymers |
04/28/1981 | US4264744 Incorporating a low molecular weight polyhydroxy compound |
04/28/1981 | US4264672 Polyolefins used as packaging material |
04/28/1981 | US4264531 Crosslinkable polymer |
04/28/1981 | US4264469 Comprising azodicarbonamide, dinitrosopentamethylenetetramine and propionates |
04/28/1981 | US4263843 Method and apparatus for controlled removal of excess slurry from organic foam |
04/28/1981 | CA1099882A1 Process and apparatus for impregnating microporous films and the product produced thereby |
04/22/1981 | EP0027401A1 Process for preparing resilient polyurethane foams with the aid of triorganosilylpolypentaerythritols |
04/21/1981 | US4263412 Preparation of dimensionally stable one-component polyurethane foams using a two-compartment pressure pack containing an isocyanate-terminated prepolymer in the inner container and pressure medium in the outer container |
04/21/1981 | US4263410 Ambient cure polyimide foam |
04/21/1981 | US4263409 Process for the production of a foamed thermoplastic composition |
04/21/1981 | US4263165 Blowing agent combination comprising azodicarbonamide, zinc oxide and a benzenethiol sulphonic acid derivative |
04/21/1981 | CA1099850A1 Process for the continuous melt thermoforming of foamed polyamide structures |
04/21/1981 | CA1099716A1 Pentate salts of amino-s-triazines |
04/21/1981 | CA1099629A1 Method for producing insect-combatting device |
04/21/1981 | CA1099506A1 Footwear |
04/21/1981 | CA1099464A1 Asymmetric porous film materials and process for producing same |
04/21/1981 | CA1099463A1 Microporous tubes and process for producing the same |
04/16/1981 | WO1981000969A1 Polyvinylidene fluoride resin hollow filament microfilter and process for producing same |
04/15/1981 | EP0026920A2 Process for the production of electrically conductive soft polyurethane foams and electrically conductive plastics composition |
04/15/1981 | EP0026857A2 Flame resistant foamable moulding compositions, process for their preparation and their utilisation |
04/15/1981 | EP0026810A1 Process for coating moulding masses of expandable particulate styrene polymers with dispersions of known coating compositions, and use of the obtained moulding masses |
04/14/1981 | US4262094 Microcellular heterocyclic polymer structures |
04/14/1981 | US4262093 Rigid polyurethane foam-forming compositions |
04/14/1981 | US4262052 Foamed composite material and production thereof |
04/14/1981 | US4261937 Soaking shaped polymer gel in solution of water and metal salt, removing water by soaking in solvents of decreasing polarity, removing solvents |
04/14/1981 | CA1099440A1 Low smoke polyphosphazene compositions |
04/14/1981 | CA1099423A1 Method for producing acrylamide polymers |