| 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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| 03/27/1991 | EP0419020A1 Pressure-sensitive adhesive comprising hollow tacky microspheres and macromonomer-containing binder copolymer |
| 03/27/1991 | EP0418603A2 Blowing compositions |
| 03/27/1991 | EP0418369A1 Oriented porous films |
| 03/27/1991 | EP0418285A1 Coated textile materials. |
| 03/27/1991 | EP0165952B1 Shaping of ceramic materials |
| 03/26/1991 | WO1991004289A1 Expandable composition based on vinyl chloride polymers, plasticizers and solid expanding agents, and a process for producing it |
| 03/26/1991 | US5002984 Product for the absorption of metal ions |
| 03/26/1991 | US5002047 Supporting or cushioning body part with pad of open-celled foam impregnated with water curable polyurethane |
| 03/26/1991 | CA2067128A1 Pasty expandable composition based on vinyl chloride polymers, plasticizers and solid blowing agents and process for its preparation |
| 03/26/1991 | CA1281868C Polystyrene bead expansion process |
| 03/24/1991 | CA2025931A1 Heat distortion resistant, expandable styrene polymers having a high capacity for expansion |
| 03/22/1991 | CA2024508A1 Water-absorbent, high capacity polyurethane foams |
| 03/20/1991 | EP0418151A1 Alveolar cellulose material with improved water retention and process for its preparation |
| 03/20/1991 | EP0417606A2 Method of making highly adsorptive copolymers |
| 03/20/1991 | EP0417405A2 Process for producing a thermoplastic polymeric foam |
| 03/20/1991 | EP0417366A2 Process for the production of polyurethane foam |
| 03/20/1991 | EP0408558A4 Hydrophilic polyurethanes prepared from mixed oxyalkylene glycols |
| 03/20/1991 | EP0375682A4 Fire resistant foam composed of predominantly amide and imide linkages |
| 03/20/1991 | EP0316446A4 Improved conductive polyurethane foam compositions and method |
| 03/20/1991 | CN1012039B Composite membranes for enhanced fluid separation |
| 03/20/1991 | CA2025397A1 Chemical blowing agent |
| 03/19/1991 | US5001164 Polyurethane foam prepared with reduced levels of hard halocarbon blowing agents |
| 03/19/1991 | US5000991 Adding dianhydride to polyester resin, melting, mixing with blowing agent, extruding, foaming |
| 03/19/1991 | US5000891 Expandable polystyrene pellets |
| 03/19/1991 | US5000813 Method of improving foam fire resistance through the introduction of metal oxides thereinto |
| 03/19/1991 | CA2021958A1 Pressure-sensitive adhesive comprising hollow tacky microspheres and macromonomer-containing binder copolymer |
| 03/19/1991 | CA1281848C Pellets of chlorinated vinyl chloride resin composition, pre-expanded particles and process for preparing thereof |
| 03/19/1991 | CA1281847C Divinylbenzene in expandable beads for cup molding |
| 03/19/1991 | CA1281845C Process for producing asphalt-blended polyurethane foams |
| 03/19/1991 | CA1281701C Modified phenolic foam catalysts and method |
| 03/19/1991 | CA1281625C Waterproof article and method of, making a waterproof article |
| 03/14/1991 | DE4001156C1 Cellular polyurethane and/or polyurea moulding prodn. - involves air injection moulding reactive mixt. in presence of surfactant organo:polysiloxane |
| 03/14/1991 | DE3930594A1 Moulded foam prods., esp. of polystyrene foam - by extrusion, using mixt. of above 30 wt. per cent 1,1-di:fluoro-1-chloro-ethane and water and-or nitrogen as blowing agent |
| 03/13/1991 | EP0416806A1 A porous polytetrafluoroethylene resin material |
| 03/13/1991 | EP0416777A2 Polymeric foams |
| 03/13/1991 | EP0416616A2 Process for preparing composite hollow particles |
| 03/13/1991 | EP0416516A2 A method of forming a foamed gasket |
| 03/13/1991 | EP0416229A2 Process for preparing a soft elastic sealing foam with fine pores for sealing covers and casings |
| 03/13/1991 | EP0343180A4 Method for forming thermoformable polyurethane foam articles |
| 03/13/1991 | CA2025035A1 Cellular cellulosic material with improved water retention and preparation of the latter |
| 03/12/1991 | US4999385 Carbonaceous foams |
| 03/12/1991 | US4999384 Hexamethylenediamine, terephthalic and isophthalic acid monomers; rigidity, chemical resistance |
| 03/12/1991 | US4999070 New articles of manufacture and their production |
| 03/07/1991 | CA2024621A1 Expandable powder coating composition, method of coating a substrate with heat-insulating foam and composite material obtained thereby |
| 03/06/1991 | EP0415744A2 Process for the production of expanded particles of a polyolefin resin |
| 03/06/1991 | EP0415599A2 Density reduction in flexible polyurethane foams |
| 03/06/1991 | EP0415277A2 Process for preparing polyolefin beads |
| 03/06/1991 | EP0415208A2 Use of polysiloxane-polyoxyalkylene block copolymers in the preparation of rigid polyurethane foams |
| 03/06/1991 | EP0415159A2 Liquid polyisocyanate mixtures, process for their preparation and their use for the preparation of polyurethane foams |
| 03/06/1991 | EP0414971A1 Fire retardant composition, method of forming same and use of the fire retardant composition for preparing flame retarded polymer foams |
| 03/06/1991 | EP0414868A1 Process for the manufacture of flame-resistant elastic soft polyurethane foam. |
| 03/06/1991 | CN1049671A Expanded articles of biodegradable plastics materials and method for their production |
| 03/05/1991 | US4997858 Method for preparing a flexible polyurethane foam |
| 03/05/1991 | US4997706 Thermal insulation; polyfluorocarbon blowing agent; ozone layer preservation |
| 03/05/1991 | US4997603 Process for formation of halogenated polymeric microporous membranes having improved strength properties |
| 03/05/1991 | US4997589 Azeotrope-like compositions of 1,2-difluoroethane and dichlorotrifluoroethane |
| 03/05/1991 | CA1280879C Absorptive devices |
| 03/01/1991 | CA2024290A1 Polymeric foams |
| 02/28/1991 | DE3930824A1 Rigid foam for prodn. of sound and heat-insulating materials |
| 02/27/1991 | EP0414570A2 Material of construction for the inside of the fan case of a turbofan engine and the method of preparing the same |
| 02/27/1991 | EP0414252A2 Open-pore shaped article, its production and use |
| 02/26/1991 | US4996242 Polyurethane foams manufactured with mixed gas/liquid blowing agents |
| 02/26/1991 | US4996240 Cohesive foamed structures, using good and poor solvents for acrylic polymer |
| 02/26/1991 | US4996109 Polymerizing methacrylic acid, and methacrylonitrile to form polymethacrylimide; heating with a blowing agent and conductive particles; used in aircraft as core material |
| 02/26/1991 | US4996103 Multilayer; polystyrene overcoating on polyurethane foam |
| 02/26/1991 | US4996097 High capacitance laminates |
| 02/26/1991 | US4995545 Thermosetting resin heat expansable microsphere and filter; curing, crosslinking; hollow structures |
| 02/26/1991 | CA1280566C Process for preparing pre-expanded particles of thermoplastic resin |
| 02/24/1991 | WO1991002552A1 Superabsorbent material, superabsorbent structure, absorbent article and process for preparing said superabsorbent |
| 02/24/1991 | CA2064871A1 Superabsorbent material, superabsorbent structure, absorbent article and process for preparing said superabsorbent |
| 02/21/1991 | WO1991002023A1 Expanded articles of biodegradable plastics materials and a method for their production |
| 02/21/1991 | WO1991002021A1 Foamed heat-insulating material |
| 02/21/1991 | WO1991001791A1 Process for treating a porous substrate to achieve improved water and oil repellency |
| 02/20/1991 | EP0413627A2 Particles of gelatin and amino acid to be blended in resins |
| 02/20/1991 | EP0413255A2 Method for manufacturing a foam-insulated electric wire |
| 02/20/1991 | CN1049384A Diaphragm, assembly of diaphragm and cathode element, and process for manufacturing them |
| 02/20/1991 | CN1049297A Microporous membranes |
| 02/19/1991 | US4994502 Process for the preparation of integral skin polyurethane steering wheels |
| 02/19/1991 | US4994501 Curable polyimide resin and low boiling alcohol blowing agent |
| 02/19/1991 | US4994500 Heating elements, wet suits; medical pads; having active zirconium complex |
| 02/19/1991 | US4994499 Method of adding flame retardant to vinyl aromatic polymers made in a one-step process |
| 02/19/1991 | US4994322 Pressure-sensitive adhesive comprising hollow tacky microspheres and macromonomer-containing binder copolymer |
| 02/19/1991 | US4994202 Solvent cleaning; refrigerants, aersol propellants, blowing agents for polymers |
| 02/19/1991 | CA2023387A1 Polymer product for the selective absorption of dissolved ions |
| 02/19/1991 | CA1280549C Pre-expanded particles of propylene resin |
| 02/19/1991 | CA1280547C Foams |
| 02/19/1991 | CA1280546C Flame retardant polyurethane foams |
| 02/19/1991 | CA1280545C Process for the preparation of an isocyanurate modified polyurethane foam and a polyurethane foam prepared by the process |
| 02/18/1991 | CA2016390A1 Composite yarn and method and apparatus for making composite yarns |
| 02/17/1991 | CA2021381A1 Particles of gelatin and amino acid to be blended in resins |
| 02/16/1991 | WO1991002577A1 Blotting methods using polyaldehyde activated membranes |
| 02/16/1991 | CA2059549A1 Blotting methods using polyaldehyde activated membranes |
| 02/16/1991 | CA2015820A1 Density reduction in flexible polyurethane foams |
| 02/13/1991 | EP0412917A1 Diaphragm, association of such a diaphragm with a cathodic element and their process of manufacture |
| 02/13/1991 | EP0412715A1 Thermal insulation |
| 02/13/1991 | EP0412172A1 Heat-shrinkable, tubular foam |
| 02/13/1991 | CN1049108A Extrusion of hollow fibre membranes |
| 02/12/1991 | US4992485 Microporous peek membranes and the preparation thereof |
| 02/12/1991 | US4992483 1-Fluoro-1,1-dichloroethane auxillary blowing agent |
| 02/12/1991 | US4992482 Polyphenylene ether - alkenyl aromatic polymer blends having organobromine additives |