| 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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| 02/12/1991 | US4992172 Polyaldehyde activation microporous membrane |
| 02/12/1991 | CA1280041C Pervaporation separation of ethanol-water mixtures using polyacrylic acid composite membranes |
| 02/10/1991 | CA2022834A1 Thermal insulation |
| 02/10/1991 | CA2020696A1 Isocyanurate crosslinked polyurethane membranes and their use for the separation of aromatics from non-aromatics |
| 02/07/1991 | WO1991001339A1 Film, fiber, and microporous membranes prepared from poly(etheretherketone) dissolved in high boiling point polar organic solvents |
| 02/07/1991 | DE3923913A1 Foamed plastics prodn. - by normal foam-prodn. processes, using liq. ammonia or liq. carbon di:oxide as blowing agent |
| 02/06/1991 | EP0411923A2 Polystyrene foam made with only carbon dioxide as a blowing agent and a process for making the same |
| 02/06/1991 | EP0411437A2 Process for producing expansible granulates and foam obtained thereby |
| 02/05/1991 | US4990543 Polyimides, polyamides |
| 02/05/1991 | US4990542 Extruded synthetic resin foam and its manufacturing method |
| 02/05/1991 | US4990541 A dryed blends; diaper, sanitary napkins |
| 02/05/1991 | US4990540 Expandable styrene polymer of high oil resistance and preparation thereof |
| 02/05/1991 | US4990539 Microwave expansion with water, blowing agent, wetting agent and hydrocarbons; pollution control |
| 02/05/1991 | US4990373 Membrane-forming foam composition and method |
| 02/05/1991 | US4990294 Process for producing fluorocarbon membranes and membrane product |
| 02/05/1991 | US4989464 Method and apparatus for determining particle size distribution |
| 02/05/1991 | CA1279949C Process for foaming thermoplastic |
| 02/05/1991 | CA1279947C Polymeric materials having controlled physical properties and processes for obtaining these |
| 02/05/1991 | CA1279942C Naphthalenic derivatized plasticizers for polyphosphazene polymers |
| 01/30/1991 | EP0410607A2 Process for producing uniformly sized beads of styrene/methacrylic acid copolymer |
| 01/30/1991 | EP0410432A2 Process for preparing heat-insulating structural elements and products obtained thereby |
| 01/30/1991 | EP0410357A2 Membrane having hydrophilic surface |
| 01/30/1991 | EP0410302A1 Expandable moulding compounds with higher heat resistance and process for their preparation |
| 01/30/1991 | EP0410291A2 Insert for articles of clothing |
| 01/30/1991 | EP0410240A2 Process for the preparation of polyurea-polyurethane elastomers and elastomers obtained by said process |
| 01/30/1991 | EP0409824A1 Polyimide foam precursor and its use in reinforcing open-cell materials. |
| 01/29/1991 | US4988740 Closed-cell foam for athletic footwear |
| 01/29/1991 | US4988739 Dispersion of oxide gel within cells of polyimide foam etal oxide particles |
| 01/29/1991 | CA2020500A1 Process for the preparation of polyurea-polyurethane elastomers |
| 01/29/1991 | CA1279454C Method of dimensionally stabilizing polystyrene patterns and the like |
| 01/29/1991 | CA1279453C Void-free molded polyurethane articles with surface attachment strips |
| 01/29/1991 | CA1279446C Method and apparatus for foaming of bitumen |
| 01/28/1991 | CA2020778A1 Process for producing uniformly sized beads of a styrene/methacrylic acid copolymer |
| 01/28/1991 | CA2020287A1 Expandable molding compositions having high heat distortion resistance, and the preparation thereof |
| 01/25/1991 | WO1991001342A1 Rigid polyurethane foams |
| 01/25/1991 | CA2063795A1 Rigid polyurethane foams |
| 01/25/1991 | CA2017428A1 Method and apparatus for determining particle size distribution |
| 01/23/1991 | EP0409741A2 Hydrophilic porous material sterilizable with gamma-ray |
| 01/23/1991 | EP0409694A1 Process for producing pearls of expansible polymer and manufactured therefrom |
| 01/23/1991 | EP0409496A2 Microporous membranes |
| 01/23/1991 | EP0409416A2 Method of producing a membrane |
| 01/23/1991 | EP0409199A2 Rigid polyurethanepolyisocyanurate foams and process for preparing the same |
| 01/23/1991 | EP0409035A2 Process for the preparation of flexible polyester polyurethane foams |
| 01/23/1991 | EP0408948A2 Process for expanding crimped polypropylene foam particles |
| 01/23/1991 | EP0408947A2 Melamine resin article with higher elasticity |
| 01/23/1991 | EP0408901A2 Process for the preparation of expandable beads |
| 01/23/1991 | EP0408688A1 Porous membranes. |
| 01/23/1991 | EP0408627A1 Latex-bound fireproofing material |
| 01/23/1991 | EP0408558A1 Hydrophilic polyurethanes prepared from mixed oxyalkylene glycols |
| 01/22/1991 | US4987156 Shock-absorbing polyurethane foam and production process thereof |
| 01/22/1991 | US4987155 Hydrogen formed on curing as foaming agent |
| 01/22/1991 | US4986930 Polyol-blowing agent compositions with improved storage stability |
| 01/22/1991 | US4986928 Binary azeotropic compositions of 1-chloro-1,2,2-trifluorocyclobutane and methanol |
| 01/22/1991 | US4986860 Method for producing a laminated material |
| 01/22/1991 | CA1279440C Non-crosslinked foam |
| 01/22/1991 | CA1279182C Conductive coatings and foams for anti-static protection, energy absorption, and electromagnetic compatability |
| 01/20/1991 | CA2021495A1 Microporous membranes |
| 01/20/1991 | CA2021446A1 Process for preparing expansible polymer beads; materials derived therfrom |
| 01/20/1991 | CA2021417A1 Carboxylic acid modified carbon dioxide co-blown polyurethane-polyisocyanurate foams |
| 01/20/1991 | CA2020845A1 Tubular membrane |
| 01/16/1991 | EP0408378A2 Hydrophilic semi-permeable PTFE membranes and their manufacture |
| 01/16/1991 | EP0408048A2 Method of producing rigid urethane foam |
| 01/16/1991 | EP0407994A1 Lightweight flexible imide foam and method of producing same |
| 01/16/1991 | EP0407684A1 Process for the preparation of microporous film or hollow fibre membranes from polyetheretherketones dissolved in high boiling point polar organic solvents |
| 01/16/1991 | EP0407566A1 Highly air permeable expanded polytetrafluoroethylene membranes and process for making them. |
| 01/15/1991 | US4985468 Porous material and its preparation |
| 01/15/1991 | US4985467 Cellular Polyurethane Foam Containing a Superabsorbent Material |
| 01/15/1991 | US4985303 Process for preparing heat-insulating structural elements, and products obtained thereby |
| 01/15/1991 | US4985296 Fillers, high strength |
| 01/15/1991 | US4984376 Midsole for footwear |
| 01/14/1991 | CA2009836A1 Film fiber, and microporous membranes of poly(etheretherketone)dissolved in high boiling point polar organic solvents |
| 01/11/1991 | WO1991000889A1 Polyphenylene ether-alkenyl aromatic polymer blends having organobromine additives |
| 01/09/1991 | EP0407025A2 Azeotropes of hydrogen containing halocarbons with pentanes |
| 01/09/1991 | EP0407023A2 A process for preparing flexible polyurethane foam using 1,1,1-trichloroethane as a blowing agent |
| 01/09/1991 | EP0406702A1 Preparation of polyurethane foams without using inert blowing agents |
| 01/09/1991 | EP0406680A2 Process for the production of polymeric filters |
| 01/09/1991 | EP0406651A2 A method of improving foam fire resistance through the introduction of metal oxids therein |
| 01/09/1991 | EP0406634A1 Process for the preparation of high temperature resistant foams of polyarylensulphides for thermoplastic injection molding processes |
| 01/08/1991 | US4983685 Using an organic peroxide crosslinker and a detackifier |
| 01/08/1991 | US4983642 Low-speed resilience of a cured mixture of a silicone gum, fine silica particles and a low moleculcar weight hydroxy-terminated siloxane |
| 01/08/1991 | US4983641 By controlling ph of an aqueous buffer solution |
| 01/08/1991 | US4983640 Methods for preparing a formed cellular plastic material pattern employed in metal casting |
| 01/08/1991 | US4983639 Polystyrene, styrene-soluble acrylonitrile-styrene copolymer, C3-C6 hydrocarbon as blowing agent |
| 01/08/1991 | US4983320 Dialkyl dicarbonates as blowing agents for polymers |
| 01/08/1991 | CA1278900C Soft and low-density foam materials from modified copolymers of ethylene with vinyl acetate and/or alkyl esters of acrylic or methacrylic acid |
| 01/08/1991 | CA1278676C Radio frequency energy sensitized compositions and method for sensitizing compositions to radio frequency energy |
| 01/06/1991 | CA2009395A1 Aromatic polyimide separation membrane |
| 01/03/1991 | DE4008359A1 Tris-morpholino:ethyl amine cpd. - useful as urethanation catalyst to give urethane resins and foams with little odour |
| 01/03/1991 | DE3936245A1 Rigid foam for prodn. of sound and heat-insulating materials |
| 01/02/1991 | EP0406206A2 Thermoplastic styrene foams and their preparation |
| 01/02/1991 | EP0405872A1 Suspension polymerization of styrene and methacrylic acid |
| 01/02/1991 | EP0405721A1 Moisture-curing, hot-melt polyurethane adhesive compositions |
| 01/02/1991 | EP0405615A2 Utilization of C3-C5 polyfluoralcanes as gas-propellants |
| 01/02/1991 | EP0405607A2 Stable polymer/polyols made without macromonomer |
| 01/02/1991 | EP0405439A2 Hard foam and its preparation process |
| 01/02/1991 | EP0405378A2 A method of manufacturing polyimide foam shapes having improved density and cell size uniformity |
| 01/02/1991 | EP0405325A2 Pearl-shaped expandable styrene polymers having a high expansion ability |
| 01/02/1991 | EP0405324A2 Process for producing pearl-shaped expandable styrenic polymers |
| 01/02/1991 | EP0405227A2 Low density foamed thermoplastic elastomers |
| 01/02/1991 | EP0405103A2 Extruded ethylenic polymer foam containing both open and closed cells |