| 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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| 01/17/1990 | EP0350969A2 Process for producing a foamed article of a fluorocarbon resin | 
| 01/17/1990 | EP0350481A1 Composition and process for drying and expanding microspheres. | 
| 01/16/1990 | US4894488 High frequency signal cable with improved electrical dissipation factor and method of producing same | 
| 01/16/1990 | US4894395 Expandable polyolefin compositions and polyolefin foam preparation process | 
| 01/16/1990 | US4894191 Preparation of polyolefin foams | 
| 01/10/1990 | EP0349796A1 Production of foamed polymer structures | 
| 01/10/1990 | EP0223832B1 Coated glass microbubbles | 
| 01/10/1990 | CN1038661A Polyethylene composition, objects made therefrom and process for manufacture of foamed objects | 
| 01/10/1990 | CN1006385B Process for production of paste-forming vinyl chloride polymers | 
| 01/09/1990 | US4892892 Polyaryl phosphate, hydrolytic stability | 
| 01/09/1990 | US4892891 Novel foam compositions | 
| 01/09/1990 | US4892854 Dispersions and the preparation of foamed resins therefrom | 
| 01/09/1990 | US4892544 Methods for forming hollow, porous-surfaced elastomeric bodies | 
| 01/08/1990 | EP0300038A4 Microporous asymmetric polyfluorocarbon membranes. | 
| 01/03/1990 | EP0348852A1 Bulk polymerized cycloolefin monomers containing microencapsulated blowing agents | 
| 01/03/1990 | EP0348722A1 Production of foamed polymer structures | 
| 01/03/1990 | EP0348459A1 Improved composite membranes, their manufacture and their use | 
| 01/03/1990 | EP0348425A1 Protective surface treatment and relative product. | 
| 01/02/1990 | US4891387 Bulk polymerized cycloolefin monomers containing microencapsulated blowing agents | 
| 01/02/1990 | US4891135 Solvent resistance | 
| 12/28/1989 | WO1989012659A1 Microporous films | 
| 12/28/1989 | WO1989012658A1 A process for producing phenolic foams | 
| 12/27/1989 | EP0348372A2 A process and a device for preparation of expanded thermoplastic microspheres | 
| 12/27/1989 | EP0348352A2 Process for preparing finely divided porous cellulose particles | 
| 12/27/1989 | EP0348199A1 A process for producing phenolic foams | 
| 12/27/1989 | EP0348033A2 Foam composite and method of forming same | 
| 12/27/1989 | EP0347691A2 Polyurethane amide provided with a contoured multi-laver film, its use and a method for making it | 
| 12/27/1989 | EP0347565A2 Fibre-reinforced thermoplastic integral foam, and process for its preparation | 
| 12/27/1989 | EP0347528A2 Process for preparing moulded objects | 
| 12/27/1989 | EP0347413A1 Cross-linked foamed block copolymer compositions | 
| 12/26/1989 | US4889875 Phenolic resin foams of high filler content and their use as insulation | 
| 12/26/1989 | US4889750 Carbon in polymeric matrix | 
| 12/26/1989 | US4889744 Mixing particles and silicone; curing; dissolving out silicone | 
| 12/26/1989 | US4889671 Production method of prefoamed particles of polyolefin resin | 
| 12/26/1989 | US4889632 Crosslinked globules of addition polymers connected by covalent bonds to form voids; for biopolmers, such as proteins, enzymes, polypeptides | 
| 12/20/1989 | EP0346670A2 Process for the preparation of polyurethane soft-foams | 
| 12/20/1989 | CN1038107A Method of dehydrating macromolecular substances | 
| 12/19/1989 | US4888398 Biodegradable polypeptide and the use thereof for the gradual release of drugs | 
| 12/19/1989 | US4888379 Anionic, cationic resin | 
| 12/19/1989 | US4888241 Inorganic particulate, such as titanium dioxide mixture being adhered to and embedded in the surface of thermoplastic polymer | 
| 12/19/1989 | US4888217 Silicone foam masses | 
| 12/19/1989 | CA1263998A1 Hydrophilic, flexible, open cell polyurethane poly (n- vinyl lactam) interpolymer foam and dental and biomedical products fabricated therefrom | 
| 12/14/1989 | WO1989012135A1 Coated textile materials | 
| 12/14/1989 | WO1989012073A1 Graphic art printing media using a syntactic foam based on expanded hollow polymeric microspheres | 
| 12/14/1989 | DE3916873A1 Process for the preparation of cellular plastics by the polyisocyanate polyaddition process, and a catalyst combination therefor | 
| 12/13/1989 | EP0345967A2 Treatment of hazardous materials with aqueous air foam of polyhydroxy polymer | 
| 12/13/1989 | EP0345678A2 Shock-absorbing polyurethane foam and production process thereof | 
| 12/13/1989 | EP0345580A2 Process for introducing flowing agents to at least one of the fluid reaction components used in the production of cellular polyurethane materials | 
| 12/13/1989 | CN1037843A Cuprammonia method for preparing regenerated cellulose porous membrane | 
| 12/12/1989 | US4886839 Surface treatment with polyfunctional polyisocyanate | 
| 12/12/1989 | US4886837 Process for preparing rigid polyvinyl chloride stractured foams having superior surface characteristics | 
| 12/12/1989 | US4886836 Activated medium with low non-specific protein adsorption | 
| 12/12/1989 | US4886702 Impregnation of textile with coagulated latex | 
| 12/12/1989 | US4886626 Conductive polyurethane foam compositions containing tetralyanoethylene and method | 
| 12/12/1989 | CA1263802A1 Foam compositions used in paper treatment | 
| 12/06/1989 | EP0344538A2 Process for post-treating pre-expanded polyolefin resin particles | 
| 12/06/1989 | EP0344537A1 Use of 1,1,1,4,4,4-hexafluorobutane as a blowing and insulating agent for the production of synthetic foams | 
| 12/06/1989 | EP0344312A1 Hydrophilic, porous polyvinylidene fluoride membrane and process for its preparation | 
| 12/06/1989 | EP0132265B1 Method for manufacturing cellular products and laminates based on furan prepolymers | 
| 12/05/1989 | US4885315 Irradiation with high frequency elcectromagnetic waves a polar group-containing polymer having benn impregnated with a blowing agent to effect heating and foaming | 
| 12/05/1989 | US4885206 Blend of melamine-formaldehyde resin and polyimide; fireproofing | 
| 12/05/1989 | US4885086 Hydrophilic microporous membrane and process for preparing same | 
| 12/05/1989 | CA1263799A1 Method for the preparation of semi-rigid polyurethane modified polyurea foam compositions | 
| 11/29/1989 | EP0344022A1 Methods for producing phenol resin foams and foamed laminates | 
| 11/29/1989 | EP0343999A1 Polyimide foams and their production | 
| 11/29/1989 | EP0343473A2 Expansible polymer in particle form | 
| 11/29/1989 | EP0343459A2 Method of dehydrating macromolecular substances | 
| 11/29/1989 | EP0343247A1 Porous polytetrafluoroethylene membrane, separating apparatus using same, and process for their production | 
| 11/29/1989 | EP0343180A1 Method for forming thermoformable polyurethane foam articles. | 
| 11/29/1989 | CN1037523A Hydrophilic foam compositions | 
| 11/28/1989 | US4883913 But-3-en-1-ol compounds, mixtures of catalysts and blowing agents for polyurethanes | 
| 11/28/1989 | US4883827 Recurable and cured cellular materials | 
| 11/28/1989 | US4883825 Process for the manufacture of low density, flexible polyurethane foams | 
| 11/28/1989 | US4883824 Aromatic sulfonic acid and dihydric phenol to produce closed cell foam | 
| 11/28/1989 | US4883593 Filling pores of cellulose semipermeable membrane with hexane, spraying with water | 
| 11/23/1989 | EP0342944A2 Multi-stage opacifying polymer particles containing non-polymeric acid absorbed therein | 
| 11/23/1989 | EP0342941A2 Composition for plastic article with unitarily molded foam layer | 
| 11/23/1989 | EP0342750A1 Polyethylene composition, objects made therefrom and process for the manufacture of foamed objects | 
| 11/23/1989 | EP0342480A1 Foam laminate and method of making it | 
| 11/23/1989 | EP0342239A1 Porous membrane and process for its production | 
| 11/21/1989 | US4882364 Using ethylene oxide-propylene oxide block copolymer surfactant, catalyst and blowing agent | 
| 11/21/1989 | US4882363 Process for the production of polyurethane foam moldings | 
| 11/21/1989 | US4882362 Foamed microbeads and a process for their preparation | 
| 11/21/1989 | US4882361 Compact cellular molding with a compact skin by the rim system using a polyisocyanate, a polyether or polyamine and a chain extender comprising an n,n'-diaminophenylkkurea | 
| 11/21/1989 | US4882108 Method for producing polypropylene foam | 
| 11/21/1989 | US4882057 Composition and process for separating fluid mixtures | 
| 11/16/1989 | WO1989010945A1 Composition for obtaining isocyanurateurethane foam plastics | 
| 11/15/1989 | EP0342026A2 Microporous membranes having increased pore densities and process for making the same | 
| 11/15/1989 | EP0341469A2 High strength silicone foam, and methods for making | 
| 11/15/1989 | EP0341330A1 Reinforcement insert for a structural member and method of making and using the same | 
| 11/15/1989 | CN1037163A Carbon black-filled and process of preparing same | 
| 11/15/1989 | CN1037159A Process for producing a low density foamed polyethylene | 
| 11/14/1989 | US4880843 Composition and process for making porous articles from ultra high molecular weight polyethylene | 
| 11/14/1989 | US4880842 Multi-stage opacifying polymer particles containing non-polymeric acid absorbed therein | 
| 11/14/1989 | CA1262998A1 Foaming and vulcanizing of elastomeric polymers | 
| 11/14/1989 | CA1262994A1 Membranes | 
| 11/09/1989 | EP0259492A4 Polyurethane foam composition for immobilization in traumatology. | 
| 11/09/1989 | DE3814783A1 Expandable polymer alloy in particle form, and process for the preparation thereof | 
| 11/08/1989 | EP0341210A1 Polyurethane syntactic foam modeling stock | 
| 11/08/1989 | EP0341151A2 Hydrophilic porous membrane, method of manufacturing the same and liquid filter using the same |