| 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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| 04/08/1981 | EP0026618A1 Process for the preparation of an acylation product from a mixture of chitin derivatives |
| 04/08/1981 | EP0026554A1 Process for producing foamed articles of an aromatic polyester |
| 04/08/1981 | EP0026399A1 Porous semipermeable cellulose acetate membranes modified by ionic groups, process for their production and their use |
| 04/08/1981 | EP0026204A1 Process for the production of alkali metal-cellulose-silicates and their reaction products |
| 04/07/1981 | US4260688 Flame-proofing of flexible polyurethane foamed plastics by post-treatment using aqueous ammoniacal combinations of benzenephosphonic acid/melamine salts and polymeric chlorine-containing latex |
| 04/07/1981 | US4260572 Methyl chloride-dichlorodifluoromethane blowing agent, flowability improver |
| 04/07/1981 | CA1099050A1 Flame retardant rigid thermoplastic foams |
| 04/07/1981 | CA1099048A1 Sheet-like structure of polyurethane, which is capable of absorbing water vapor and transmitting water vapor |
| 04/07/1981 | CA1098914A1 3,3'-carbonylbis(carbazates) as blowing agents |
| 04/01/1981 | EP0025973A2 Porous semipermeable membrane based on polyacrylonitrile modified by amidoxime groups, process for its preparation and their use |
| 04/01/1981 | EP0025822A2 Process for preparing polysiloxane-polyoxyalkylene copolymers and their use in preparing polyurethane foams |
| 03/31/1981 | US4259455 Mixing organohydrogensiloxane, hydroxylated organosiloxane, platinum catalyst, and aluminum silicate |
| 03/31/1981 | US4259454 Curable organic resin compositions and foaming method |
| 03/31/1981 | US4259453 Hydrazodicarboxylate blowing agent for expanding polymeric material |
| 03/31/1981 | US4259402 Bonding with foamed hot melt adhesives |
| 03/31/1981 | CA1098650A1 Cellular urea-formaldehyde resin and method of preparing the same |
| 03/25/1981 | EP0025639A1 Process for preparing porous cellulose spherical particles |
| 03/25/1981 | EP0025572A1 Dialkoxy-phosphonyl-N-alkyl-formic acid amides and their use as additives during the preparation of flame-coverable and high-frequency weldable polyurethane foams |
| 03/24/1981 | US4258141 Adding fireproofing, blowing agents |
| 03/24/1981 | US4258140 And curable to a polyurethane foam upon contacting the air, said prepolymers being copolymers of tertiary amine-containing polyethers or polyesters, with a polyisocyanate compound |
| 03/24/1981 | US4258138 Method of foaming thermoplastic polymeric materials using tetrazole-containing heterocycles |
| 03/24/1981 | US4258137 Incorporating an epoxy resin and curing agent to attain rigidity |
| 03/24/1981 | US4257997 Stretching in transverse direction to first uniaxial stretch |
| 03/18/1981 | EP0025063A1 Low density, extruded ethylenic polymer foams. |
| 03/17/1981 | US4256868 Epoxy resins containing chemically bonded metal atoms |
| 03/17/1981 | US4256850 Article and process simulating plantation crepe rubber |
| 03/17/1981 | US4256845 Porous sheets and method of manufacture |
| 03/17/1981 | US4256844 Fire retardant, thermosetting, resinous reaction products of phosphoric acid and methyol- or alkoxymethyl-substituted epoxides |
| 03/17/1981 | US4256840 Macroreticular cation exchange beads and preparation of same |
| 03/17/1981 | US4256803 Phenolic resin foam |
| 03/17/1981 | US4256786 Impregnation with ammonium polyphosphate, a carbonific, active carbon, acrylic resin, protective colloid, water |
| 03/17/1981 | CA1097671A1 Catalytic process for the preparation of phosphazene polymers |
| 03/17/1981 | CA1097468A1 Method for the preparation of reticulate thermoset resin structures by thermal reticulation of foams |
| 03/11/1981 | EP0024791A1 Process for preparing scorch inhibited polyurethane foam and polyurethane foam thus obtained |
| 03/11/1981 | EP0024550A1 Expandable composition based on EPDM rubber or polychloroprene and closed cell sponge rubber made therefrom |
| 03/10/1981 | US4255527 For polyurethanes, ethanol and dibutyl phthalate |
| 03/10/1981 | US4255526 Method of producing a moisture- and heat-resistant flexible polyurethane foam |
| 03/10/1981 | US4255525 Coating with antistatic betaines |
| 03/10/1981 | US4255524 Cyclized polybutadiene, hollow spheres |
| 03/10/1981 | US4255488 Polyimide fibers |
| 03/10/1981 | US4255376 Solvent stretch process for preparing microporous films from precursor films of controlled crystalline structure |
| 03/10/1981 | US4255372 Process for the production of foam materials on polyolefin basis |
| 03/10/1981 | US4255371 Process for producing olefinic resin foams |
| 03/05/1981 | WO1981000569A1 A polymerizable water-based composition |
| 03/04/1981 | EP0024324A1 Foamable synthetic resin compositions that contain a glycol ester compound, and process for preparing resin foams |
| 03/03/1981 | US4254228 Fatty acid ester-organic polyisocyanate reaction product |
| 03/03/1981 | US4254177 Polyurethane foam with fireproof filler, for mattresses |
| 03/03/1981 | CA1096999A1 Polyphosphazene polymer/organic polymer blends and foams therefrom |
| 03/03/1981 | CA1096990A1 Finely distributed polyvinyl chloride molding compositions capable of being sintered |
| 02/25/1981 | EP0024075A1 Curable organic resin compositions and foaming method |
| 02/24/1981 | US4252909 Foaming and crosslinking an ethylene-alpha olefin co- or terpolymer having 55-73% ethylene units; specifications on break elongation, tensile strength, and viscosity |
| 02/24/1981 | US4252908 Process for the preparation of phenol-formaldehyde foams |
| 02/24/1981 | US4252907 Process for preparing a porous composite material |
| 02/24/1981 | US4252906 Process for preparing foamed and crosslinked shaped articles having improved heat-sealability and foamable and crosslinkable polyethylene resin composition used therefor |
| 02/24/1981 | CA1096117A1 Process for stretching incremental portions of an orientable thermoplastic substrate and products therefrom |
| 02/18/1981 | EP0023987A1 Stable filler-polyol dispersions, process for their preparation and their use in the preparation of polyurethane plastics that may be foamed |
| 02/17/1981 | US4251635 By incorporating into reaction mixture before foaming a ketone or benzaldehyde |
| 02/17/1981 | US4251634 And reaction with saccharides using lewis acid catalysts |
| 02/17/1981 | US4251605 Dried porous acrylonitrile polymer membrane, process for producing same and separators made therefrom |
| 02/17/1981 | US4251584 Foamed polyolefin film or sheet product |
| 02/17/1981 | US4251462 Reacting 1,5,9-cyclododecatriene with carbon monoxide and hydrogen, removing catalyst, reacting with hydrogen and ammonia |
| 02/17/1981 | US4251411 Process for the manufacture of organic polymer polyol |
| 02/11/1981 | EP0023789A2 Process for preparing porous acylated chitin derivative and use of said derivative |
| 02/11/1981 | EP0023646A1 Surface-sealed moulded bodies of cellular polyurethane elastomers, a process for their preparation, and their use |
| 02/11/1981 | EP0023553A1 Process for foaming expandable polystyrene granules and process for the manufacture of a building element |
| 02/10/1981 | US4250224 From aluminum oxide or hydroxide, a phenol resin and furfuryl alcohol |
| 02/10/1981 | US4250138 Process for producing microporous tubes of polytetrafluoroethylene |
| 02/10/1981 | US4250002 Polymeric microporous separators for use in electrolytic processes and devices |
| 02/10/1981 | CA1095650A1 Flame-retarding, expandable molding compositions of styrene polymers |
| 02/10/1981 | CA1095649A1 Process for the production of foams |
| 02/03/1981 | US4248931 Dimensionally stable structural foam plastic product |
| 02/03/1981 | US4248924 Asymmetric porous film materials and process for producing same |
| 02/03/1981 | US4248812 Acrylonitrile polymer or copolymer, foamed, melt spun and heat treated |
| 02/03/1981 | US4248811 Safety tires, methods and equipment therefor |
| 02/03/1981 | CA1095200A1 Polyphosphazene plasticized resins |
| 01/28/1981 | EP0022994A1 Cellular elastomer foams and process for their preparation |
| 01/28/1981 | EP0022902A1 Process for producing foam plastics plates |
| 01/27/1981 | USRE30497 Crosslinked olefin polymer having improved flame retardance |
| 01/27/1981 | US4247652 Thermoplastic elastomer blends with olefin plastic, and foamed products of the blends |
| 01/27/1981 | US4247651 Zinc peroxide foaming agent |
| 01/27/1981 | US4247650 Expanded particulate material of polyolefin resin |
| 01/27/1981 | US4247498 Thermoplastics |
| 01/27/1981 | US4247413 Reaction product of ethoxylated propoxylated alkylenediamine, dibutyl maleate, vinylpyrrolidone |
| 01/27/1981 | US4247412 Azodicarbonamide, a zinc peroxide, and an acid, hydrazide, anhydride, or triazole |
| 01/27/1981 | CA1094750A1 Polyphosphazene polymer/silicone rubber blends and foams therefrom |
| 01/27/1981 | CA1094422A1 Polymeric sheets |
| 01/22/1981 | WO1981000169A1 Electrical cable with cellular insulating material,and process for the preparation thereof |
| 01/21/1981 | EP0022624A1 Process for setting a polychloroprene-latex |
| 01/20/1981 | US4246361 Method for producing flame- and smoke-resistant polyurethane foam sheet by incorporation of a urea derivative in reaction mixture |
| 01/20/1981 | US4246358 Fire-resistant material and process |
| 01/20/1981 | US4246357 Copolymers of ethylene and their use in the preparation of foamable plastics |
| 01/20/1981 | US4246356 Exothermic reactions of polymerization and blowing form flexible open-celled foams |
| 01/20/1981 | US4246351 Protein adsorbent |
| 01/20/1981 | US4246211 Process for the production of foam materials on polyolefin basis |
| 01/20/1981 | CA1094250A1 Foamable polyphenylene oxide composition |
| 01/14/1981 | EP0022415A1 Electric cable with cellular insulation material and method of its manufacture |
| 01/14/1981 | EP0022336A1 Premix compositions for use in the production of flame retardant polyurethane foams |
| 01/13/1981 | US4245081 Mixture of glycol chain extenders |
| 01/13/1981 | US4245055 Acrylonitrile-butadiene copolymer, vinyl chloride homo- or copolymer, and polymethyl methacrylate |
| 01/13/1981 | US4245053 Macroreticular itaconic acid ion exchange resin and process for its preparation |