Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
03/1990
03/14/1990EP0358021A2 Process for the preparation of polyurethane foams
03/14/1990EP0357934A2 Foamable polymerisate based on polyphenylene oxide and a vinylaromatic compound, process for its preparation and use thereof
03/14/1990CN1007166B Permeable tarpaulin paint for fabric
03/13/1990US4908393 Random copolymer of propylene and butylene; energy absorbing bumper core material
03/13/1990US4908391 Mixing inorganic opacifier with expandable thermoplastic resin microspheres, expanding
03/13/1990US4908271 Capsule-shaped polymer particles and process for the production thereof
03/13/1990US4908265 Articles of manufacture and their production
03/13/1990US4908251 Laminated sheet of thermoplastic resin, hot melt polymer porous sheet, porous substrate
03/13/1990US4908174 Placing hardenable plastic material and accelerator into mold, the composition containing a water in oil emulsion, hardening, dewatering, drying
03/08/1990WO1990002151A1 Improved expandable and expanded alkenyl aromatic polymer particles and methods of making the same
03/08/1990WO1990001899A1 Vascular magnetic imaging method and agent
03/07/1990EP0357021A2 Membrane manufacturing process
03/07/1990EP0356822A2 Process for producing a foamed polyvinyl alcohol film
03/07/1990EP0356714A1 Rigid foam as core material for laminates
03/06/1990US4906715 N,N'-divinylalkylurea crosslinked polymers, a process for their preparation, and their use
03/06/1990US4906672 Blowing agents for polyurethane foam
03/06/1990US4906423 Methods for forming porous-surfaced polymeric bodies
03/06/1990US4906377 Fluorocarbon membranes and process for making fluorocarbon membranes
03/06/1990US4906374 Filtration media with low protein adsorbability
03/06/1990US4906011 Vacuum chuck
03/06/1990US4905367 Manufacture of stretchable porous sutures
03/01/1990DE3829104A1 Polyurethane foam-forming mixture of a prepolymer and an active ingredient used as plasticiser
02/1990
02/28/1990EP0356045A2 Formation of halogenated polymeric microporous membranes having improved strength properties
02/28/1990EP0355937A2 Balloon and manufacture thereof
02/28/1990EP0355874A1 A method for preparing a high resilient polyurethane foam
02/28/1990EP0355872A1 A method for preparing a flexible polyurethane foam
02/28/1990EP0355713A2 Polyurethane foam prepared with reduced levels of hard halocarbon blowing agents
02/28/1990EP0355600A2 Method for reducing silicone foam density, and silicone foam compositions
02/28/1990EP0355531A2 Process for preparing articles from expandable polystyrene
02/28/1990EP0355429A2 Method for reducing silicone foam density and silicone foam compositions
02/28/1990EP0355380A2 Low viscosity silicone foam compositions
02/28/1990EP0355214A1 Process for producing microporous ultra-high molecular weight polyolefin membrane
02/28/1990EP0185012B1 PROCESS FOR EXTRUDING FOAMED STYRENE POLYMERS WITH $g(a)-POLYOLEFIN ADDITIVES AND UTILIZING RECYCLED MATERIAL AND THE COMPOSITIONS FOR PROCESSING
02/28/1990CN1040039A Multi-stage opacifying polymer particles containing non-polymeric acid absorbed therein
02/27/1990US4904707 Novel polyol composition and the use thereof in the preparation of rigid polyurethane foams
02/27/1990US4904705 Polyurea foams made from N-(polyoxyalkyl)-N-(alkyl)amines
02/27/1990US4904702 Foamable engineering thermoplastic compositions
02/27/1990US4904427 Inorganic power, organic solvent foaming agent and vinyl chloride polymer
02/22/1990WO1990001516A1 Opacifiers for paints and coatings
02/22/1990WO1990001295A1 Receptor mediated endocytosis type mri contrast agents
02/21/1990EP0354907A1 Moldable silane-crosslinked polyolefin foam beads.
02/21/1990CN1039756A Foam composite and method of forming same
02/20/1990US4902722 Polyvinycidene choloride
02/20/1990US4902721 Foamable thermoplastic polymers and a method for foaming
02/20/1990US4902565 Water absorbent structures
02/20/1990US4902511 Fibrous and cartilaginous tissue replacement
02/20/1990US4902456 Fluorocarbon membranes and process for making fluorocarbon membranes
02/20/1990US4902424 Ultrafiltration thin film membranes
02/20/1990US4902423 Filter aids, substrates for coatings, porosity
02/20/1990EP0332682A4 Neutralized perfluoro-3,6-dioxa-4-methyl-7-octene sulphonyl fluoride copolymer surface for attachment and growth of animal cells.
02/20/1990CA1266150A1 Foams of linear low density polyethylene and a method for their preparation
02/14/1990EP0354632A2 Fire protected foamed polymeric materials and filler compositions
02/14/1990EP0354514A2 Fluoro-oxidized polymeric membranes for gas separation and process for preparing them
02/14/1990EP0354511A1 Flexible polyurethane foam composition
02/13/1990US4900762 Production of foamed polymer structures
02/13/1990US4900761 Heating precursors to foam, curing
02/13/1990US4900759 Phenolic foams
02/13/1990US4900654 Photographic elements containing reflective or diffusely transmissive supports
02/13/1990US4900490 Foam material
02/13/1990US4900444 A porous membrane for blood components and method for manufacturing thereof
02/13/1990US4900365 Azeotrope-like compositions of trichlorofluoromethane, dichlorotrifluoroethane and isopentane
02/13/1990CA1265897A1 Foaming of unsaturated polyester resins at elevated temperatures
02/13/1990CA1265896A1 Manufacturing method for phenol resin foam
02/13/1990CA1265895A1 Method of making plastics cellular material
02/07/1990EP0353701A2 An extruded synthetic resin foam and its manufacturing method
02/07/1990EP0190286B1 Hollow microspheres made from dispersed particle compositions and methods and apparatus for producing them
02/07/1990CN1006709B Plastic foam from mixed resin of polyolefine and polystyrene
02/07/1990CN1006692B Method and apparatus for manufacture three-dimensional reinforcing part
02/06/1990US4898894 Film forming binders containing low density composite opacifiers
02/06/1990US4898893 Mixtures of liquid hydrocarbons and halogenated aliphatic hydrocarbons
02/06/1990US4898892 Methods for preparing opaque coatings and applying the same
02/06/1990US4898763 Cured polyimide foam structures and their production
02/06/1990US4898760 Process and apparatus for extruding a low density elastomeric thermoplastic foam
02/06/1990CA1265647A1 Expandable thermoplastic resin particles
02/06/1990CA1265341A1 Nitro urea based blowing agents
02/05/1990EP0334952A4 Flame retardant polyurethane foam composition containing polybrominated alkybenzene and polyaryle phosphate.
02/01/1990DE3825987A1 Formable and densifiable fibre mat for producing formed articles by application of pressure and temperature
01/1990
01/31/1990EP0353148A2 Porous hollow fiber membrane of polypropylene and method for production thereof
01/31/1990EP0353061A2 Blowing agents for polyurethane foam
01/31/1990EP0352802A2 Breathable microporous film and method for making it
01/31/1990EP0352765A2 Process for preparing membranes from tetrahalobisphenol polycarbonates
01/30/1990US4897432 Production of foamed polymer structures
01/30/1990US4897276 Process and composition for protecting and cushioning
01/30/1990US4897234 Articles of manufacture and their production
01/30/1990CA1265300A1 Foam composition
01/30/1990CA1264905A1 Hollow microspheres made from dispersed particle compositions
01/30/1990CA1264904A1 Flat permeable membrane and method for manufacture thereof
01/30/1990CA1264903A1 Membrane made by extraction from solidified polymer- seed forming agent/filler/membrane
01/25/1990WO1990000465A1 A method for the manufacture of a polymeric material with internal cavities
01/25/1990WO1990000438A1 Expanded polytetrafluoroethylene tubular container
01/25/1990DE3824993A1 Process for producing porous, permeable structural components from a pulverulent or granular starting material
01/24/1990EP0352199A2 Hydrophilic material and method of manufacturing the same
01/24/1990EP0351943A2 Process for producing solid resilient polymer particles with open pores
01/24/1990EP0351614A2 Process for the preparation of cellular synthetic resins by the isocyanate polyaddition process by means of a stable emulsion containing a propellant, and these emulsions
01/24/1990EP0351584A1 Porous polytetrafluoroethylene hollow yarn and preparation thereof
01/24/1990EP0351544A2 Production of foamed polymer structures
01/23/1990US4895749 Liquid permeable thermoplastic films
01/23/1990CA1264724A1 Process for the production of a porous structure comprising an organic material dispersed in a binder
01/17/1990EP0351231A1 Method for the preparation of polymeric foams
01/17/1990EP0351080A1 Process for producing flexible polyurethane foam