Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
11/1990
11/22/1990CA2017103A1 Polyurethane foams manufactured with mixed gas/liquid blowing agents
11/21/1990CN1047096A Foamed substances compound, the making process thereof, the synthetic soil made therefrom and its use on insulation
11/20/1990US4972004 Polyisocyanate compositions and foam comprising MDI, polymeric MDI, and a prepolymer of MDI
11/20/1990US4972003 Closed-cell foam, foaming, forming a polyurethane
11/20/1990US4972002 Polyurethane foams
11/20/1990US4972001 Foaming organopolysiloxane composition and cured product thereof
11/20/1990CA1276749C Expandable styrene polymers and styrene polymer foams
11/20/1990CA1276614C Catalyst for producing polyurethane foams coated with skin
11/18/1990CA2016535A1 Dialkyl dicarbonates as blowing agents for polymers
11/15/1990WO1990013585A1 Method of producing rigid foam
11/14/1990EP0397378A1 Hydrochlorofluorocarbon blown rigid polyurethane foams and their preparation
11/14/1990EP0397343A1 Blowing Agents
11/14/1990EP0397222A2 Microporous films
11/14/1990EP0397001A1 Expanding styrene polymerisate
11/13/1990US4970243 Water as blowing agent
11/13/1990US4970241 Coatings
11/13/1990US4970034 Casting, precipitation, extrusion
11/13/1990US4969906 Hydrophilic polymer
11/13/1990CA1276359C Semi-permeable membrane of sulphonated polyarylether sulphones
11/13/1990CA1276356C Method of producing reinforced aqueous emulsion of polydiorganosiloxane
11/12/1990CA2016587A1 Expandable styrene polymers
11/07/1990EP0396046A2 Method for producing expandable thermoplastic polymer particles
11/07/1990EP0395981A1 Expandable styrene polymers
11/07/1990EP0135514B1 Cross linked porous membranes
11/06/1990US4968733 Dissolving polymer in caprolactam as primary solvent
11/06/1990US4968724 Hydrated salt systems for controlled release of water in polyurethane foams
11/06/1990US4968723 Pre-expanded particles of non-crosslinked linear low density polyethylene
11/06/1990US4968533 Method of preparing membranes with low protein adsorbability
11/06/1990US4968466 Expandable thermoplastic resin beads
11/06/1990CA2016052A1 Polyurethane resin and utilization thereof
11/01/1990WO1990007545A3 Stabilized microporous materials and hydrogel materials
10/1990
10/31/1990EP0395133A1 A process for preparing a microporous membrane and such a membrane
10/31/1990EP0394839A1 Sandwich element with improved resistance against stress corrosion, particularly for refrigerated cabibnet housings
10/31/1990EP0394769A1 Halocarbon-free polyurethane foam and its preparation process
10/31/1990EP0394736A2 Polyisocyanurate foam
10/31/1990EP0394487A1 Elastic polyurethane foam and process for its production
10/31/1990EP0175769B1 Polyethylene molding composition and process
10/31/1990CN1046539A Moldable low density thermoplastic composite with hollow glass spheres and method for compounding
10/31/1990CN1046538A Method for reducing hollow glass sphere fracture in thermoplastic resin by in situ polymerizaiton/extrusion
10/31/1990CN1046437A Stable biodegradable foam
10/30/1990US4966921 Method, a compound, and a blowing agent for making plastic foam
10/30/1990US4966919 Composite foams
10/30/1990US4966801 Lightweight composite material
10/29/1990WO1990013593A1 A composite, porous diaphragm
10/29/1990CA2049327A1 Composite, porous diaphragm
10/29/1990CA2014669A1 Expandable styrene polymers
10/28/1990CA2015684A1 Method for producing expandable thermoplastic polymer particles
10/25/1990WO1990012841A1 Polyurethane foam material free of halogenated hydrocarbons and process for producing the same
10/24/1990EP0394207A1 Radar camouflage material
10/24/1990EP0394038A2 Microporous support layer with interfacially polymerized copolyamide membrane thereon
10/24/1990EP0393874A2 Methods for rapid purging of blowing agents from foamed polymer products
10/24/1990CN1046357A Azeotrope-like mixtures of 1,1-dichloro-2,2,2-trifluoroethane and 1,1-dichloro-1-fluoroethane
10/24/1990CN1046341A Process for extraction and recovery of blowing agents from polymeric foams
10/24/1990CA2014761A1 Rigid foam with improved "k" factor by reacting a polyisocyanate prepolymer and polyester polyol containing low free glycol
10/23/1990US4965296 Intumescent fire-retardant and electrically-conductive coating material
10/23/1990US4965291 Method of manufacturing porous membrane and porous membrane manufactured by the same method
10/23/1990US4965290 Low permittivity composite material
10/23/1990US4965123 Opaque oriented polymeric film structure and method of preparing same
10/23/1990US4965029 Adding monomers for forming hard foam to mold containing soft foam, frothing, encapsulating hard foam by soft foam
10/23/1990US4964991 Flat permeable membrane and for manufacture thereof
10/23/1990US4964989 Membranes with low protein adsorbability
10/23/1990US4964936 Curing polymide foam within honeycomb using steam and heat
10/23/1990CA1275357C Resin composition for porous film and film prepared therefrom
10/22/1990CA2013848A1 Composite elements having improved resistance against stress cracking corrosion, most preferably for low temperature housing compartments
10/20/1990WO1990013155A1 Radar camouflage material
10/20/1990CA2031187A1 Radar camouflage material
10/20/1990CA2014802A1 Microporous support layer with interfacially polymerized copolyamide membrane thereon
10/20/1990CA2012906A1 Method for rapid purging of blowing agents from foamed polymer products
10/18/1990WO1990012058A1 Method for obtaining liquid phenol-formaldehyde resin and a foam plastic based thereon
10/18/1990WO1990012047A1 Polyol composition and method of producing rigid polyurethane foam therefrom
10/18/1990WO1990011888A1 Former for use in the manufacture of fibreglass articles
10/18/1990WO1990011820A2 Porous articles
10/18/1990DE3911784A1 Stable 1-component polyurethane foam mixt., esp. for aerosol cans - contg. low-viscosity prepolymer based on poly-ol with mol. wt. 2000-6500, and has nitrous oxide as propellant gas
10/17/1990EP0392760A2 Process for extraction and recovery of blowing agents from polymeric foams
10/17/1990EP0392668A1 Azeotrope-like mixtures of 1,1-dichloro-2,2,2-trifluoroethane and 1,1,-dichloro-1-fluoroethane
10/17/1990EP0392171A2 Foamable thermosetting polyurethane structural adhesive compositions and processes for producing the same
10/17/1990CN1046102A Oriented porous films
10/16/1990US4963420 Filler and floatability material - manufacturing process and tubular units that incorporate this material
10/16/1990US4963416 Method to reduce the damage caused by ionizing radiation to polyurethane/porous expanded polytetrafluroethylene composites by use of hindered phenols
10/16/1990US4963304 Process for preparing microporous membranes
10/16/1990US4963261 Formed by heat fusion of polymer particles; time-release agents; drug delivery
10/16/1990CA1275207C Hydrophilized membrane of porous hydrophobic material and process for preparing the same
10/11/1990DE3911477C1 Process for producing a sprayable, porous insulating material for underground mining
10/10/1990EP0391740A2 Dulled stretched moulding and process for producing the same
10/10/1990EP0391519A1 P-Xylylenediamide/diimide composite ro membranes
10/10/1990EP0391412A1 Insulation material for high-frequency cables
10/10/1990EP0391158A2 Stable biodegradable foam
10/10/1990CN1009901B Prepn. of reganerated cellulose porous membrane by copper amonia method
10/10/1990CA2013879A1 Azeotrope-like mixtures of 1,1-dichloro-2,2,2-trifluoroethane and 1,1-dichloro-1-fluoroethane
10/10/1990CA2013007A1 Process for extraction of blowing agents from polymeric foams
10/10/1990CA2010890A1 Foamable thermosetting polyurethane structural adhesive compositions and processes for producing the same
10/09/1990US4962218 Hydrosilation of polyethers based on an unsaturated diol; polyurethane foam stabilizers; nonionic surfactants; nonhydrolyzing
10/09/1990US4962133 Precipitation polymerization; controlling particle size by varying rate of stirring
10/09/1990US4962132 Method of improving foam fire resistance through the introduction of inorganic particles thereinto
10/09/1990US4961853 Crosslinked polymer formed and held on surface; heat resistance to withstand wet steam sterilization
10/09/1990CA1275021A1 Separating oil emulsions
10/09/1990CA1274982A1 Blowing agent composition
10/04/1990WO1990011318A1 Process for the manufacture of flame-resistant elastic soft polyurethane foam
10/04/1990WO1990011313A1 Method of producing rigid polyurethane foam
10/03/1990EP0390723A2 Light weight polyester article