Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
11/1991
11/05/1991US5063095 Expandable powder coating composition, method of coating a substrate with heat-insulating foam and composite material obtained thereby
11/05/1991CA2080597A1 Microcellular polyurethane polymers prepared from isocyanate-terminated poly (oxytetramethylene) glycol prepolymers
11/05/1991CA2041756A1 Expandable styrene polymers
11/05/1991CA1291606C Composite plastic moldings and a process for their production
11/05/1991CA1291605C Manufacturing method of a rigid or semi-rigid foamed material and a composite panel
10/1991
10/31/1991DE4013712A1 Environmentally-friendly mfr. of foam-backed plastics parts - using polyurethane lacquer to protect plastic from partly-halogenated blowing agent used in polyurethane foam backing mixt.
10/31/1991DE4013141A1 Prepn. of polyurethane foam mouldings with compact surface
10/30/1991EP0453836A2 Olefin copolymer foams
10/30/1991EP0433391A4 Compositions and process for producing foam plastics
10/30/1991CN1055749A Polymer foams containing blocking agents
10/29/1991US5061736 Foamable silicone rubber composition
10/29/1991US5061394 Refrigerants, aerosol propellants, blowing agents; environmentally safe substitutes for freons"
10/29/1991CA2041162A1 Process for the production of back foamed internal parts for refrigeration furniture
10/26/1991CA2039217A1 Polyurethane foams blown only with water
10/23/1991EP0453286A2 Superabsorbent foam composition
10/23/1991EP0453085A2 Semiconductive rubber foam
10/23/1991EP0452527A1 Process for the production of heatresistant crosslinked ethylene resin foams of open-cell type
10/23/1991EP0452481A1 Process for making flexible polyurethane foam.
10/22/1991US5060291 Foam composite and method of forming same
10/22/1991US5059633 Preparation of flexible polyurethane foams having low compressive strength and block polyoxypropylenepolyoxyethylenepolyol mixtures which can be used for this purpose
10/22/1991US5059631 Extruded ethylenic polymer foam containing both open and closed cells
10/22/1991US5059630 Rapidly dissolving out of high molecular compound in water
10/22/1991US5059629 Biocidal foams
10/22/1991US5059376 Methods for rapid purging of blowing agents from foamed polymer products
10/22/1991US5059220 Composite polymeric membranes for the separation of mixtures of gases and the method of preparation the same
10/22/1991CA1290981C Face-type seal with shroud
10/19/1991CA2039241A1 Superabsorbent foam composition
10/17/1991DE4012030A1 Hydrocarbon blowing agents with b.pt. above 38 deg. C - used for foamed plastics mouldings esp. polyurethane integral foams
10/17/1991DE4012005A1 Prepn. of polyurethane foam mouldings with compact surface
10/16/1991EP0451826A2 Process for producing flexible polyurethane foam having high air flow property
10/16/1991EP0451706A1 Ultra-lightweight, open-pore foamed cellulose materials with large surface areas, having ion-exchangeable functional groups introduced therein
10/16/1991EP0451685A2 Process for preparing moulded articles of polyurethane foams, and moulded articles of this process
10/16/1991EP0430998A4 Improved expandable and expanded alkenyl aromatic polymer particles and methods of making the same
10/15/1991US5057591 Foamability of phenolic resins
10/15/1991US5057547 Mixtures of 2,2-dichloro-1,1,1-trifluoroethane and/or 1,1-dichloro-1-fluoroethane with C5-C6 alkanes for polyurethane foams
10/15/1991US5057546 Phenolic resin, surfactant, blowing agent, wetting agent and acid catalyst
10/15/1991US5057545 Fire retardant foam materials
10/15/1991US5057544 Polyetherurethane copolymer; compressive and flexible strength
10/15/1991CA1290886C Process for the preparation of siloxane-oxyalkylene copolymers
10/15/1991CA1290630C Hydrophilized porous membrane and production process thereof
10/15/1991CA1290522C Heat-shrinkable sheet
10/14/1991CA2040054A1 Process for the production of molded polyurethane foam articles and the molded articles obtained thereby
10/09/1991EP0451016A1 Low boiling azeotropic mixture and its uses as refrigerant fluid-aerosol propellant or expansion agent for plastic foams
10/09/1991EP0450894A1 Porous PTFE structures
10/09/1991EP0450513A1 Polymeric composition comprising transient foam control reagent
10/09/1991EP0450505A2 Polyetherimide foam procursors and foams having improved physical properties and methods of making them
10/09/1991EP0450422A2 Rigid foams using blends of chlorofluorocarbons and hydrocarbons as blowing agent
10/09/1991EP0450403A2 Process for the production of a flame retardant elastic polyurethan soft foam
10/09/1991EP0450380A2 Method for controlling the cure rate of silicone foam
10/09/1991EP0450374A2 Reduction of silicone foam density using buffers
10/09/1991EP0450342A2 Crosslinked polypropylene compositions suitable for the manufacture of foamed articles
10/09/1991EP0450331A1 Process for the production of foamed polystyrene sheets
10/09/1991EP0450308A2 Process for preparing foams using fluorinated blowing agents
10/09/1991EP0450205A1 Moldable shrunken thermoplastic polymer foam beads
10/09/1991EP0450178A1 Glass fibre reinforced polycarbonates containing oxidized polyethylene
10/09/1991EP0362286A4 Flame retardant internally cured polyurethane foam having improved properties
10/09/1991CN1055187A Polymer foams containing gas barrier resins
10/08/1991US5056034 Method and apparatus for controlling the gas content of foam materials
10/08/1991US5055495 Stabilization and foaming of polyvinylchloride resins
10/08/1991US5055288 Vascular magnetic imaging method and agent comprising biodegradeable superparamagnetic metal oxides
10/08/1991US5055272 Method for producing polyurethane foam and apparatus therefor
10/08/1991CA1290497C Flame retardant polyurethane foam compositions
10/07/1991WO1991015288A2 A dynamic mixing system and method for producing thermoplastic materials
10/07/1991CA2079997A1 Dynamic mixing system and method for producing thermoplastic materials
10/07/1991CA2039861A1 Polymeric composition comprising transient foam control agent
10/07/1991CA2038081A1 Azeotropes and the use thereof in the production of rigid foams
10/07/1991CA2038062A1 Azeotropes and the use thereof in the production of rigid foams
10/07/1991CA2038061A1 Azeotropes and the use thereof in the production of rigid foams
10/07/1991CA2038052A1 Azeotropes and the use thereof in the production of rigid foams
10/07/1991CA2038050A1 Azeotropes and the use thereof in the production of rigid foams
10/06/1991WO1991015358A1 Process for manufacturing polystyrene foam film
10/06/1991CA2079818A1 Process for manufacturing polystyrene foam film
10/04/1991CA2039562A1 Polyetherimide foam procursors and foams having improved physical properties and methods of making them
10/03/1991WO1991015362A1 Porous, absorbent, polymeric macrostructures and methods of making the same
10/03/1991WO1991014764A1 Ternary azeotropic compositions of hexafluoropropylene/ethylene cyclic dimer with trans-1,2-dichloroethylene and methanol
10/03/1991WO1991014763A1 Binary azeotropic compositions of hexafluoropropylene/ethylene cyclic dimer with methanol or ethanol
10/03/1991WO1991014732A1 Polymer foams containing blocking agents
10/03/1991WO1991014724A2 Polymer foams containing gas barrier resins
10/03/1991CA2039329A1 Azeotropic mixture having a low boiling point, and uses of same as aerosol propellant, or plastic foam expanding agent
10/03/1991CA2038040A1 Process for preparing foamed bioabsorbable polymer particles
10/03/1991CA2034338A1 Method for controlling the cure rate of silicone foam
10/03/1991CA2034337A1 Reduction of silicone foam density using buffers
10/02/1991WO1991015368A1 Particulate, absorbent, polymeric compositions containing interparticle crosslinked aggregates
10/02/1991EP0449609A2 Process for the production of high resilience flexible polyurethane foams
10/02/1991EP0449604A1 Lightweight polyarylene sulphide resin composition and moulded article thereof
10/02/1991EP0449331A2 Low-foaming polyurethane elastomer
10/02/1991EP0449065A2 Finely divided expandable styrene polymer
10/02/1991EP0448851A1 Reimpregnation of plastic foam particles with an inorganic gas
10/02/1991EP0448784A2 Coating and impregnation system of open-cell-thermoformable substrates
10/02/1991EP0448647A1 Heat resistant microporous material production and products.
10/02/1991CN1055006A Ternary azeotropic compositions of hexafluoropropylene/ethylene cyclic dimer with trans-1,2-dichloroethylene and methanol
10/01/1991US5053438 Foam material
10/01/1991US5053437 Polymethacrylate blown with dimethylbutane; defect-free
10/01/1991US5053435 Pre-foamed particles of uncrosslinked, linear low-density polyethylene and production method thereof
10/01/1991US5053133 Affinity separation with activated polyamide microporous membranes
10/01/1991CA2039434A1 Lightweight polyarylene sulfide resin composition and molded article thereof
10/01/1991CA1290095C Foamed article of chlorinated vinyl chloride resin containing inorganic material and process for preparing thereof
10/01/1991CA1290094C Pre-expanded particles of polyolefin resin and process for preparing the same
09/1991
09/30/1991CA2038420A1 High resiliance flexible polyurethane foams
09/29/1991CA2039287A1 Finely divided, expandable styrene polymers