Patents
Sitemap › C08 - Organic macromolecular compounds; Their preparation or chemical working-up; Compositions based thereon › C08J - Working-up; General processes of compounding; After-treatment not covered by subclasses , , , or › C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
06/1990
06/26/1990US4937273 Process for producing antibacterial flexible polyurethane foam
06/26/1990US4937272 Heating a mixture of a styrene based polymer and a foaming agent
06/26/1990US4937271 Process for post-treating pre-expanded polyolefin resin particles
06/26/1990CA1271000A1 Antistatic polyurethane foam
06/26/1990CA1270999A1 Sealing compositions
06/23/1990CA2006540A1 Non-attritive method for making polyester polycarbonate or polyamide particles, particles obtainable by the method and their use
06/23/1990CA2004152A1 Rigid polyphosphazene foam and process for making same
06/23/1990CA2003966A1 Extruded styrene polymer foam sheets
06/23/1990CA2003488A1 Process for the preparation of expandable styrene polymers
06/22/1990CA2004320A1 Organic porous material manufacturing process namely an organic semi-permeable membrane with spaced lengthwise multi-channels
06/22/1990CA2004319A1 Organic porous material manufacturing process, namely an organic semi-permeable membrane with spaced lengthwise multi-channels
06/21/1990DE3940907A1 Flame resistant polymer foam
06/21/1990DE3842846A1 Process for the production of polyolefin sandwich mouldings
06/20/1990EP0373559A2 Spherical, cellular silicone rubber microparticles and method for their preparation
06/20/1990EP0373441A1 Process for preparing styrenic foam particles
06/20/1990EP0373402A2 Expandable polyetherimide resins
06/20/1990EP0373400A2 Insulated conductor and method of producing the same
06/20/1990CN1043090A Process for preparing membranes from tetrahalobisphenol polycarbonates
06/19/1990US4935452 Filling open-cell polymer foam with gel containing fine particles of metal oxide in water
06/19/1990US4935365 Macroporous particles for cell cultivation or chromatography
06/16/1990CA2005879A1 Heat resistant microporous material production and products
06/16/1990CA2003150A1 Preparation of styrene polymer foam particles
06/14/1990WO1990006339A1 Polystyrene foam containing carbon black
06/14/1990WO1990006331A1 Novel foam compositions
06/13/1990EP0372871A2 Foam composition
06/13/1990EP0372846A2 Process for producing polyester resin foam
06/13/1990EP0372540A2 Flame retardant compositions
06/13/1990EP0372539A2 Polyol composition, polyisocyanate-based foams prepared therefrom and process for preparing the same
06/13/1990EP0372343A1 Polystyrene foam containing carbon black
06/13/1990EP0372292A2 Process for the production of moulded parts from polyurethane foams.
06/13/1990EP0219548B1 Polyolefin foam compositions having improved dimensional stability utilizing certain unsaturated nitrogen-containing compounds andprocess for making same
06/12/1990US4933375 Foaming putty plug repair composition and method
06/12/1990US4933374 Stabilizer compositions for polyols and polyurethane foam
06/12/1990US4933081 High filtration flow rate
06/12/1990CA2004824A1 Spherical, cellular silicone rubber microparticles and method for their preparation
06/07/1990DE3840670A1 Pressed mouldings of rigid polyurethane foam, process for their production and their use for absorbing oil
06/07/1990CA2004727A1 Polyether polyol formulations for hard cfc replacement by water blowing in rigid polyurethane foams
06/07/1990CA2004721A1 Flame retardant compositions
06/06/1990EP0371652A1 Stabilisation of melamine and/or urea dispersions in polyols and polymer polyols
06/06/1990EP0371309A2 Process for preparing elastic polyurethane foams by means of microwave foaming
06/06/1990EP0371258A2 Surface-hydrated porous polyacrylonitrile substrates, such as beads derivatives thereof, process for their preparation, and methods for their use
06/05/1990US4931484 Rods for paving joints; ethylene homo-and copolymers; blends; non-outgassing, moisture resistance, compression strength
06/05/1990US4931482 Use of 1,1,1,4,4,4-hexaefluorobutane as a blowing and insulating gas for the production of foam plastics
06/05/1990US4931480 Small amount of gas charging; liquid blowing agent, inert gas
06/05/1990US4931479 Emi/rfi shielding, conductive filler; lightweight, flexible
06/05/1990US4931478 Process for the preparation of an expandable vinyl plastisol
06/05/1990US4931477 Reducing storage and transporting costs; shrinking bulk volume
06/05/1990CA1270096A1 Lower density silicone elastomeric foam
06/05/1990CA1270095A1 Method of producing elastomeric silicone foam
06/05/1990CA1270094A1 Water-blown silicone foam
05/1990
05/31/1990WO1990005760A1 Stabilisation of melamine and/or urea dispersions in polyols and polymer polyols
05/31/1990WO1990005758A1 Heat-resistant foam-shrinkable film
05/30/1990EP0370509A2 Composite polymeric membranes for the separation of gas mixtures and their preparation
05/30/1990EP0370287A1 Foamable molding compositions
05/30/1990EP0370260A2 Porous polymer beads and process
05/30/1990EP0370259A2 Process for the preparation of porous polymer beads
05/29/1990US4929646 Copolymers with polyethers or polyesters
05/29/1990CA1269797A1 Elastic foamed material containing large amount of metallic component
05/29/1990CA1269505A1 Polymer membrane
05/23/1990EP0369466A2 Preparation of a porous film of polytetrafluoroethylene
05/23/1990EP0368846A1 Polytetrafluoroethylene coating of polymer surfaces
05/23/1990CN1042368A Bubble-contg. ethylene / alpha-olefin rubber
05/23/1990CA2003450A1 Porous polyacrylonitrile polymer beads and process
05/23/1990CA2003448A1 Process for the preparation of porous polyacrylonitrile polymer beads
05/22/1990US4927863 Process for producing closed-cell polyurethane foam compositions expanded with mixtures of blowing agents
05/22/1990US4927860 Polyamide powder formed by particles having a gypsum rose structure and process for preparing such powder
05/22/1990US4927859 Styrene polymer, polyphenylene ether, mixture of blowing agents
05/22/1990US4927858 Reduce mold cool time
05/22/1990US4927576 Method for the manufacture of flat permeable membrane
05/22/1990US4927044 Heat insulating case and process for preparing the same
05/22/1990CA2003486A1 Composite polymeric membranes for the separation of mixtures of gases and the method for preparation the same
05/22/1990CA1269495A1 Expanded particles of modified polyethylene and foamed articles obtained therefrom
05/22/1990CA1269494A1 Heat-foamable crosslinked propylene resin composition in the form of a melt-shaped sheet structure
05/17/1990WO1990005165A1 Dynamically vulcanized alloys of crystalline polyolefin resin and halobutyl rubber material
05/17/1990WO1990005007A1 Porous membranes
05/17/1990WO1990005006A1 Extrusion of hollow fibre membranes
05/16/1990EP0368612A1 Use of conductive polyurethane foams
05/16/1990EP0368302A2 Process and apparatus for the production of foamed polyolefin sheets
05/16/1990EP0368195A2 Silicone polyether copolymers and process for their preparation
05/16/1990EP0368003A2 Microporous polyether ether ketone membranes and the preparation thereof
05/16/1990EP0367798A1 A method, a compound, and a blowing agent for making plastic foam
05/15/1990US4925880 Mixing with wax, shaping, heating; flexibility
05/15/1990US4925730 Liquid active substance slow releasing device
05/15/1990US4925606 Method for enhancing thermal expandability of direct-injection foams
05/15/1990US4925499 Method of and an apparatus for controlling a quantity of an explosive gas mixture in a workpiece treatment chamber
05/15/1990CA2002892A1 Stabilization of melamine dispersions in polyols and polymer polyols
05/15/1990CA2001260A1 Foamable molding compositions
05/15/1990CA1269199A1 Polymerized foamed or reinforced translucent panels and process for making same
05/09/1990EP0367409A2 Method of producing a foamed polymer
05/09/1990EP0367390A2 Deoxidizer film
05/09/1990EP0367363A2 Compositions and process for separating fluid mixtures
05/09/1990EP0367337A1 Membrane container with plugged pores
05/09/1990EP0367239A2 Urethane compostion
05/09/1990CN1041960A Preparation of styrene polymer foam and product
05/08/1990US4923907 Closed-cell, lightweight, heat resistance, flakes
05/08/1990US4923904 Process for producing polyurethane foam
05/08/1990US4923903 Consoidating or sealing toxic wastes or spills by applying a polyetherurethane chemically modified by a dye with water or a diamine to a substrate to form a gelled polyurea
05/08/1990US4923902 Process and compositions for reinforcing structural members
05/08/1990US4923654 Blowing agent for expandable polymeric foams
05/08/1990US4923651 Method of manufacturing polyimide foam shapes having improved density and cell size uniformity
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