Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
01/1989
01/10/1989US4797310 Polymer with surfactant
01/10/1989CA1248695A1 Combination blowing agent and filler for thermoplastic foams
01/04/1989EP0297744A2 Process for making microporous products and the products thereof
01/04/1989EP0297614A2 Improved process for the preparation of organopolysiloxane surfactants
01/04/1989EP0297519A1 Process for the preparation of integral skin polyurethane steering wheels
01/04/1989EP0297317A2 Manufacturing method of a rigid or semi-rigid foamed material and of a composite panel made therefrom
01/04/1989CN1030086A Flexible polyurea or polyurea-polyurethane foams prepared from high equivalent weight amine-terminated compounds and process for preparing same
01/03/1989US4795765 Process for the production of epoxy silicate products
01/03/1989US4795763 Insulation, fireproofing material
01/03/1989CA1248295A1 Closed cell phenolic foam
01/03/1989CA1248294A1 Polyester polyurethane foam based medical support pad
01/03/1989CA1247853A1 Quaternized cellular polymers from amine terminated poly(aminoethers) and polyfunctional epoxides
01/03/1989CA1247817A1 Process for the production of closed celled foamed shaped bodies formed of cross-linked polyolefins
01/03/1989CA1247816A1 Lightly crosslinked linear olefinic polymer foams and process for making
12/1988
12/28/1988EP0296823A2 Interpenetrated polymer films
12/28/1988EP0296449A1 Process for the preparation of room-temperature curing soft polyurethene foams
12/28/1988EP0296446A2 Process for manufacturing moldable, rigid and semirigid elements, in particular lightweight, selfsupporting and soundproofing articles
12/28/1988EP0296438A2 Pre-foamed particles of uncrosslinked, linear low-density polyethylene and production method thereof
12/28/1988EP0296408A1 Low density extruded foam having high compressive strength
12/28/1988EP0296240A1 Process of producing a fibrillated semi-interpenetrating polymer network of polytetrafluoroethylene and silicone elastomer and shaped products thereof.
12/28/1988CA1247800A Silicone sponge rubber composition
12/28/1988CA1247799A Foamable organosiloxane compositions
12/28/1988CA1247798A Foam-containing polyurethane(urea) compositions and process for the preparation thereof
12/28/1988CA1247795A Polyethylene moulding composition and process
12/27/1988US4794128 Porous film
12/27/1988US4794127 Opened cell foams
12/27/1988US4793980 Hollow porous microspheres as substrates and containers for catalyst
12/27/1988US4793956 Blend of polyethylene, ethylene-alpha olefin copolymers and filler; melt forming, stretching
12/27/1988US4793882 Process for producing three-dimensional stiffening element of a meltable plastic powder or a powder mixture containing meltable plastic powder and application thereof to a substrate, particularly shoe parts
12/21/1988EP0296052A1 Heat-resistant foamed material
12/21/1988EP0295568A2 A process for manufacturing rigid polyurethane foam
12/21/1988EP0295421A2 Process for preparing phenolic resin foams with improved heat insulating properties
12/20/1988US4792574 Stable, low viscosity polymer/polyisocyanate dispersion made using a macromolecular monomer and a functional monomer
12/20/1988US4792573 Solid state polymerization of previously prepared porous, fibrous mass of polyester prepolymer; elevated temperature
12/20/1988US4792572 Novel particulate expandable styrene polymers having short minimum molding times and method for preparing same
12/20/1988CA1247300A1 Sprayable and foamable insulating composition
12/20/1988CA1247133A2 Blowing agents and their use in preparations of polyester foams
12/20/1988CA1246817A1 Hardening slurry of eopxy resin and amide compound of ethylene amine ad fatty acid
12/20/1988CA1246816A1 Quenching and treating polysulfone membrane
12/15/1988WO1988009801A1 Foamed polymeric materials and method for preparing the same
12/15/1988DE3817889A1 Verfahren zum herstellen von tabakrauchfiltern A process for the manufacture of tobacco smoke filters
12/14/1988EP0294783A2 Expandable thermoplastic resin beads
12/13/1988US4791147 Cap liners; butylene, propylene homopolymers, copolymers
12/13/1988US4791146 Method of preparing dimensionally stable, flexible urethane foam and the foam produced thereby
12/13/1988US4791145 Citric acid and sodium bicarbonate foaming agent
12/13/1988US4791144 Oriented propylene homo- or copolymer; air and moisture permeable
12/13/1988US4791143 Butylene and ethylene homopolymers or copolymers, blowing agents; cushioning, insulation
12/13/1988US4790967 Method and apparatus for expanding loose fill material, such as expandable polystrene pellets
12/13/1988CA1246334A1 Highly absorbent substrate article
12/07/1988EP0294186A2 Activated medium
12/07/1988EP0294161A1 Composite articles
12/06/1988US4789720 Improved mechanical strength and dimensional stability
12/06/1988US4789690 Polyurethane foam and process for its preparation
12/06/1988CA1246286A1 Polyorganosiloxane compositions
12/01/1988WO1988009352A1 Rapid cure of polyurethane foam with ammonium containing materials
12/01/1988WO1988009351A1 Flame retardant internally cured polyurethane foam having improved properties
12/01/1988WO1988009350A1 Improved conductive polyurethane foam compositions and method
11/1988
11/30/1988EP0293125A2 Surfactant composition for rigid urethane and isocyanurate foams
11/30/1988EP0292627A1 Building blocks
11/30/1988CN88102873A Composite membranes for enhanced fluid separation
11/29/1988US4788230 Process for making a low density syntactic foam product and the resultant product
11/29/1988US4788226 Polyamide membranes
11/29/1988US4788225 Low density porous elastic cross-linked polymeric materials and their preparation
11/23/1988EP0292325A2 Membrane system
11/23/1988EP0291764A1 Method of manufacturing foamed polypropylene resin sheet
11/22/1988CA1245400A1 Antimicrobially effective organic foams and methods for their preparation
11/22/1988CA1245399A1 Expandable phenolic resin-coated composite beads, a process for production thereof and a process for molding thereof
11/22/1988CA1245208A1 Dual surface materials
11/22/1988CA1245029A1 Molding process using room temperature curing silicone coatings to provide multiple release of articles
11/17/1988WO1988008869A1 Shaped articles from polyester and cellulose ester compositions
11/17/1988WO1988008864A1 Foams of polyolefin/polystyrene resin mixture
11/17/1988WO1988008861A1 Preexpanded polyolefin resin particles and process for their preparation
11/17/1988WO1988008860A1 Foam material
11/17/1988EP0291455A2 Heat foamable and curable epoxy resin mixture
11/17/1988EP0291348A2 Stable dispersions of polyols containing polyvinylchloride and process for preparing them
11/17/1988EP0291197A2 Non-settling foams
11/17/1988EP0291179A1 Preparation of alkenyl aromatic polymer foam and product
11/17/1988EP0291100A2 Polishing cloth
11/17/1988EP0290943A2 Production method of prefoamed particles of polyolefin resin
11/17/1988EP0290881A2 Process for preparing lightweight construction elements
11/15/1988US4785024 Blowing agents to form multicells
11/15/1988US4785023 Heat resistant, smokeless, nontoxic molding material
11/15/1988US4785022 Use of rubbery copolymers to decrease coffee leakage in foam cups
11/15/1988US4784904 Water as blowing agent for polyurethane foam
11/09/1988EP0290195A1 Process for dispersion polymerizing butadiene
11/09/1988EP0289859A2 Printed microporous material
11/09/1988EP0289627A1 Gas-permeable waterproof membrane and process for its production
11/08/1988USRE32780 Core material for an automobile bumper
11/08/1988US4783489 Manufacturing process of porous resin mold containing continuous holes and casting mold
11/08/1988US4783295 Supplying liquid-gas mixture to static mixer, pressurization, and curing-reduction of voids
11/08/1988US4783294 Process for preparing foamed article of vinyl chloride resin containing a large amount of inorganic particles
11/08/1988US4783292 Method of injection molding a foamed plastic article using a relatively light gas as a blowing agent
11/08/1988CA1244600A1 Foaming system for rigid urethane and isocyanurate foams based on polyethers and aromatic polyester polyols
11/08/1988CA1244205A1 Production process of pre-foamed particles
11/02/1988EP0289321A2 Method for preparing antistatic expandable polystyrene
11/02/1988EP0289238A2 Porous material and its preparation
11/02/1988EP0288874A2 Microporous membranes from polypropylene
11/02/1988CN88100643A Process of producing fibrillated semi-interpenetrating polymer network of ptfe and silicone elastomer and shaped products thereof
11/01/1988US4782098 Expandable thermoplastic resin beads
11/01/1988US4782097 Process for the preparation of hollow microspheres