Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
01/1991
01/02/1991EP0405060A2 Method of manufacturing thermoplastic foam
01/02/1991CA1278648C Process for producing polyurethane foams using foam modifiers
01/01/1991US4981879 Insulation
01/01/1991US4981878 Process for the production of heat curable flexible polyurethane molded foams
01/01/1991US4981755 Polyvinyl chloride
01/01/1991US4981696 Polylactide compositions
01/01/1991US4981631 Process for making lightweight polyester articles
01/01/1991US4981630 Poly(vinyl chloride) pipe insulation fittings
12/1990
12/31/1990CA2020147A1 Stable polymer/polyols made without macromonomers
12/31/1990CA2018185A1 Suspension polymerization of styrene and methacrylate acid
12/29/1990CA2020052A1 Rigid foam and process for producing the same
12/28/1990CA2018279A1 Bead-form expandable styrene polymers having a high expansion capacity
12/28/1990CA2018278A1 Preparation of bead-form expandable styrene polymers
12/27/1990WO1990015838A1 Microporous films
12/27/1990EP0404086A2 Process for preparing extruded foam bodies
12/27/1990EP0238504B1 Method for steam expanding a polymeric composition
12/26/1990CN1048048A Flexible polyurethane foam prepared using trichloroethane as blowing agent
12/25/1990US4980389 Polyetherimide foam precursors and foams having improved physical properties and methods of making them
12/25/1990US4980388 Adduct with jefferamines
12/25/1990US4980384 Foamable silicone rubber composition and method for curing the same
12/25/1990US4980383 Foamed article of chlorinated vinyl chloride resin containing inorganic material
12/25/1990US4980382 Process for the preparation of expandable vinyl aromatic polymer particles containing hexabromocyclododecane
12/25/1990US4980381 Preparation of bead-form expandable styrene polymers
12/25/1990US4980102 Chopping, mixing with precursor powder, heating, curing
12/25/1990US4980004 Method of manufacturing polyimide foam shapes having improved density and cell size uniformity
12/25/1990US4979963 Heating aqueous suspension of beads and solvent dye in closed vessel
12/19/1990EP0403313A2 Flexible polyurethane foams prepared using low unsaturation polyether polyols and a process for preparing the same
12/19/1990EP0403095A1 Azeotropes of hydrogen-containing halocarbons with butanes
12/19/1990EP0403066A2 C02 blown integral skin foams
12/19/1990EP0402939A2 Urethane catalysts
12/19/1990EP0402905A2 Method for producing a molded product of integral-skin polyurethane foam
12/19/1990EP0402901A2 Polytetrafluoroethylene porous material and process for producing the same
12/19/1990EP0402883A2 Midsole for footwear
12/19/1990CN1047871A Polyisocyanurate foam
12/18/1990US4978690 Lightweight fireproof composite
12/18/1990US4978575 Method for the production and processing of reactant mixtures of plastics
12/18/1990US4978455 P-xylylenediamide/diimide composite RO membranes
12/18/1990CA1277815C Process for the preparation of lightweight, planar molded articles
12/16/1990CA2019090A1 Urethane catalysts
12/16/1990CA2019061A1 Flexible polyurethane foams prepared using low unsaturation polyether polyols
12/15/1990CA2018958A1 Innersole for footwear
12/15/1990CA2018919A1 Low density foamed thermoplastic elastomers
12/13/1990WO1990014935A1 Process and device for producing mouldings, in particular for structural elements, insulations and/or packaging, and mouldings so obtained
12/13/1990DE4018371A1 Bio:absorbable moulded articles
12/12/1990EP0402294A1 Recycling process of paint removal waste and final product
12/12/1990EP0402196A2 Hydrophilic porous membrane and process for preparing the same
12/12/1990EP0402120A2 Countercurrent separation process and apparatus
12/12/1990EP0402022A1 Polyisocyanate and polyol composition
12/12/1990EP0401844A2 Resorbable moulded articles and method for their preparation
12/12/1990EP0401838A1 Method of making a composite energy absorbing material
12/12/1990EP0401722A1 Use of blowing compositions
12/12/1990EP0401664A2 Process for producing highly heat resistant foams and foams based on aromatic polyetherketones
12/12/1990EP0401486A1 Selectively permeable membrane
12/12/1990EP0401335A1 Self-lubricating materials
12/12/1990EP0360852A4 Novel particulate expandable styrene polymers having short minimum molding times and method for preparing same
12/12/1990CA2018727A1 Flexible polyurethane foam prepared using 1,1,1-trichloroethane as a blowing agent
12/11/1990US4977200 Vulcanizable blend of an ethylene-propylene copolymer and an organopolysiloxane polymer
12/11/1990US4977194 Fireproofing using expanded graphite
12/11/1990US4977193 Stabilization and foaming of polyvinylchloride resins
12/11/1990US4977015 Thermoplastic fiber forming polymer
12/11/1990US4976962 Biodegradable polypeptide and the use thereof for the gradual release of drugs
12/11/1990US4976902 Molding method for producing expanded polyolefin foam
12/11/1990US4976897 High viscosity ultraviolet curable polymer
12/11/1990US4976862 Process for extraction and recovery of blowing agents from polymeric foams
12/11/1990US4976859 Dissolving in e-caprolactam
12/11/1990CA1277471C Process for the preparation of molded articles having a cellular core and a denser peripheral zone which exhibit improved demolding characteristics
12/11/1990CA1277470C Partially flexibilized extruded plastic foam panel and method for making thereof
12/09/1990CA2018401A1 Composite energy absorbing material
12/08/1990CA2018637A1 Countercurrent separation process and apparatus
12/08/1990CA2016564A1 Selectively permeable membrane
12/05/1990EP0400709A2 Dialkyl dicarbonates as blowing agents for polymers
12/05/1990EP0400443A2 Polyurethane foams manufactured with mixed gas/liquid blowing agents
12/05/1990EP0400402A1 Fire protection materials
12/05/1990EP0374217A4 Porous particles in preparations involving immiscible phases
12/04/1990US4975469 Oriented porous polypropylene films
12/04/1990US4975228 Process for preparing membranes from tetrahalobisphenol polycarbonates
12/02/1990WO1990015094A1 Expandable phenolic resin composition and method of producing the same
12/02/1990CA2033171A1 Foamable phenolic resin composition and process for preparation thereof
12/02/1990CA2017992A1 Cooling of porous materials
12/02/1990CA2017991A1 Controlled cooling of porous materials
11/1990
11/29/1990WO1990014385A1 Continuous sheet of electron beam crosslinked foam
11/29/1990WO1990014384A1 Endothermic blowing agents compositions and applications
11/29/1990WO1990014383A1 Process for manufacturing a prepreg for use as a reinforcing inlay and use of said prepreg
11/29/1990WO1990011820A3 Porous articles
11/28/1990EP0399600A1 Process for manufacturing a product composed of polyurethane layers
11/28/1990EP0399554A2 Foamable silicone composition, silicone sponge, and silicone sponge roll
11/28/1990EP0399142A2 Stabilizer compositions for polyols and polyurethane foam
11/28/1990CN1047317A Porous articles
11/27/1990US4973670 Method for preparing hollow latexes
11/27/1990US4973610 Expandable styrene polymers
11/27/1990US4973434 Immobilized liquid membrane
11/27/1990CA1277071C Method of producing aqueous latex of crosslinked polydiorganosiloxane
11/27/1990CA1276758C Process for making substrates for printed circuit boards
11/22/1990EP0398601A1 Hydrophobic membranes
11/22/1990EP0398508A1 A separation membrane for use in a pervaporation process and a separation method thereof
11/22/1990EP0398304A1 Flexible polyurethane foams and process for preparing them
11/22/1990EP0398162A2 Process for producing polyurethane foams
11/22/1990EP0398148A2 Preparation of urethane and isocyanurate foams in the presence of a low boiling point blowing agents
11/22/1990EP0398147A2 A foaming system for rigid urethane and isoyanurate foams
11/22/1990EP0398125A1 A method of making a polyurethane-foam sealant having saturated hydrocarbon-resin skeleton