Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
10/2003
10/02/2003US20030187080 Preparation of macroreticular polymers
10/02/2003US20030186041 Cellulosic particles, spherical object comprising cross-linked polymer particles, and adsorbent for body fluid purification
10/02/2003US20030186039 Foamed polypropylene resin sheet
10/02/2003US20030185717 Process and device for producing foam using carbon dioxide dissolved under pressure
10/01/2003EP1348732A1 An olefinic resin composition and their moldings
10/01/2003EP1196486B1 Method of producing foamed slabs
10/01/2003EP1137700B1 Method for producing expandable polystyrene particles
10/01/2003EP1023367B1 Flame resistant rigid polyurethane foams blown with hydrofluorocarbons
10/01/2003EP1007589B1 Coupling of blends of alpha-olefin/vinyl aromatic monomer or hindered aliphatic vinyl monomer interpolymers with polyolefins
10/01/2003EP0897411B1 Method for manufacturing foamed cellulose products
10/01/2003EP0841354B1 Foam made from modified polypropylene resin and process for the production thereof
10/01/2003CN1446359A Lead-coated complex porous structures, and corresponding method for conductive activation
10/01/2003CN1122687C Composition of air permeable film with high working property and permeability and its production method
10/01/2003CN1122482C Cleaning element for rotating brush, made of ethylene vinyl acetate(EVA) copolymer
10/01/2003CA2424260A1 Foam comprising ethylene/vinyl acetate copolymer
09/2003
09/30/2003US6627752 Esterification or etherification of corn starch to form foams having improved flexibility, strength, compressibility and resilience
09/30/2003US6627671 Urethane molded products for polishing pad comprise two types of cells having different sizes in urethane molded products formed by mixing and curing an isocyanate-terminated urethane prepolymer and an active hydrogen-containing compound.
09/30/2003US6627670 Durable, absorbent latex foam composition having high vertical wicking
09/30/2003US6627669 Low dielectric materials and methods of producing same
09/30/2003US6627668 Expanding ethylene-propylene copolymer with less fluctuation in expansion ratio, uniform particle size and low expansion ratio without using foaming agent; blended with hydrophilic sodium-neutralized ethylene-methacrylic acid copolymer
09/30/2003US6627258 Film for medical use, consisting of linear block polymers of polyurethane and a method for the production of such a film
09/30/2003US6627109 Liquid mixture of a polyol and at least one of caprolactone, valerolactone, and butyrolactone; use making polyurethane foam articles; lactones act to neutralize amine catalysts during heating (curing)
09/30/2003US6626654 Biodegradable resin foam and method and apparatus for producing same
09/25/2003WO2003078517A2 Compositions based on expandable vinylaromatic polymers with an improved expandability
09/25/2003WO2003078516A1 Cellular perfluoroelastomeric compositions, sealing members, methods of making the same and cellular materials for medical applications
09/25/2003WO2003078514A2 Polymethacrylimide foam products with a reduced pore size
09/25/2003WO2003078505A2 Hydrocarbon copolymer or polymer based aerogel and method for the preparation thereof
09/25/2003WO2003078497A1 Combustion modified polyurethane foam
09/25/2003WO2003078163A1 Epoxy adhesive having improved impact resistance
09/25/2003WO2003035730A3 Asphalt-filled polymer foams
09/25/2003WO2003014220A3 Improved process for the production of a synthetic material comprising unexpanded microspheres as well as light articles produced with said material
09/25/2003US20030181559 Polymer composition, molded articles containing the same and processes for the production of both
09/25/2003US20030181536 Forming mixture comprising isocyanate and polyol reactants, catalyst, and blowing agent, which mixture reacts exothermically to yield a rigid polyurethane foam, adding expandable polymer beads made of a thermoplastic polymer
09/25/2003US20030180522 Methods of forming polymeric structures using carbon dioxide and polymeric structures formed thereby
09/25/2003CA2479358A1 Hydrocarbon copolymer or polymer based aerogel and method for the preparation thereof
09/25/2003CA2476912A1 Combustion modified polyurethane foam
09/24/2003EP1347008A2 Expanded articles of biodegradable plastic material and a process for the preparation thereof
09/24/2003EP1345987A1 Process for making polyurethane integral skin foams
09/24/2003EP1345986A2 Blowing agent composition and polymeric foam containing a normally-liquid hydrofluorocarbon and carbon dioxide
09/24/2003EP1105436B1 Puncture-resistant polyolefin membranes
09/24/2003CN1444621A Dielectric resin foam and lens antenna comprising the same
09/24/2003CN1122072C Olefin resin composition and its moulding products
09/24/2003CN1122071C Expanded resin beads
09/23/2003US6624208 Blowing agent based on HFC-134a and cyclopentane for the expansion of polymers
09/23/2003US6624207 Aqueous polymer dispersion comprising rubber particles and polymer particles having a reinforcing action
09/23/2003US6623674 Reduced density foam articles and process for making
09/18/2003WO2003076504A1 Eva polymer comprising charcoal and method to manufacture the said eva polymer
09/18/2003WO2003076503A1 A process for improving the acoustic insulation of foamed material articles
09/18/2003WO2003076502A1 Method and composition for polymer-reinforced composite cementitious construction material
09/18/2003WO2003076497A2 Polypropylene foam and foam core structure
09/18/2003WO2003076177A1 Intumescent arrangement and an associated method of protecting construction materials from the effects of heat and fire
09/18/2003WO2003076159A1 Process for producing biodegradable molded item and molding dies therefor
09/18/2003WO2003042286A3 Foams consisting for the major part of carbon and method for producing same
09/18/2003US20030176517 Shaped body made from wood particles and a PU bonding agent, use and production thereof
09/18/2003US20030176516 Cellular perfluoroelastomeric compositions, sealing members, methods of making the same and cellular materials for medical applications
09/18/2003US20030175526 Mixture of polyurethane and foaming agent; injection molding
09/18/2003US20030175497 Flame retardant foams, articles including same and methods for the manufacture thereof
09/18/2003US20030175494 Porous composite product in particular with a high specific surface preparation process and electrode formed of a porous composite film for an electro-chemical assembly
09/18/2003US20030175460 Rheology modification of polymers prepared using metallocenes
09/18/2003CA2478467A1 Polypropylene foam and foam core structure
09/17/2003EP1343836A1 High-density polyimide foam insulation
09/17/2003EP1343542A2 Carrier with solid fibrinogen and solid thrombin
09/17/2003EP0883662B1 Azeotropic compositions of cyclopentane
09/17/2003EP0775721B1 Heat-foamable filling reinforcement and reinforced closed-section structural-member structure making use of the same
09/17/2003CN1443215A Foamed thermoplastic polyurethanes
09/17/2003CN1443214A Foamed thermoplastic polyurethanes
09/16/2003US6620356 Porous constructs fabricated by gas induced phase inversion
09/16/2003CA2179369C Method of producing microporous thermoplastic resin membrane
09/16/2003CA2114258C Foamed adhesive particleboard
09/12/2003WO2003074603A1 Dimensionally-stable propylene polymer foam with improved thermal aging.
09/12/2003WO2003025051A3 Method for the production of expandable polystyrene
09/12/2003CA2477884A1 Dimensionally-stable propylene polymer foam with improved thermal aging.
09/11/2003US20030170427 Heat-shrinkable polyester films and labels
09/11/2003US20030168767 Method for formation polymer
09/11/2003US20030168251 Providing synthetic polymer molecules having crosslinkable groups that are inert until activated; activating the crosslinkable groups under crosslinking conditions to obtain irreversible intramolecular crosslinked polymer
09/10/2003EP1341895A2 Solvent compositions
09/10/2003EP1341839A1 Biodegradable breathable film and laminate
09/10/2003EP1341658A1 Method of conditioning foam materials by compression
09/10/2003EP0991706B1 Filled polymer compositions
09/10/2003EP0991705B1 Open pore biodegradable matrices
09/10/2003EP0923616B1 Blends containing an interpolymer of alpha-olefin
09/10/2003EP0901384B1 Polysaccharide sponges for cell culture and transplantation
09/10/2003CN1441695A Gel compositions
09/10/2003CN1441693A Composite membrane and method for making same
09/10/2003CN1441000A Foamable olefine thermoplastic elastomer composition and its foamed product
09/10/2003CN1120999C Developing drum
09/09/2003US6617366 Soft texture; high strength; heat resistance; blend
09/09/2003US6617365 As surface-active substances which allow stabilization or cell regulation
09/09/2003US6617364 Method for synthesizing thermo-expandable polymeric microspheres
09/09/2003US6617295 Foaming or expansion of the resin brought about by molded particles of blowing agent, wax binder and filler enables the polymeric material to flow through the polymer processing machinery under lower pressures
09/09/2003US6617014 Foam composite
09/09/2003US6616842 Sheet of filtration, separation or reaction elements, and a module comprising such a sheet
09/09/2003CA2251093C Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and hydrocarbons
09/09/2003CA2092577C Process for making flexible foams
09/04/2003WO2003072647A1 Polymethacrylimide plastic foam materials with reduced inflammability in addition to a method for the production thereof
09/04/2003WO2003072644A2 Thermoplastic foam containing particulate additive
09/04/2003WO2003072338A1 Film, laminated sheet and methods of making same
09/04/2003WO2003037971A3 Process of producing expanded polypropylene resin beads
09/04/2003WO2003029335A3 Anti-lumping compounds for use with expandable polystyrenes
09/04/2003US20030166487 Normally liquid, omega-hydrofluoroalkyl ether compounds (and selected mixtures thereof) have a saturated perfluoroaliphatic chain of carbon atoms interrupted by one or more ether oxygen atoms. The compounds can be prepared, by decarboxylation of