Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
09/2002
09/19/2002WO2002072671A2 Hollow polymer particles, method for preparing hollow polymer particles, porous ceramic filter, and method for preparing porous ceramic filter
09/19/2002WO2002046273A3 Flowable thermoplastic carrier polymers with integrated additives
09/19/2002WO2002036708A3 Self-sealing media comprising super-absorbent materials
09/19/2002WO2002034822A3 Method for production of porous cross-linked polymer sheet
09/19/2002WO2001062830A3 Polymer-based nanocomposite materials and methods of production thereof
09/19/2002US20020133040 Carbamate solutions
09/19/2002US20020132905 Compositions of interpolymers of alpha-olefin monomers with one or more vinyl or vinylidene aromatic monomers and/or one or more hindered aliphatic or cycloaliphatic vinyl or vinylidene monomers blended with a conductive additive
09/19/2002US20020132870 Carbon dioxide blown low density, flexible microcellular elastomers suitable for preparing shoe components
09/19/2002US20020132869 Co-continuous interconnecting channel morphology polymer having controlled gas transmission rate through the polymer
09/19/2002US20020132868 Blowing agent mixture of alcohol, aldehyde, ketone and fluorocarbon
09/19/2002US20020132867 Reacting polyethersiloxane copolymer and polyisocyanate
09/19/2002US20020132106 Fiber reinforced FOAM composites derived from high internal phase emulsions
09/19/2002US20020132100 Process for producing objects
09/19/2002US20020132061 Preparing organic polymer constituent and an inorganic-organic constituent and/or inorganic constituent and applying layer on substrate; removal of inorganic-organic constituent and/or inorganic constituent from layer to form a porous layer
09/19/2002CA2440870A1 Hollow polymer particles, method for preparing hollow polymer particles, porous ceramic filter, and method for preparing porous ceramic filter
09/19/2002CA2439930A1 Method for mixing blowing agents with polyurethane reagents for the production of polyurethane foam boards
09/18/2002EP1241210A1 Syntactic foam containing coated microspheres
09/18/2002EP1240242A1 Hydrogenated vinyl aromatic polymer foams
09/18/2002EP1240241A1 Method for making polymeric foams
09/18/2002EP1144491B1 Expanded polypropylene particles
09/18/2002EP1137699B1 Flame-proofed polystyrene foamed materials
09/18/2002CN1370195A Rapidly decomposing chitosan-based pellets
09/18/2002CN1369520A Elastomer compsns. for olefines elastomer crosslinked foaming body
09/18/2002CN1369366A Hole-bearing thermalplastic resin stretched membrane and its preparing method
09/18/2002CN1091117C Microporous polytetrafluoroethylene (PTFE) bodies with filler, and its mfg. process
09/17/2002US6451965 Method of removing low molecular weight substance from polyimide precursor or polyimide containing low molecular weight substance
09/17/2002US6451876 Epoxy resin is combined with a curative system of an aliphatic polyamine, an amidoamine, an alcohol and an adduct of a polyamine and an epoxide; foam has uniform cell structure and improved strength and modulus.
09/17/2002US6451867 Mixtures containing 1,1,1,3,3-pentafluoropropane and 1,1,1,3,3-pentafluorobutane
09/17/2002US6451866 Spongy rubber body
09/17/2002US6451865 Foam composition comprising oil, thermoplastic elastomer and expandable particles
09/17/2002US6451430 Polyurethane, foam-polyester composite structure and method
09/17/2002US6451419 Expansion-molded article of foamed polypropylene obtained by using a metallocene catalyst
09/17/2002US6451386 Membranes in ultrafiltration and microfiltration; applying a fluid containing at least one type of acrylate monomer, ultraviolet light to said surface without the use of a free radical initiator
09/17/2002US6451231 Method of forming a high performance structural foam for stiffening parts
09/17/2002CA2105870C Perforated plastic foam and process for making
09/17/2002CA2062789C Process and device for producing mouldings, in particular for structural elements, insulations and/or packaging, and mouldings so obtained
09/12/2002WO2002070603A1 Tetrafunctional initiator
09/12/2002WO2002070595A1 Foamable thermoplastic resin composition, thermoplastic resin foam, and layered composite
09/12/2002WO2002070594A2 A method of preparing a collagen sponge, a device for extracting a part of a collagen foam, and an elongated collagen sponge
09/12/2002WO2002070576A1 Process for producing spherical compound hardened melamine resin particles
09/12/2002WO2002036332A3 Non-expanded porous polytetrafluoroethylene (ptfe) products and methods of manufacture
09/12/2002WO2002034823A3 Preparation process for multimodal thermoplastic polymer foam
09/12/2002WO2001013380A9 Electrical devices having polymeric members
09/12/2002US20020128352 Construction board materials with engineered microstructures
09/12/2002US20020128338 Foam materials and high internal phase emulsions made using oxidatively stable emulsifiers
09/12/2002US20020128337 Integral skin foams employing 1,1,1,3,3-pentafluoropropane as blowing agent
09/12/2002US20020128336 Surface groups preferably are silane, organic acid, or organic base
09/12/2002US20020127389 Foamed polyolefin resin sheet
09/12/2002US20020125599 Method for manufacturing synthetic resin moldings
09/12/2002US20020125598 Manufacturing method for structural members from foamed plastic composites containing wood flour
09/12/2002US20020125594 Method of manufacturing wood-like polyvinyl chloride boards of low density and improved properties and resulting product
09/12/2002DE10205882A1 Multi-layer foamed sheet manufacturing method, for e.g. food containers, comprises forming foam layer and non-foam layer with a specific melt flow rate
09/12/2002CA2440206A1 Tetrafunctional initiator
09/11/2002EP1239000A1 Porous hydrophilic membranes
09/11/2002EP1238999A1 Porous hydrophilic membranes
09/11/2002EP1238010A1 Blend for masterbatches
09/11/2002EP1237997A1 Elastic articles and uses thereof
09/11/2002EP1237996A1 Water unstable foam
09/11/2002EP1237995A1 Foamable polypropylene polymers and their use
09/11/2002EP1237994A1 Foam material comprising linear, isotactic polymers
09/11/2002EP1237939A1 Method for production of porous cross-linked polymer material
09/11/2002EP1237698A2 Water unstable foam compositions
09/11/2002EP1237542A1 Foam coatings and foam coated compositions
09/11/2002EP0994734B1 Absorbent polymer material based on renewable starting materials
09/11/2002EP0776345B1 Catalyst system for adherent rigid foam
09/11/2002CN1090661C Solventless compounding and coating of non-thermoplastic hydrocarbon elastomers
09/10/2002US6448335 Ionomeric mixtures of olefin polymers functionalized with fully or partially metal neutralized carboxylic acids; abrasion resistance; tactile, i.e. soft, smooth, satiny texture; synthetic leather; substitute for polyvinylchloride
09/10/2002US6448300 Polypropylene or copolymer with ethylene and/or 1-butene impregnated with halogen free blowing agent; moldable to give small cell foams; storage stability
09/10/2002US6447859 Polyester resin and molded article
09/10/2002US6447701 Method for producing porous structures
09/10/2002CA2109626C Polystyrene foams containing 1,1-difluoroethane and process of preparation
09/10/2002CA2082511C Polyvinylidene fluoride membrane
09/06/2002WO2002068517A1 A composite, its preparation and use
09/06/2002WO2002068516A2 Nanoporous low dielectric constant polymers
09/06/2002WO2002068515A1 Foam cushion and method of making and using the same
09/06/2002WO2002068509A1 Granule comprising an agglomerate of additive and thermoplastic particles
09/06/2002WO2002068491A1 Isocyanate free foamable mixtures
09/06/2002WO2002068490A1 Physical properties improvement additive for flexible polyurethane foam
09/06/2002WO2001002263A9 Synthetic bottle stopper
09/06/2002CA2439290A1 Physical properties improvement additive for flexible polyurethane foam
09/06/2002CA2439273A1 Foam cushion and method of making and using the same
09/05/2002US20020123573 Heating an elastomer of ethylene and alpha-olefin and/or diene comonomer(s) and a coupler of poly(sulfonyl azide) to its decomposition temperature for a period of time; gel content of </= 2% wt
09/05/2002US20020123536 Using a phenolic antioxidant, 3,9-bis(2-(3-(3-t-butyl-4-hydroxy-5-methylphenyl)propioniloxy)-1,1 -dimethylethyl)-2,4,8, 10-tetra-oxaspiro(5,5)undecane; free of BHT; discoloration inhibition; nonmigrating; clothing pads
09/05/2002US20020123535 Isocyanate - reactive benzoate adduct polyol for use in the prodcution of rigid foam
09/05/2002US20020123533 Particularly for extruded, expanded closed-cell polystyrene for thermal insulating panels; mixture of 60-98% of HFC-134a and 2-40% of cyclopentane; solubility; homogeneity; uniform distribution; mechanical properties
09/05/2002US20020122929 Polyurethane foams and method of manufacture thereof
09/05/2002US20020121717 Acoustical insulation foams
09/05/2002US20020121716 Foaming mixture a molten monovinylidene aromatic or olefinic polymer with a physical blowing agent into a region of lower pressure within a sheet extrusion line, wherein the extrudate is pulled and compressed
09/04/2002EP1236763A1 Porous particles, their aqueous dispersions, and method of preparation
09/04/2002EP1236762A1 Porous particles, their aqueous dispersions, and method of preparation
09/04/2002EP1236759A1 Porous film, process for producing the same, and uses thereof
09/04/2002EP1236503A1 Semipermeable porous membranes of semi-crystalline fluoropolymers
09/04/2002EP1028842B1 Textured, dimensionally stable microporous film and method of making same
09/04/2002CN1367804A Diffuse reflective articles
09/03/2002US6444777 Process for producing compact or cellular polyurethane elastomers based on 3,3′ dimethyl diphenyl 4,4′ diisocyanate-containing polyisocyanate mixtures and isocyanate prepolymers suitable therefor
09/03/2002US6444728 Modeling lightweight dough
09/03/2002US6444719 Method for producing crystalline methacrylic resin and plastic foam
09/03/2002US6444717 Fireproof polyester
09/03/2002US6444716 Foam materials and high internal phase emulsions made using oxidatively stable emulsifiers
09/03/2002US6444714 Method for producing expandable polystyrene particles