Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
09/2004
09/28/2004US6797735 Process for producing porous polymer
09/28/2004US6797734 Polypropylene resin pre-expanded particle and in-mold expanded article thereof
09/28/2004US6797733 Expandable styrene resin particles, expandable beads, and foamed article
09/28/2004US6797371 Foam has a center and a uniform size distribution of partially expanded expandable polymeric microspheres from the major surfaces to the center of said polymer foam
09/28/2004US6797311 Providing hollow mandrel; placing a porous material around mandred; disposing formulation; effecting a constant pressure differential between inner surface and outer surface of mandrel
09/25/2004CA2461488A1 Polymer foam having improved fire performance
09/23/2004WO2004081438A2 Joint fill composition and method
09/23/2004WO2004081311A2 Structural and other composite materials and methods for making same
09/23/2004WO2004081092A1 Hydrofluorocarbon compositions
09/23/2004WO2004081075A1 Low amine emission polyutethane foam
09/23/2004WO2004080910A2 Method of consolidating sand or gravel into a solid mass
09/23/2004WO2004069917A3 Foamable interpolymer resin particles containing limonene as a blowing aid
09/23/2004US20040186193 Producing defect free product; rapidly decompressing and reducing flow velocity prior to discharge by dividing reactive component containing filler and dissolved carbon dioxide into streams
09/23/2004US20040186192 Method of forming high resilience slabstock polyurethane foam
09/23/2004US20040186191 Thio-,amine-,nitro-,and macrocyclic containing organic aerogels & xerogels
09/23/2004US20040185242 Spatially-controlled modified porous membrane
09/23/2004US20040185241 Microcellular extrusion/blow molding process and article made thereby
09/23/2004DE10310006A1 Halogen-free, fireproof, rigid polyurethane foam containing a combination of ABC extinguisher powder and expanded graphite as fire retardant, used e.g. for filling holes and ducts in walls, floors and ceilings
09/23/2004CA2518873A1 Structural and other composite materials and methods for making same
09/23/2004CA2518261A1 Method of consolidating sand or gravel into a solid mass
09/23/2004CA2518167A1 Joint fill composition and method
09/22/2004EP1460102A1 Method of forming high resilience slabstock polyurethane foam displaying latex-like characteristics
09/22/2004EP1458797A1 Discrete hydrophilic-hydrophobic porous materials and methods for making the same
09/22/2004EP1458796A2 Pentafluorpropane-based compositions
09/22/2004EP1458795A1 Deformable plastic mass, composite material, method for producing the same, and the use thereof as a lightweight insulating material
09/22/2004EP1458781A2 Rigid foam compositions and methods employing alkyl alkanoates as a blowing agent
09/22/2004EP1458579A2 Method of making models
09/22/2004EP1458254A2 Energy absorbing material
09/22/2004EP1263872B1 Thermoplastic elastomers having enhanced foaming and physical properties
09/22/2004EP1247831B1 Porous beads and process for producing the same
09/22/2004EP1218159B1 Method of preparing porous prepolymer pellets
09/22/2004CN1530393A Polyolefin resin expanded particle and inner die foaming products
09/22/2004CN1530381A Rigid urethane foam
09/22/2004CN1167730C Isocyanate-based polymer foam and production thereof
09/21/2004US6794420 Methods of producing stable novel black polyurethane articles with polymeric colorants
09/21/2004US6793845 Foam premixes having improved processability
09/21/2004US6793675 Polysaccharide sponges for cell culture and transplantation
09/21/2004CA2254916C Curable composition, foam made by using the same, and process for the production thereof
09/21/2004CA2251301C Isocyanate-terminated prepolymers and rigid-foams produced therefrom
09/21/2004CA2047989C Multilayer reverse osmosis membrane of polyamide-urea
09/16/2004WO2004078832A1 Crosslinked polyolefin resin foam sheet and moldings
09/16/2004WO2004078831A1 Porous polytetrafluoroethylene resin body and process for producing the same
09/16/2004WO2004061874A3 Foams comprising surface-modified organic molecules
09/16/2004US20040181003 Thermally expandable material and method for producing the same
09/16/2004US20040180978 Soundproofing and thermally insulating structural element
09/16/2004US20040180206 base material includes primarily epoxy components and is tacky at a temperature of about 23 degrees C. A powder is dispensed upon the base material to form a synthetic material with at least on substantially non-tacky surface and at least one tacky surface
09/16/2004US20040180188 Silicon-based composition, low dielectric constant film, semiconductor device, and method for producing low dielectric constant film
09/16/2004US20040177563 For chemical-mechanical polishing; combining a polymer resin with a supercritical gas to produce a single phase solution and forming a pad from the solution; gas is generated by subjecting a gas to an elevated temperature and pressure.
09/16/2004DE4143148B4 Verfahren zur Herstellung von zellhaltigen Kunststoffen nach dem Polyisocyanat-Polyadditionsverfahren und Treibmittelmischungen enthaltende Emulsionen hierfür Process for the preparation of cellular plastics by the polyisocyanate polyaddition process and blowing agent mixtures containing emulsions for this purpose
09/16/2004DE102004010698A1 Expandierbare Harzmasse und Harzschaum auf Propylenbasis Expandable resin and resin foam propylene-based
09/15/2004EP1457611A2 Sound and heat insulating building element
09/15/2004EP1457506A1 Process for producing synthetic resin foam
09/15/2004EP1457305A1 Thermally expandable material and method for producing the same
09/15/2004EP1456286A1 Expandable epoxy resin-based systems modified with thermoplastic polymers
09/15/2004EP1455998A2 Process for crosslinking a foamable polymer
09/15/2004EP1397421A4 Polymer processing aid and method for processing polymers
09/15/2004EP1169376B1 Process for preparation of polymeric foam using fluorinated ketones as blowing agents
09/15/2004EP0710258B1 Copolyesters having repeat units derived from succinic acid
09/15/2004CN1529748A 溶剂组合物 Solvent composition
09/15/2004CN1529728A Mixtures containing 1,1,1,3,3-pentafluoropropane and 1,1,3,3-pentafluorobutane
09/15/2004CN1529625A Azeotrope-like composition of pentafluorobutane
09/15/2004CN1528808A Method for preparing polyimide foam by polyether couple precuror process
09/15/2004CN1166730C Rheology modification of polymers prepared using metallocenes
09/15/2004CN1166729C Cross-linking of polymers and foams thereof
09/15/2004CN1166727C Method for preparing non-flyplastic microsphere
09/14/2004US6790871 Isocyanate-based polymer foam and process for production thereof
09/14/2004US6790870 Methods of making foamed materials of blended thermoplastic polymers using carbon dioxide
09/14/2004US6790820 Compositions of hydrofluorocarbons and trans-1,2-dichloroethylene
09/13/2004CA2460080A1 Soundproofing and thermally insulating structural element
09/10/2004WO2004056911A3 A closed cell phenolic foam
09/09/2004US20040176493 having a consistent cellular structure which produces a unique combination of tactile characteristics which make the foam particularly suited for use in the production of medical prostheses
09/09/2004US20040176492 Joint fill composition and method
09/09/2004US20040176491 introducing a reaction composition of polyol, isocyanate, and ester into aggregate material to form a polyurethane; used in subterranean wells and drilling systems
09/09/2004US20040176489 azeotropic or near azeotropic compositions to be used as trichlorofluoromethane (CFC 11) substitutes for foaming polyurethanes
09/09/2004US20040176488 dielectric constant of a blending material is decreased and the mechanical strength of the nanoporous aerogel is increased; near spherical nanopores; small pore size
09/09/2004US20040176487 Method and expansion device for preparing expanded thermoplastic microspheres
09/09/2004US20040176486 Foam insulation made with expandable microspheres and methods
09/09/2004US20040176485 at least least two acrylated reactionable oligomers; radical catalyst; first and second blowing agents; an oligoester with terminal acrylic groups and a second acrylated oligomer having at least two urethane groups; sealant for structural repairs
09/09/2004US20040176484 Thermoplastic polymer foams having sound deadening properties satisfactory, have mechanical strength and are hydrolytically stable
09/09/2004US20040175506 Forming electrochemical fuel cell material; applying stable foam from agitation of fluid and gas; drying
09/09/2004US20040173938 mixing hollow microspheres with polyurethanes, wherein, in a first step, the polyurethane system components are reacted and, in a second step, the feeding of the hollow microspheres is effected in a continuously operating mixing apparatus
09/09/2004US20040173556 Vented closures for containers
09/08/2004EP1454947A1 PRE−EXPANDED BEADS OF FLAME−RETARDANT POLYOLEFIN RESIN AND MOLDED OBJECT THEREOF BY IN−MOLD FOAMING
09/08/2004EP1454946A1 Open celled foam of high melting point polymer
09/08/2004EP1453897A2 Plasma fluorination treatment of porous materials
09/08/2004EP1453665A1 High internal phase polymeric emulsion composition
09/08/2004EP0952177B1 Process for preparing phenol resin foam
09/08/2004CN1527860A Methods for the preparation of cellular hydrogels
09/08/2004CN1165571C Medical high molecular porous support and its making process
09/07/2004US6787607 Thermoplastic elastomers having enhanced foaming and physical properties
09/07/2004US6787580 Dispersing a blowing agent stabilizer and a blowing agent into a heat plasticized thermoplastic polymer resin under pressure expanding foamable polymer formulation in absence of water and at lower pressure to produce multimodal foam
09/07/2004US6787579 Two-component (epoxy/amine) structural foam-in-place material
09/07/2004US6787513 Azeotrope-like compositions of pentafluoropropane and chloropropane
09/07/2004US6787077 Cellular molded article in mold pattern having surface skin and producing method thereof
09/07/2004CA2153902C Process for making ethylenic polymer foam structures
09/07/2004CA2134265C Process for the production of semirigid foams containing urethane groups with improved flow properties
09/02/2004WO2004074396A1 Thermoexpansible microsphere, process for producing the same and method of use thereof
09/02/2004WO2004074369A1 Ultraflexible polyolefin foam containing containingpolyethylene metallocene
09/02/2004WO2004074368A1 Ultraflexible polyolefin foam containing cpe
09/02/2004WO2004074358A1 Noncombustible premix