Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
01/1990
01/17/1990EP0350969A2 Process for producing a foamed article of a fluorocarbon resin
01/17/1990EP0350481A1 Composition and process for drying and expanding microspheres.
01/16/1990US4894488 High frequency signal cable with improved electrical dissipation factor and method of producing same
01/16/1990US4894395 Expandable polyolefin compositions and polyolefin foam preparation process
01/16/1990US4894191 Preparation of polyolefin foams
01/10/1990EP0349796A1 Production of foamed polymer structures
01/10/1990EP0223832B1 Coated glass microbubbles
01/10/1990CN1038661A Polyethylene composition, objects made therefrom and process for manufacture of foamed objects
01/10/1990CN1006385B Process for production of paste-forming vinyl chloride polymers
01/09/1990US4892892 Polyaryl phosphate, hydrolytic stability
01/09/1990US4892891 Novel foam compositions
01/09/1990US4892854 Dispersions and the preparation of foamed resins therefrom
01/09/1990US4892544 Methods for forming hollow, porous-surfaced elastomeric bodies
01/08/1990EP0300038A4 Microporous asymmetric polyfluorocarbon membranes.
01/03/1990EP0348852A1 Bulk polymerized cycloolefin monomers containing microencapsulated blowing agents
01/03/1990EP0348722A1 Production of foamed polymer structures
01/03/1990EP0348459A1 Improved composite membranes, their manufacture and their use
01/03/1990EP0348425A1 Protective surface treatment and relative product.
01/02/1990US4891387 Bulk polymerized cycloolefin monomers containing microencapsulated blowing agents
01/02/1990US4891135 Solvent resistance
12/1989
12/28/1989WO1989012659A1 Microporous films
12/28/1989WO1989012658A1 A process for producing phenolic foams
12/27/1989EP0348372A2 A process and a device for preparation of expanded thermoplastic microspheres
12/27/1989EP0348352A2 Process for preparing finely divided porous cellulose particles
12/27/1989EP0348199A1 A process for producing phenolic foams
12/27/1989EP0348033A2 Foam composite and method of forming same
12/27/1989EP0347691A2 Polyurethane amide provided with a contoured multi-laver film, its use and a method for making it
12/27/1989EP0347565A2 Fibre-reinforced thermoplastic integral foam, and process for its preparation
12/27/1989EP0347528A2 Process for preparing moulded objects
12/27/1989EP0347413A1 Cross-linked foamed block copolymer compositions
12/26/1989US4889875 Phenolic resin foams of high filler content and their use as insulation
12/26/1989US4889750 Carbon in polymeric matrix
12/26/1989US4889744 Mixing particles and silicone; curing; dissolving out silicone
12/26/1989US4889671 Production method of prefoamed particles of polyolefin resin
12/26/1989US4889632 Crosslinked globules of addition polymers connected by covalent bonds to form voids; for biopolmers, such as proteins, enzymes, polypeptides
12/20/1989EP0346670A2 Process for the preparation of polyurethane soft-foams
12/20/1989CN1038107A Method of dehydrating macromolecular substances
12/19/1989US4888398 Biodegradable polypeptide and the use thereof for the gradual release of drugs
12/19/1989US4888379 Anionic, cationic resin
12/19/1989US4888241 Inorganic particulate, such as titanium dioxide mixture being adhered to and embedded in the surface of thermoplastic polymer
12/19/1989US4888217 Silicone foam masses
12/19/1989CA1263998A1 Hydrophilic, flexible, open cell polyurethane poly (n- vinyl lactam) interpolymer foam and dental and biomedical products fabricated therefrom
12/14/1989WO1989012135A1 Coated textile materials
12/14/1989WO1989012073A1 Graphic art printing media using a syntactic foam based on expanded hollow polymeric microspheres
12/14/1989DE3916873A1 Process for the preparation of cellular plastics by the polyisocyanate polyaddition process, and a catalyst combination therefor
12/13/1989EP0345967A2 Treatment of hazardous materials with aqueous air foam of polyhydroxy polymer
12/13/1989EP0345678A2 Shock-absorbing polyurethane foam and production process thereof
12/13/1989EP0345580A2 Process for introducing flowing agents to at least one of the fluid reaction components used in the production of cellular polyurethane materials
12/13/1989CN1037843A Cuprammonia method for preparing regenerated cellulose porous membrane
12/12/1989US4886839 Surface treatment with polyfunctional polyisocyanate
12/12/1989US4886837 Process for preparing rigid polyvinyl chloride stractured foams having superior surface characteristics
12/12/1989US4886836 Activated medium with low non-specific protein adsorption
12/12/1989US4886702 Impregnation of textile with coagulated latex
12/12/1989US4886626 Conductive polyurethane foam compositions containing tetralyanoethylene and method
12/12/1989CA1263802A1 Foam compositions used in paper treatment
12/06/1989EP0344538A2 Process for post-treating pre-expanded polyolefin resin particles
12/06/1989EP0344537A1 Use of 1,1,1,4,4,4-hexafluorobutane as a blowing and insulating agent for the production of synthetic foams
12/06/1989EP0344312A1 Hydrophilic, porous polyvinylidene fluoride membrane and process for its preparation
12/06/1989EP0132265B1 Method for manufacturing cellular products and laminates based on furan prepolymers
12/05/1989US4885315 Irradiation with high frequency elcectromagnetic waves a polar group-containing polymer having benn impregnated with a blowing agent to effect heating and foaming
12/05/1989US4885206 Blend of melamine-formaldehyde resin and polyimide; fireproofing
12/05/1989US4885086 Hydrophilic microporous membrane and process for preparing same
12/05/1989CA1263799A1 Method for the preparation of semi-rigid polyurethane modified polyurea foam compositions
11/1989
11/29/1989EP0344022A1 Methods for producing phenol resin foams and foamed laminates
11/29/1989EP0343999A1 Polyimide foams and their production
11/29/1989EP0343473A2 Expansible polymer in particle form
11/29/1989EP0343459A2 Method of dehydrating macromolecular substances
11/29/1989EP0343247A1 Porous polytetrafluoroethylene membrane, separating apparatus using same, and process for their production
11/29/1989EP0343180A1 Method for forming thermoformable polyurethane foam articles.
11/29/1989CN1037523A Hydrophilic foam compositions
11/28/1989US4883913 But-3-en-1-ol compounds, mixtures of catalysts and blowing agents for polyurethanes
11/28/1989US4883827 Recurable and cured cellular materials
11/28/1989US4883825 Process for the manufacture of low density, flexible polyurethane foams
11/28/1989US4883824 Aromatic sulfonic acid and dihydric phenol to produce closed cell foam
11/28/1989US4883593 Filling pores of cellulose semipermeable membrane with hexane, spraying with water
11/23/1989EP0342944A2 Multi-stage opacifying polymer particles containing non-polymeric acid absorbed therein
11/23/1989EP0342941A2 Composition for plastic article with unitarily molded foam layer
11/23/1989EP0342750A1 Polyethylene composition, objects made therefrom and process for the manufacture of foamed objects
11/23/1989EP0342480A1 Foam laminate and method of making it
11/23/1989EP0342239A1 Porous membrane and process for its production
11/21/1989US4882364 Using ethylene oxide-propylene oxide block copolymer surfactant, catalyst and blowing agent
11/21/1989US4882363 Process for the production of polyurethane foam moldings
11/21/1989US4882362 Foamed microbeads and a process for their preparation
11/21/1989US4882361 Compact cellular molding with a compact skin by the rim system using a polyisocyanate, a polyether or polyamine and a chain extender comprising an n,n'-diaminophenylkkurea
11/21/1989US4882108 Method for producing polypropylene foam
11/21/1989US4882057 Composition and process for separating fluid mixtures
11/16/1989WO1989010945A1 Composition for obtaining isocyanurateurethane foam plastics
11/15/1989EP0342026A2 Microporous membranes having increased pore densities and process for making the same
11/15/1989EP0341469A2 High strength silicone foam, and methods for making
11/15/1989EP0341330A1 Reinforcement insert for a structural member and method of making and using the same
11/15/1989CN1037163A Carbon black-filled and process of preparing same
11/15/1989CN1037159A Process for producing a low density foamed polyethylene
11/14/1989US4880843 Composition and process for making porous articles from ultra high molecular weight polyethylene
11/14/1989US4880842 Multi-stage opacifying polymer particles containing non-polymeric acid absorbed therein
11/14/1989CA1262998A1 Foaming and vulcanizing of elastomeric polymers
11/14/1989CA1262994A1 Membranes
11/09/1989EP0259492A4 Polyurethane foam composition for immobilization in traumatology.
11/09/1989DE3814783A1 Expandable polymer alloy in particle form, and process for the preparation thereof
11/08/1989EP0341210A1 Polyurethane syntactic foam modeling stock
11/08/1989EP0341151A2 Hydrophilic porous membrane, method of manufacturing the same and liquid filter using the same