Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
01/1985
01/22/1985CA1181545A1 Process for the preparation of polyisocyanurate dispersions and compositions prepared therefrom
01/22/1985CA1181206A1 Hollow fibre membrane for plasma separation
01/17/1985WO1985000177A1 Low temperature, storage stable mixtures of polyester prepolymers and flow modifiers
01/17/1985WO1985000111A1 Highly absorbent substrate article
01/16/1985EP0131362A2 Salt-filled absorbable polymers
01/16/1985EP0053615B1 Stabilization of post-chlorinated vinyl chloride polymers by phosphate salts
01/15/1985US4493871 Resilient polyurethane foam with improved resistance to ignition
01/15/1985CA1181199A1 Stabilized polyoxyalkylene polyether polyols and polyurethane foams prepared therefrom
01/15/1985CA1180974A1 Foaming surfactant compositions
01/15/1985CA1180861A1 Embossing of foamable plastisols on dry blend layers
01/15/1985CA1180859A1 Method and apparatus for producing hollow metal microspheres and microspheroids
01/09/1985EP0130764A1 Highly absorbent substrate article
01/08/1985US4492775 Organopolysiloxane foam composition
01/08/1985US4492732 Materials suitable for thermosetting
01/08/1985CA1180611A1 Vapor permeation curable coatings for surface-porous substrates
01/02/1985EP0130116A1 Transparent wall of polyurethane foam containing microorganisms, process for its preparation and its use in a biophotoreactor
01/02/1985EP0130090A2 Low temperature, storage stable mixtures of polyester prepolymers and flow modifiers
01/02/1985CA1180478A Polyol pre-mixture for making flame-retardant polyurethane foam plastics
01/01/1985US4491554 Alkali metal borohydrides, pelletization
01/01/1985US4491553 Method for producing filler-loaded thermoplastic resin composite
12/1984
12/27/1984EP0129420A2 Surfactant treated polyolefinic microporous materials capable of multiple re-wetting with aqueous solutions
12/27/1984EP0129182A1 Arylsulfonyl hydrazones as blowing agents
12/27/1984CA1179974A Polymeric microporous separators for use in electrolytic processes and devices
12/27/1984CA1179809A Process for preparation of improved semipermeable composite membranes
12/25/1984US4490489 Metal catalyzed preparation of polyoxyalkylene surfactants for phenolic foam stabilization
12/25/1984US4490488 Silicone elastomer forming compositions
12/25/1984US4490486 Formaldehyde immobilization method
12/25/1984US4490431 0.1 Micron rated polypropylene membrane and method for its preparation
12/25/1984US4490421 Polyethylene terephthalic catheter
12/25/1984US4489913 Electroconductive foams
12/19/1984EP0128628A1 Method for manufacturing light-weight shaped concrete articles, such as block-shaped building elements suitable for building completely heat-insulated buildings
12/19/1984EP0128335A1 Expandable thermoplastic resin particles and process for preparing the same
12/19/1984EP0128226A1 Synthetic polymer-propellant compositions forming cold foamed structures
12/18/1984US4489175 Method of producing a urea formaldehyde combination foam with a low content of formaldehyde
12/18/1984US4489174 Crosslinked amine salt of unsaturated polyester, opacity
12/18/1984US4489020 Method of forming crosslinked styrenic polymer articles and the articles
12/18/1984CA1179460A1 Semipermeable membranes and process for producing the same
12/18/1984CA1179459A1 Process for producing porous materials and the use thereof
12/05/1984EP0127192A1 Apparatus for producing perforated plastic film
12/04/1984USRE31757 Composition and a method for controlling reaction pressures during the foaming process resulting in an easily flame retarded foam-in place insulation
12/04/1984US4486550 Styrenic foam and process therefor
12/04/1984US4486370 Scavenger for amine catalyst
12/04/1984US4486313 Oxidation-resistant ion exchange resins
12/04/1984US4485520 Foamed rubber erasers and process for the production thereof
12/04/1984CA1179100A1 Dimensionally-stable polyurethane sponge and sponge- forming prepolymer
11/1984
11/28/1984EP0126459A2 A process for the production of expandable granules of thermoplastic polymers and relative apparatus
11/27/1984US4485194 Extraction of polyoxyalkylene surfactants for phenolic foam stabilization
11/27/1984US4485193 Expandable synthetic resinous thermoplastic particles, method for the preparation thereof and the application therefor
11/27/1984US4485056 Production of aromatic polyimide separating membranes
11/27/1984CA1178750A1 Foams based on low formaldehyde - emission urea- formaldehyde resin and process for their preparation
11/27/1984CA1178749A1 Polyester-melamine thermosetting foam and method of preparing same
11/27/1984CA1178732A1 Polyvinyl chloride resinous composition and product thereof
11/27/1984CA1178423A1 Fibrillated polymeric films or net-like structures for use as reinforcements in manufactured articles based on hydraulic binders, and a process for preparing such films or structures
11/22/1984WO1984004529A1 Formation of porous membranes
11/21/1984EP0125436A1 Flexible, closed cell insulating polyolefin foam
11/20/1984USRE31744 Expanded olefin polymer
11/20/1984US4483965 Ethylene or propylene graft polymer with styrene
11/20/1984US4483945 Process of preparing vesiculated polyester granules
11/20/1984US4483894 Applying frothed polyurethane and silicone surfactant
11/20/1984US4483889 Method for the production of fibre composite materials impregnated with resin
11/20/1984US4483809 Process for preparing polyolefin foam
11/20/1984CA1178400A1 Polymeric foams from transesterified by-product derived from manufacture of dimethyl terephthalate
11/14/1984EP0124958A1 Process for preparing a styrenic polymer foam
11/14/1984EP0124656A1 Process for preparing Styrenic polymer foams having improved flammability characteristics
11/14/1984EP0124604A1 Process for the manufacture of products from reinforced polyester resins.
11/13/1984US4482651 Process for the preparation of haloalkoxymethylmelamine adduct dispersions and polyurethane compositions prepared therefrom
11/13/1984US4482650 Blowing agent compositions
11/13/1984US4482649 Plastics cellular material and method of making
11/13/1984US4482602 Dielectrically heatable polyolefin foams containing unsaturated polyester
11/13/1984US4482590 Deep water flotation devices
11/13/1984US4482582 Modified polyurethane product having improved load bearing characteristics
11/13/1984US4482516 Process for producing a high strength porous polytetrafluoroethylene product having a coarse microstructure
11/13/1984US4482514 Process for the production of an ultrafiltration membrane from polyamide
11/07/1984EP0124371A1 Soft vinyl chloride resin composition
11/07/1984EP0124111A2 Unsaturated polyoxyalkylene adduct/fumarate diester reaction product for cellular foam stabilization
11/07/1984EP0124028A2 Heterogeneous membrane and process for production thereof
11/07/1984EP0123816A1 Pre-expanded particle of polyolefin and process for preparing the same
11/06/1984US4481307 Graft polymers
11/06/1984CA1177600A1 Method for making a plastic closure for liquid product containers
11/06/1984CA1177208A1 Polymer blend films, their preparation and use
10/1984
10/31/1984EP0123144A1 Polypropylene resin prefoamed particles
10/31/1984EP0123073A1 Low density silicone foam compositions and method for making
10/31/1984EP0123066A1 Reaction of carbonylhydrazines and organic peroxides to foam unsaturated polyester resins
10/31/1984EP0122989A1 Stabilized polyoxyalkylene polyether polyols and polyurethane foams prepared therefrom
10/31/1984EP0122944A1 Process for preparing polyolefin foams
10/30/1984US4480054 Ethylene-(meth)acrylic acid interpolymer, polycarbonyl or polysulfone
10/30/1984US4480053 Paint which is dispersion of polystyrene particles in latex
10/30/1984CA1177200A1 Molding composition for starch-extended rigid polyurethane foams
10/30/1984CA1176807A1 Process for fabricating ribbed electrode substrates and other articles
10/24/1984EP0122460A1 Production of resin foam by aqueous medium
10/23/1984US4478958 Method for preparing phenolic foams using anhydrous aryl sulfonic acid catalysts
10/23/1984US4478957 Adding polyether siloxane copolymer as stabilizer
10/23/1984US4478902 Foamed polyurethane multilayer support
10/23/1984US4478665 Superimposing layers of polytetrafluoroethylene and lubricant, removal of lubricant, and expansion
10/23/1984CA1176448A1 Method for producing insulating materials based upon polyvinyl-chloride
10/23/1984CA1176417A1 Process for drying and expanding microspheres
10/17/1984EP0121911A2 Hollow fiber filter medium and process for preparing the same
10/17/1984EP0121731A1 Method of preparing urea formaldehyde foams with a low formaldehyde content
10/17/1984EP0121524A1 Process for producing foam insulation.
10/16/1984US4477601 High resiliency molded urethane foams containing high levels of graft copolymer polyols