C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof

Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
12/1992
12/15/1992	US5171756 Rapid curing, foaming of polyetherurethanes without oxidation; large blocks
12/15/1992	US5171611 Dissolving fluoropolymer in solvent and a non-solvent, applying to substrate, vaporizing solvent and second liquid to form deposit of polymer in voids and formation of pores; water- and weatherproofing; fabrics, clothing
12/15/1992	US5171493 Process for extruding semi-permeable membrane having separate hollow passageways
12/15/1992	US5171445 Mixing polymer, solvent, nonsolvent, casting into thin layer, passing into solvent extraction quench bath within less than half a second, recovering
12/15/1992	US5171309 Biodegradable polyester
12/15/1992	US5170580 Hydroxylated polyvinyl acetal sponge impregnated with fish attractant
12/15/1992	EP0527913A4 Polyvinylidene fluoride membrane.
12/14/1992	CA2070157A1 Production of cellular plastics by the polyisocyanate polyaddition process, and low-boiling, fluorinated or perfluorinated, tertiary alkylamines as blowing agent-containing emulsions for this purpose
12/10/1992	WO1992021910A1 Process for insulating pipes
12/10/1992	WO1992021810A1 Process for flame-backing textiles
12/10/1992	WO1992021716A1 Process for producing foam sheet from thermoplastic polyurethane, and the product thus obtained
12/10/1992	DE4118362A1 Verfahren zur isolierung von rohren Process for the insulation of pipes
12/10/1992	CA2110594A1 A process for insulating pipes
12/09/1992	EP0517392A1 Blowing agent and process for preparing polyurethane foam
12/09/1992	EP0517025A1 Method of thermoplastic processing of non-thermoplastically processable polymers
12/09/1992	EP0516768A1 A process for molding microcellular elastomeric polyurethane articles and microcellular elastomeric polyurethanes therefor
12/09/1992	EP0516693A1 Reinforced foam composites comprising hydroxy-containing vinyl ester resin
12/09/1992	CN1066858A Foam blowing agent composition and process for producing foams
12/09/1992	CN1066854A Blowing agent and process for preparing polyurethane foam
12/09/1992	CN1066853A Phenolic resin and phenolic resin hard foam plastics
12/09/1992	CN1019401B Process for preparing open pore polyethylene foam
12/09/1992	CN1019400B Method for manufacture of polyolefin foam
12/09/1992	CN1019399B Method for produciing polyolefin resin froth
12/08/1992	US5169996 Stabilized 141b
12/08/1992	US5169995 Inhibited 141b
12/08/1992	US5169883 Product for the absorption of dissolved ions
12/08/1992	US5169877 Rigid polyurethane foams with low thermal conductivities
12/08/1992	US5169876 Reacting mixture of polyether, isocyanates and graphite flakes as flame retardant forming part of cell walls
12/08/1992	US5169875 Fireproof phenolic urethane; in situ spray-foamable
12/08/1992	US5169874 1,1-dichloro-1-fluoroethane; foam blowing agent
12/08/1992	US5169873 Process for the manufacture of foams with the aid of blowing agents containing fluoroalkanes and fluorinated ethers, and foams obtained by this process
12/08/1992	US5169872 Process for preparing rigid polyurethane and polyisocyanurate foams having enhanced benefits
12/08/1992	US5169871 From atomizing, aggregating droplets, precipitation; polybenzimidazoles
12/08/1992	US5169575 Coating substrate with elastomeric solution; coagulation with aid of non-solvent; flat product adheres to substrate but can be removed without damage; no shrinkage
12/08/1992	US5169435 Nonsolvent ink consisting of benzotriazole, fumaric acid and water solbule alcohol; floor coverings
12/05/1992	WO1992021715A1 Fluid treated polytetrafluoroethylene products and their manufacture
12/05/1992	CA2108278A1 Porous products manufactured from polytetrafluoroethylene treated with a perfluoroether fluid and methods of manufacturing such products
12/02/1992	EP0516024A1 Process for preparing a foam sheet of thermoplastic polyurethane and product obtained therefrom
12/02/1992	EP0516020A2 Stabilisation of mixtures containing dichlorotrifluoroethane
12/02/1992	EP0515838A1 Method of impregnating reticulated foam with polyimide foam precursor and products thereof
12/02/1992	CN1066663A Rigid foamed polyurethane and process for manufacture of same
12/01/1992	US5168104 Suspension polymerization and crosslinking of addition polymer in presence of inorganic particles filled with blowing agent; dissolving particles
12/01/1992	US5168009 Tertiary amine catalyst composition for polyurethane foam in contact with polyvinyl chloride
11/1992
11/29/1992	CA2069651A1 Stabilization of dichlorotrifluoroethane-containing mixtures
11/26/1992	WO1992020740A1 Polymer mixture for producing foils
11/26/1992	WO1992020733A1 Construction material obtained from recycled polyolefins containing other polymers
11/26/1992	WO1992020730A1 Foam blowing agent composition and process for producing foams
11/26/1992	WO1992020729A1 Blowing agent and process for preparing polyurethane foam
11/26/1992	WO1992020465A1 Process for drying microspheres
11/26/1992	WO1992018326A3 Process for extruding low density foam using water blowing agent
11/26/1992	CA2109728A1 Process for drying microspheres
11/25/1992	EP0515125A1 Foam blowing agent composition and process for producing foams
11/25/1992	CN1019198B Method of making polymer foam with radiation solidified composition
11/24/1992	US5166221 Expandable styrene polymers, and aromatic-resistant foams produced therefrom
11/24/1992	US5166184 Polycarbonates and epoxy resins, foaming and reaction of polyepoxides in the presence of a catalyst
11/24/1992	US5166182 Closed cell foams
11/24/1992	EP0527740A4 Azeotropic composition of perfluoro-1,2-dimethylcyclobutane with 1,1-dichloro-1-fluoroethane.
11/24/1992	CA1310775C Composite articles
11/19/1992	EP0514098A2 Multilayer high opacity film structures and process for producing same
11/19/1992	EP0513930A1 Improvements in neither toxic nor environmentally noxious foamed-polymer products
11/19/1992	EP0513929A1 Process for producing a foamed polymer endowed with high resistance to solvents and high temperature resistance
11/19/1992	EP0513737A2 Structural body for vehicle
11/19/1992	EP0513679A2 Hydroxy-functional polyesters as thermoplastic barrier resins
11/19/1992	EP0513573A1 Process for the preparation of molded articles containing urethane groups, devoid of fluorochlorohydrocarbons, having a cellular core and a compact outer layer
11/19/1992	EP0513500A1 Process for producing open celled fibrous polytetrafluoroethylene objects by injection molding or extrusion
11/19/1992	EP0513408A1 Leather-like foamed thermoplastic polyester series resin sheet and production process thereof
11/19/1992	EP0513233A1 A foaming system for closed-cell rigid polyurethane foam
11/19/1992	DE4116404A1 Polymermischung fuer die herstellung von folien Polymer mixture for the production of films
11/17/1992	US5164475 Porous substrates with a high concentration of amine groups
11/17/1992	US5164421 Absorbers, diapers, tampons
11/17/1992	US5164419 Blowing agent and process for preparing polyurethane foam
11/17/1992	US5164418 Blowing agents
11/17/1992	US5164417 Mixture of chloroalkyl phosphates and alkylphenyl phosphates
11/17/1992	US5164257 Foam moldings having various density regions, the production thereof, and a mold therefor
11/17/1992	CA1310160C Porous polypropylene hollow fiber membrane, method for production thereof and artificial lung
11/17/1992	CA1310159C Porous polypropylene hollow fiber membrane, method for production thereof and artificial lung
11/16/1992	WO1992020438A1 Microporous membrane, its manufacture and use
11/12/1992	WO1992019670A1 On-site generation of polyurethane foam using an hcfc as a sole blowing agent
11/12/1992	WO1992019669A1 Polymeric compositions
11/12/1992	WO1992019439A1 Perforated plastic foam and process for making
11/11/1992	EP0512871A1 Foamable compositions for container closure gaskets
11/11/1992	CN1066077A Biodegradable compositions comprising starch
11/11/1992	CA2042340A1 Leather-like thermoplastic polyester series resin sheet and process for production of the same
11/10/1992	USRE34123 Impregnating polymer with blowing agent in first extruder and cooling in second extruder; expanding by extrusion to form foamed sheet; air aging sheet; impregnating with gas, liquid or solid carbon dioxide; heating for further expansion
11/10/1992	US5162487 Where part of melamine is replaced by hydroxyoxyalkyl substituted melamine; elasticity, shelf life; fibers,foams
11/10/1992	US5162404 Ion-absorbent sponge product
11/10/1992	US5162397 Silicone foams
11/10/1992	US5162385 Preparation of hard foams containing urethane groups or containing urethane and isocyanurate groups
11/10/1992	US5162384 Making foamed plastic containing perfluorinated heterocyclic blowing agent
11/10/1992	US5162381 Process for preparing thermalplastic foam
11/10/1992	US5162380 Method of preparation of foamed articles of polyvinyl chloride resins
11/10/1992	CA1309902C Pre-expanded plastic beads for controlling thermal shrinkage and pyrolytic rate of plastic foam
11/04/1992	EP0511716A1 Expandable films and molded products therefrom
11/04/1992	EP0502871A4 Use of liquid carbon dioxide as a blowing agent in the production of open-cell polyurethane foam
11/04/1992	EP0485586A4 Phosphate ester flame retardant mixture and foamed resins containing same
11/04/1992	CN1065870A Microcellular and ulframicrocellular materials coutaining hydrofluorocarbon inflatants
11/03/1992	US5160784 Fire-resistant thermoplastic composite structure
11/03/1992	US5160769 Cryogenics
11/03/1992	US5160472 Method of producing composite structures of ultra-high-molecular-weight polymers, such as ultra-high-molecular-weight polyethylene products
11/03/1992	US5160465 Process of insulating a body cavity

1 ... 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 ... 420