Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
11/1993
11/23/1993CA1324477C Shaped articles from polyester and cellulose ester compositions
11/23/1993CA1324473C Apertured film and net like fabrics from thermoplastic materials
11/23/1993CA1324470C Porous hollow fiber membrane, method for production thereof, and oxygenator using the hollow fiber membrane
11/18/1993EP0570221A2 Polypropylene foam
11/18/1993EP0570174A1 Process for preparing rigid polyurethane and polyisocyanurate foams
11/16/1993US5262503 Addition polymer having specified crystallization degree, viscosity and modulus of elasticity
11/16/1993US5262446 Polyolefin foams having a homogeneous cell structure
11/16/1993US5262445 Polystyrene blend with poly-1,4-phenylene sulfide and maleic acid or anhydride with styrene copolymer
11/16/1993US5262444 Extruding plastisols, volatilization of additive to leave voids, sound absorbers
11/16/1993US5262176 Synthesis of polysaccharide covered superparamagnetic oxide colloids
11/16/1993US5262096 Bubbling
11/14/1993CA2096078A1 Polypropylene foam
11/11/1993WO1993022371A1 Polystyrene foam and process for making the same
11/11/1993WO1993022119A1 Process and device for recycling blown plastics
11/11/1993WO1993022039A1 Hydrophilic microporous polyolefin membrane
11/11/1993WO1993022034A1 Polyvinylidene fluoride microporous membrane and method
11/11/1993DE4220998C1 Verfahren zum Herstellen von Integralschaumstoff A method of producing integral skin foam
11/10/1993EP0569234A1 Thermoexpandable microcapsules having small particle size and production thereof
11/10/1993EP0569154A1 Biodegradable disposable diaper
11/10/1993EP0569153A2 Polyester resin composition
11/10/1993EP0569152A2 Non-woven polyester fabric
11/10/1993EP0569151A1 Polyester foamed thin materials
11/10/1993EP0569150A2 Polyester laminates
11/10/1993EP0569149A2 Polyester injection-molded articles
11/10/1993EP0569148A1 Polyester foamed articles and method for producing the same
11/10/1993EP0569147A2 Polyester sheet
11/10/1993EP0569146A2 Polyester film
11/10/1993EP0569145A2 Polyester fibers
11/10/1993EP0569144A2 Polyester flat and split yarn
11/10/1993EP0569143A2 Polyester tying tape-like materials
11/09/1993US5260360 Olefin polymer, processing aid
11/09/1993US5260345 Absorbent foam materials for aqueous body fluids and absorbent articles containing such materials
11/09/1993US5260344 Open cell rigid isocyanurate foams and method for producing the same and vacuum heat insulating layer by use of the same
11/09/1993US5260343 Containing polyols, catalyst, chain extender, linear alcohol, surfactant, filler, pigments, antioxidants, stabilizers
11/09/1993CA1324235C Flame retardant foams
11/09/1993CA1323968C Macroporous polymeric membranes for the separation of polymers and a method of their application
11/04/1993DE4213973A1 Polycarbonate foams formed by extrusion or injection moulding - comprises mixts. of aluminosilicate(s), carboxylic acid di:ester and thermoplastic polycarbonate(s) are useful for office equipment
11/03/1993EP0360852B1 Novel particulate expandable styrene polymers having short minimum molding times and method for preparing same
11/03/1993CN1077967A Lightly crosslinked polymeric foams and process for making same
11/02/1993US5258416 Rigid polyurethane foams containing lithium salts for energy absorbing applications
11/02/1993US5258415 Impregnating styrene polymers, mixed or copolymerized with a carbon dioxide absorber, with blowing agent
11/02/1993US5258414 Adhesives and sealants
11/02/1993US5258212 Integral packing/covering member for hard-disc unit
11/02/1993CA1323855C Filtration media with low protein adsorbability
10/1993
10/28/1993WO1993021263A1 Porous polymer material and method of obtaining it
10/28/1993WO1993021234A1 Process for preparing low density porous crosslinked polymeric materials
10/28/1993CA2118524A1 Process for preparing low density porous crosslinked polymeric materials
10/27/1993CN1077725A Rigid foam glucose polyurethane plastics and its producing process
10/27/1993CN1077721A Process for preparing low density porous crosslinked polymeric materials
10/26/1993US5256702 Mixture of polycarbonte and polysaccharide
10/21/1993DE4304427A1 Degradable, pref. biodegradable open pore dimensionally stable moulding - obtd. from degradable thermoplastics material and soluble crystals and use e.g. for filter, catalyst support, storage medium or insulation
10/20/1993EP0566251A1 Polyisocyanate composition
10/20/1993EP0566247A1 Process for making flexible foams
10/20/1993EP0566097A1 Process for forming porous polymeric product from a nonporous polymeric composition and product
10/20/1993EP0566046A1 Patterned porous polymeric product and process
10/20/1993EP0566044A1 Blowing agent combination for foaming a reaction mixture
10/20/1993CN1077464A 多异氰酸酯组合物 Polyisocyanate composition
10/20/1993CN1077413A Process for making flexible foams
10/19/1993US5254641 Polyurethane films and their use for bonding
10/19/1993US5254601 HCEC blown rigid foams with low thermal conductivity
10/19/1993US5254600 Method of producing rigid foams and products produced therefrom
10/19/1993US5254599 Plastic moldings made of water-expanded polymer resin
10/19/1993US5254598 Polymer matrix containing hollow inclusion compounds
10/19/1993US5254597 Production of chlorofluorocarbon-free, urethane-containing moldings having a cellular core and a compacted peripheral zone
10/19/1993US5254400 Microcellular and ultramicrocellular materials containing hydrofluorocarbon inflatants
10/19/1993US5254301 Process for preparing a sheet of polymer-based foam
10/19/1993CA1323153C Heat-sealable microporous polypropylene films
10/19/1993CA1323152C Method of manufacturing porous membrane and porous membrane manufactured by the same method
10/19/1993CA1323150C Air dried cellulose acetate membranes
10/19/1993CA1323149C Methods for forming hollow, porous-surfaced elastomeric bodies
10/14/1993WO1993020178A1 Binary azeotropic compositions
10/14/1993WO1993020177A1 Ternary azeotropic compositions
10/14/1993WO1993019927A1 Thermoplastic syntactic foam pipe insulation
10/14/1993CA2133451A1 Ternary azeotropic compositions
10/14/1993CA2133449A1 Binary azeotropic compositions
10/14/1993CA2131916A1 Thermoplastic syntactic foam pipe insulation
10/13/1993EP0565237A1 Electroconductive polyurethane foam
10/13/1993EP0565163A1 Rigid fire-resistant polyurethane foams
10/13/1993EP0564781A1 Process for the continuous production of foam beads
10/13/1993EP0564584A1 Energy absorbing, water blown, rigid polyurethane foam
10/13/1993CN1077204A Stabilized 141b
10/12/1993US5252632 Low cost cathodic and conductive coating compositions comprising lightweight hollow glass microspheres and a conductive phase
10/12/1993US5252627 Apparatus and method for blending and dispensing foamable, curable organosiloxane compositions
10/12/1993US5252626 Method for treating the surface of a thin porous film material
10/12/1993US5252625 Method for producing rigid foams and products produced therefrom
10/12/1993US5252623 Expandable vinyl chloride resin composition
10/12/1993US5252622 Cellular contact adhesive films having improved bond strength
10/12/1993US5252621 Supports for active entities
10/12/1993US5252620 Microcellular foams
10/12/1993US5252619 Polymerizing a water-in-oil high internal phase emulsion, curing time of the monomers in the emulsion can be reduced without adversely affecting polymer properties by curing in stages; absorbent materials
10/12/1993US5252618 Mixture of surface treated polycarboxylic acid and sodium aluminum hydrogen carbonate
10/12/1993US5252617 Expandable polyurethane powder preparations containing blowing agents and their use for the production of foamed polyurethane moldings
10/12/1993US5252616 Process for the manufacture of filler-modified polyurethane foam supports for bioconversion processes
10/12/1993US5252271 Mixing starch, carbonate and malic, tartaric, citric, maleic or succinic acids as dry powders, insertion into barrel extruder, adding water, mixing, heating and pressurization to gelatinous state, extrusiion, cutting into segments
10/12/1993US5252270 Filling mold compartments with olefin particles at varying pressures, removing walls, heating, softening to join
10/12/1993CA1323138C Closed-cell polyurethane foam compositions
10/12/1993CA1322834C Biocompatible microporous polymeric materials and methods of making same
10/08/1993CA2093547A1 Rigid fire retardant polyurethan foams, compositions for manufacturing thereof and process for manufacturing foams
10/07/1993DE4211266A1 Polymer membranes or fibres with hydrophilic surfaces - obtd. by forming film or fibre from soln. of polar gp.-contg. polymer, treating with water vapour and removing solvent
10/06/1993EP0564259A2 Stabilized polyurethane foam