Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910)
11/1988
11/01/1988US4782040 Reactive silane bonding to exteriors and interiors
11/01/1988US4781983 Method for preparing antistatic expandable polystyrene
11/01/1988US4781873 Reversed phase membranes
11/01/1988US4781295 Container made from polystyrene foams containing polyethylene
11/01/1988CA1244200A1 Process for the production of expanded particles of a polymeric material
11/01/1988CA1244199A1 Process for the production of expanded particles of a polypropylene resin
11/01/1988CA1244198A1 Polyisocyanurate foams from digestion products of polyalkylene terephthalate polymers and polyols
10/1988
10/26/1988EP0288021A2 Stretched microporous material
10/25/1988US4780483 Wood-like polymeric composition
10/20/1988WO1988008013A1 A method of extruding an alkenyl aromatic synthetic resin foamed body having closed cells
10/20/1988WO1988008009A1 Flexible polyurea or polyurea-polyurethane foams prepared from high equivalent weight amine-terminated compounds and process for preparing the same
10/19/1988EP0287087A2 Polydiorganosiloxane compositions curable into elastomeric foams
10/19/1988EP0287011A1 Method for producing polypropylene foam
10/18/1988US4778829 Heating aqueous dispersion containing blowing agent under pressure and releasing to lower pressure; large diameters
10/18/1988US4778631 Method and apparatus for foaming high viscosity polymer materials
10/18/1988US4778601 Microporous membranes of ultrahigh molecular weight polyethylene
10/18/1988CA1243175A1 Apparatus for producing perforated plastic film
10/12/1988EP0286220A1 Methods and apparatus for making polymer material
10/12/1988EP0286091A2 Composite membranes for enhanced fluid separation
10/12/1988EP0286015A2 Method and apparatus for foaming high viscosity polymer materials
10/12/1988EP0285694A1 Porous polymeric beads for the delivery of an active ingredient
10/12/1988EP0285653A1 Method of preparing dimensionally stable, flexible urethane foam.
10/12/1988EP0116060B1 Process of preparing vesiculated polyester granules
10/11/1988US4777188 Process for producing foamed elastomeric compositions
10/11/1988US4777186 Polymerizing at elevated pressure sufficient to prevent polymer from filling chamber
10/11/1988US4777154 Hollow microspheres made from dispersed particle compositions and their production
10/11/1988US4777073 Embossing pattern on film, stretching film to impart greater permeability in areas of reduced thicknesses
10/11/1988US4777000 Production method of expansion-molded article of polypropylene resin
10/11/1988US4776356 Natural or synthetic rubber foams having open and closed cells
10/05/1988EP0285135A2 Polyurethane foam with low vinyl-staining tendencies
10/05/1988EP0284933A2 Foamed microspheres and process for their preparation
10/04/1988US4775703 Adding ammonium salt to polymer casting solution
10/04/1988US4775580 Porous random fiber composites and a method for preparing same
10/04/1988US4775502 Using water in oil emulsion, gelation, and partial polymerization by exothermic reaction with water evaporation inhibition
10/04/1988CA1242850A1 Method of making cellular crosslinked poly(dicyclopentadiene)
10/04/1988CA1242849A1 Process for foaming thermoplastic aromatic polycarbonates
10/04/1988CA1242556A1 Porous polytetrafluoroethylene material
09/1988
09/28/1988EP0283920A2 Heat-sealable microporous polypropylene films
09/28/1988EP0283866A1 Stabilization of reactivity of polyester polyol based polyurethane foam components
09/27/1988US4774266 N-substituted 5-phenyltetrazoles as high temperature blowing agents
09/27/1988US4774132 Graft polymers with high surface tension for use as filters
09/27/1988US4774040 Thermal aftertreatment
09/27/1988US4773466 Process for preparing polycarbonate copolymer foam suitable for lost foam casting
09/27/1988CA1242542A1 Graft polymer dispersion in a mixture of low molecular weight polyols and polyether polyols and polyurethane foams prepared therefrom
09/22/1988WO1988006916A1 Composition and process for drying and expanding microspheres
09/21/1988EP0283200A2 Breathable films prepared from melt embossed polyolefin/filler precursor films
09/21/1988EP0283187A2 Films and tapes
09/21/1988EP0282848A2 Process for producing polyolefin foams
09/20/1988US4772640 Thermoplastic polycarbonates
09/20/1988US4772637 Pellets of chlorinated vinyl chloride resin composition, pre-expanded particles and process for preparing thereof
09/20/1988US4772636 Heat and shock insulation
09/20/1988US4772441 Styrene polymers containing blowing agents
09/20/1988US4772440 Method for production of porous membrane
09/20/1988CA1242300A1 Energy absorber
09/13/1988US4771110 Polymeric materials having controlled physical properties and processes for obtaining these
09/13/1988US4771082 Low temperature, water resistant
09/13/1988US4771081 Pre-expanded polystyrene beads coated with antistatic agent; for thermoplastic cups and containers
09/13/1988US4771080 Heat resistant
09/13/1988US4771079 Graphic art printing media using a syntactic foam based on expanded hollow polymeric microspheres
09/13/1988US4771078 Method of producing a foam from a radiation-curable composition
09/13/1988US4770931 Shaped articles from polyester and cellulose ester compositions
09/13/1988US4770827 Polyurethanes, coating mold with atomized wate-based release agent
09/13/1988US4770777 Microporous asymmetric polyamide membranes
09/13/1988US4770183 In vivo diagnosis, iron oxides coated with protein or carbohydrate
09/07/1988WO1988006608A1 Moldable silane-crosslinked polyolefin foam beads
09/07/1988EP0281336A2 Composition for non-crosslinked foam
09/07/1988EP0281250A2 Foam cups with enhanced coffee retention
09/07/1988EP0280993A1 Moldable silane-crosslinked polyolefin foam beads
09/07/1988EP0280840A1 Methods of preparing biologically active membranes and uses thereof
09/06/1988US4769437 Process for the production of phenolic resins
09/06/1988US4769397 Chemical blowing agent compositions
09/06/1988US4769396 Process for the production of cellular organic silicate products
09/06/1988US4769395 Polyurethane assembly foam and apparatus for the performance of its production process
09/06/1988US4769394 Expandable styrene polymers and styrene polymer foams
09/06/1988US4769393 Expanded particles of modified polyethylene and foamed articles obtained therefrom
09/06/1988US4769392 Aqueous suspension polymerization process of compositions containing styrene in the presence of rosin acid derivatives and their salts and expandable or non expandable polystyrene obtained
09/06/1988US4769391 Reinforcement insert for a structural member and method of making and using the same
09/06/1988US4769174 Polyether silicone copolymers with secondary or tertiary hydroxy terminated for stabilizing high resiliency urethane foam
09/06/1988US4769166 Expandable magnetic sealant
09/06/1988US4769084 Synthetic chemical adsorbents
09/06/1988CA1241511A1 Process for producing a high strength porous polytetrafluoroethylene product having a coarse microstructure
08/1988
08/30/1988US4767794 Low density silicone foam
08/30/1988US4767793 Method of producing a foam from a radiation-curable composition
08/30/1988US4767664 Process for preparation of polyurethane foam handle having woodgrain finish
08/30/1988US4767580 Process for preparation of porous sheets
08/25/1988WO1988006200A1 Protective surface treatment
08/25/1988WO1988006094A1 Foam structure of coalesced foam strands or profiles
08/24/1988EP0279668A2 Faom structure of coalesced foam strands of profiles
08/24/1988EP0279551A2 Continuous process for producing mattresses
08/24/1988EP0279455A2 Process for production of expansion-molded articles of linear low density polyethylene resins
08/24/1988EP0279276A2 Adhesion enhancer for covered polyurethane panels
08/23/1988US4766182 Polylactide compositions
08/23/1988US4766159 Process for producing polypropylene foam
08/23/1988US4766157 Foamed particles of propylene-type polymer
08/23/1988US4766156 Pellets of chlorinated vinyl chloride resin composition, pre-expanded particles and process for preparing thereof
08/23/1988US4765934 Polystyrene bead expansion process
08/23/1988CA1241146A1 Crosslinked polymers, a process for their preparation, and their use
08/23/1988CA1240882A1 Coated glass microbubbles
08/17/1988EP0278854A2 A curable and foamable organopolysiloxane composition
08/17/1988EP0278622A2 Shaping of syntactic foam