Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910) |
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12/01/1981 | US4303757 Process for producing expandable thermoplastic resin beads using polypropylene as nucleus |
12/01/1981 | US4303756 Process for producing expandable thermoplastic resin beads |
12/01/1981 | US4303755 Polymerization catalyst, foaming agent, surfactant, additive |
12/01/1981 | US4303736 Fillers |
12/01/1981 | US4303729 Fillers |
12/01/1981 | CA1113650A1 Finely divided expandable styrene polymers |
12/01/1981 | CA1113649A1 Method for producing phenol foam plastic |
11/26/1981 | WO1981003334A1 Process for preparing spherical and porous vinyl resin particles |
11/25/1981 | EP0040480A1 Multi-layer structural building material and its use |
11/25/1981 | EP0040443A2 Method for the preparation of rigid polyvinyl chloride foams |
11/24/1981 | US4302549 Method of preparing expandable polystyrene |
11/24/1981 | US4302489 Process for producing a foam sheet having an embossed pattern |
11/24/1981 | US4302410 Method producing a color coded, cellular thermoplastic resin coated wire and the materials necessary for the coating |
11/24/1981 | US4302336 Semipermeable composite membrane |
11/24/1981 | CA1113200A1 Expandable polystyrene with stabilized cell structure |
11/24/1981 | CA1112838A1 Foundry processes and compositions |
11/24/1981 | CA1112825A1 Foamed polyolefin film |
11/18/1981 | EP0039897A1 Improved process for fusion bonding of fluorocarbon type polymers |
11/18/1981 | EP0039756A2 Preparation of polyoxyalkylene surfactants for the stabilisation of phenolic foam, optionally in the presence of a metal catalyst |
11/17/1981 | US4301254 Process for the production of poly(aldehyde aminosilicon acid) resinous products and foams |
11/17/1981 | CA1112800A1 Process for the preparation of organopolysiloxane foams |
11/12/1981 | WO1981003176A1 Process to break down cellulose polymers and produce cellular solid or solid reaction products |
11/10/1981 | US4299925 Low density urea-formaldehyde resin cured in a foaming column |
11/10/1981 | US4299923 Alkyl-modified siloxane copolymers useful as foam stabilizers in high resilience polyurethane foam |
11/10/1981 | US4299883 Compression molding of polycarbodiimide foams |
11/10/1981 | US4299787 Heating and foaming a polyamide prepolymer |
11/10/1981 | US4299613 Controlled release of trace nutrients |
11/04/1981 | EP0039184A1 A flexible layered article |
11/04/1981 | EP0039118A1 Rigid polyvinyl chloride foam |
11/04/1981 | EP0039117A1 Rigid polyvinyl chloride foam |
11/04/1981 | EP0038885A1 Microcellular heterocyclic polymer structures |
11/03/1981 | US4298706 Containing partially reacted 1,2-polybutadiene |
11/03/1981 | US4298705 Copolymers of monovinyl aromatic monomers and imide derivatives of unsaturated dicarboxylic acids |
11/03/1981 | US4298704 Fire-retardant monocarboxylic acid amide copolymers |
11/03/1981 | US4298703 Fire-retardant imide copolymers |
11/03/1981 | US4298702 Process for the manufacture of flame retardant polystyrene foams |
11/03/1981 | US4298701 One step formation and injection molding of polyetherurethaneurea elastomers |
11/03/1981 | US4298666 Coated open-celled microporous membranes |
11/03/1981 | US4298556 Method for matched die molding a fiber reinforced polyurethane foam molded product |
11/03/1981 | CA1112000A1 Foamable polymer compositions |
11/03/1981 | CA1111999A1 Stabilized polystyrene compositions |
11/03/1981 | CA1111998A1 Latex foam rubber |
11/03/1981 | CA1111997A1 Imide-crosslinked ethylenic polymer resin foams |
10/28/1981 | EP0038463A2 Process for preparing polyurethane articles |
10/28/1981 | EP0038345A1 Ultrafiltration of vinyl resin latices and reuse of permeate in emulsion polymerization. |
10/27/1981 | US4297456 Process for working up isocyanate distillation residues |
10/27/1981 | US4297442 Said form being a polyurethane |
10/27/1981 | US4297220 Macroreticulated copolymer adsorption process |
10/27/1981 | CA1111600A1 Process for manufacturing an olefin resin foam |
10/27/1981 | CA1111599A1 AMINOPLAST FOAMS OF HARDENED REACTION PRODUCTS OF ALDEHYDES AND DIFUNCTIONAL MODIFIED .alpha.,.OMEGA. UREAS |
10/21/1981 | EP0037860A2 Process for recovering waste products of glass fibres, rock wool, and polyurethane hard foam; end products obtained through this process |
10/21/1981 | EP0037836A1 Polyvinylidene fluoride resin hollow filament microfilter and process for producing same |
10/20/1981 | US4296210 Open-cell shaped article made of acetalized polyvinyl alcohol and process for its manufacture |
10/20/1981 | US4296208 Spray drying polyamide |
10/20/1981 | US4296170 Polyisocyanurate foam core and aluminum foil |
10/20/1981 | US4296055 Method of injection molding thermoplastic resinous products substantially free from sink marks, swirls and related blemishes |
10/20/1981 | CA1111200A1 Process for preparing foamed and crosslinked shaped articles having improved heat-sealability and foamable and crosslinkable polyethylene resin composition used therefor |
10/20/1981 | CA1111164A1 Heterocyclic polymer solutions and products therefrom |
10/20/1981 | CA1110811A1 Microporous products and methods for making same |
10/14/1981 | EP0037636A2 Rendering substrates fire retardant |
10/14/1981 | EP0037470A1 Process for preparing elastic foams based on melamine formal dehyde condensation products |
10/13/1981 | US4294880 Foamed polyurethane articles with skin and a method for producing the same |
10/13/1981 | CA1110417A1 Cross linked polyester |
10/07/1981 | EP0037308A1 Process for preparing a rigid expanded polyvinyl chloride material and the rigid material thus obtained |
10/07/1981 | EP0037188A1 Chemical blowing agent composition, its composition and use |
10/07/1981 | EP0037185A1 A semipermeable membrane |
10/07/1981 | EP0037112A1 Process for the production of polymer/polyisocyanate compositions and the use thereof for making polyurethanes |
10/07/1981 | EP0037093A2 Expandable polystyrene beads |
10/07/1981 | EP0037067A1 Alkyl-modified siloxane copolymers useful as foam stabilizers in high resilience polyurethane foam |
10/07/1981 | EP0036994A2 Process for preparing waterproof articles from cellular polyurethane elastomers and their use as spring elements |
10/07/1981 | EP0036947A1 Method for preparing a membrane of a film-forming non-sulfonated sulfone polymer |
10/06/1981 | US4293658 Polyurethanes, phenol, formaldehyde polyol |
10/06/1981 | US4293657 Stable melamine polyol dispersions, a process for their manufacture and for the preparation of foamed polyurethane plastics |
10/06/1981 | US4293511 Processes and production apparatus for rigid cellular materials comprising polyvinyl chloride |
10/06/1981 | CA1110400A1 Silicone foam composition which has burn resistant properties |
10/06/1981 | CA1110398A1 Intumescent flame retardant polyolefin compositions |
09/30/1981 | EP0036562A2 Foamable olefin polymer compositions stabilized with certain higher ethers, esters or anhydrides, foaming process using them and foam article produced |
09/30/1981 | EP0036561A2 Foamable olefin polymer compositions stabilized with certain naphthyl amine compounds, foaming process using them and foam article produced |
09/30/1981 | EP0036560A2 Foamable olefin polymer compositions stabilized with N-alkyl substituted amides, foaming process using them and foam article produced |
09/29/1981 | US4292413 Process for the production of epoxy cellular solid products |
09/29/1981 | US4292412 Hydrophilic, fabric softener foam compositions and method of making |
09/29/1981 | CA1109978A1 Thermoplastic elastomer composition, blends of the composition with olefin plastic, and foamed products of the composition and the blends |
09/23/1981 | EP0036403A1 Method for producing a rigid polyurethane foam |
09/23/1981 | EP0036315A2 Anisotropic membranes |
09/22/1981 | US4291130 Amino resin curing agent, hydroxy-functional acrylic polymer, plasticizing |
09/22/1981 | US4291129 Composition and a method for controlling reaction pressures during the foaming process resulting in an easily flame retarded foam-in place insulation |
09/22/1981 | US4291128 Process for making urea-formaldehyde insulation |
09/22/1981 | US4291088 Foam products from furfuryl alcohol-amino-formaldehyde |
09/22/1981 | CA1109600A1 Production of polyurethane foam of reduced tendency to form embers when burned |
09/22/1981 | CA1109598A1 Process for preparing a composite product constituted by foam particles |
09/22/1981 | CA1109528A1 Apparatus and process for making particles from pre- expanded plastic materials |
09/15/1981 | US4289892 High or low density, rigid or flexible foams |
09/15/1981 | US4289857 Foamable polymeric compositions |
09/15/1981 | US4289856 Process for preparing non-yellowing integral-skinned polyurethane foam using a polyol having a functionality of 4 to 8 |
09/15/1981 | US4289600 Microporous membrane materials |
09/15/1981 | CA1109200A1 Rigid polyurethane foam-forming compositions |
09/09/1981 | EP0035389A2 Process for preparing integral skin microcellular polyester base polyurethane elastomers, the elastomers per se isocyanate curable compositions and two component combinations for producing the elastomers and cast shoe soles attached to shoe uppers |
09/09/1981 | EP0035158A1 Process for the preparation of polyisocyanates with a biuret structure |
09/09/1981 | EP0035094A2 Product in powder form to prevent the inflammability of inflammable products |
09/08/1981 | US4288565 Storable, solid mixture for the preparation of plastics which are based on epoxide resin and are stable to hydrolysis, the use of this mixture for the preparation of such plastics and plastics obtained in this way |