| Patents for C08J 11 - Recovery or working-up of waste materials (9,055) |
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| 08/05/1980 | CA1083117A1 Method and apparatus for the recovery of vulcanised elastomeric material |
| 07/23/1980 | EP0013635A1 Method and apparatus for producing rubber melt |
| 07/23/1980 | EP0013350A1 Process for splitting up polyurethane hydrolysis products into polyol and polyamine |
| 07/22/1980 | US4214110 Process for producing hydrocarbons |
| 07/15/1980 | US4212774 Depolymerization by saponification; seapartion and repolymerization |
| 07/08/1980 | US4211676 Process for reclaiming scrap vulcanized rubber |
| 07/08/1980 | US4211576 Scrap rubber a petroleum from refinery bottoms |
| 06/11/1980 | EP0011662A1 Hydrolysis of polyurethanes |
| 06/11/1980 | EP0011661A1 A recycling process for flexible polyurethane foams |
| 06/10/1980 | US4207378 Expanded styrene-polymers and polyolefin micro-bits and their preparation |
| 05/27/1980 | US4205147 Acidification and heat to dissolve copolymer containing carboxylic or sulfonic acid moieties |
| 04/01/1980 | US4196148 Ammonia, diamine and polymer recovery |
| 04/01/1980 | US4196105 Recovery of polystyrene using liquid sulfur dioxide |
| 03/19/1980 | EP0008916A1 Compositions for treating used rubber and their use in a recycling process |
| 03/18/1980 | US4193896 Process for modifying linear polymer resins |
| 03/18/1980 | US4193838 Removal of thermoplastic resin coatings from paperboard with halogenated hydrocarbon vapors |
| 03/11/1980 | CA1073597A1 Process and apparatus for treating polyvinyl alcohol containing waste liquid |
| 02/20/1980 | EP0007978A1 Clean process for recycling waste reaction products of organic isocyanates and alcohols and/or water |
| 01/29/1980 | CA1070480A1 Char composition and a method for making a char composition |
| 01/23/1980 | EP0007167A1 Method of making plastics material incorporating reclaimed tyre rubber and article made therefrom |
| 01/15/1980 | CA1069666A1 Method of treating waste sheet flooring |
| 01/09/1980 | EP0006834A2 A process of reclaiming rubber |
| 01/01/1980 | CA1069079A Microwave devulcanization of rubber |
| 11/27/1979 | CA1067247A1 Process for the production of laminates |
| 11/13/1979 | US4174308 Forming insulation from scrap rubber |
| 09/11/1979 | US4167477 Separation of plastics by flotation |
| 09/04/1979 | CA1061947A1 Solvent recovery of thermoplastic polyesters |
| 08/28/1979 | US4166033 Process for the separation of polyvinyl alcohol from aqueous solutions |
| 08/14/1979 | US4164484 Process for recovering polyolefin and polystyrene materials by dissolving, vacuum-evaporating and precipitating |
| 08/07/1979 | US4163860 Process for obtaining dimethyl terephthalate from polyester scrap |
| 07/31/1979 | US4162995 Method and composition for reclaiming polyurethane |
| 07/17/1979 | US4161465 PVC red-mud compositions |
| 07/17/1979 | US4161464 Onium salt, hydroxyl ions |
| 07/10/1979 | US4160761 Plastic articles |
| 07/10/1979 | US4160749 Process for dissociating polyurethane resins |
| 07/03/1979 | US4159972 Dissolution of polyurethane foams and re-use of the products therefrom |
| 05/29/1979 | US4156768 Process for making and/or modifying polyurethanes |
| 05/29/1979 | CA1055648A1 Method for the continuous recovery of soluble polypropylene from spent polymerization media |
| 04/10/1979 | US4148763 Reclaim oil for digester process for rubber reclaiming |
| 04/10/1979 | US4148702 Treatment of coated fabric scrap |
| 04/10/1979 | CA1052063A1 Reclaimed vulcanised rubber |
| 04/10/1979 | CA1052057A1 Asphalt composition, particularly for obtaining asphalt road surfaces, and method of producing this composition |
| 04/03/1979 | CA1052048A1 Polyester polymer recovery |
| 03/27/1979 | US4146699 Reduction of molecular weight with amines, gel-free |
| 03/20/1979 | US4145533 Method for recycling regenerated cellulose scrap |
| 03/13/1979 | CA1050533A1 Regenerated cellulose recovery process using a humid gas to remove coating solvent |
| 03/07/1979 | EP0000948A1 Process for the preparation of polyol containing liquids from polyurethane wastes |
| 03/07/1979 | EP0000904A1 Recovery of high value polycarbonate from polycarbonate wastes |
| 03/06/1979 | CA1050200A1 Thermoplastic elastomers from recycled polyesters |
| 02/21/1979 | EP0000766A1 Process for the preparation of ethylene homo and copolymers |
| 02/20/1979 | CA1049043A1 Method of recovering amines by the hydrolytic decomposition of polyurethanes |
| 02/06/1979 | US4138534 Production of structural members from reclaimed polyolefins |
| 02/06/1979 | US4138374 Process for manufacturing shaped polyester article using scrap materials |
| 02/06/1979 | US4138315 Production of paper sheets, boards and pulp molded articles from fibrids from the constituents of the effluent obtained in the manufacture of styrene bead polymers |
| 01/30/1979 | US4137393 Polyester polymer recovery from dyed polyester fibers |
| 01/30/1979 | US4137221 Heat-curable and solvent-soluble ester group-containing polymer compositions and process for their preparation |
| 01/30/1979 | US4136967 Screw machine for the continuous degradation of plastics |
| 01/16/1979 | CA1046698A1 Recovery of flexible and rigid materials from scrap polyvinylchloride, its copolymers and congeners |
| 01/09/1979 | CA1046091A1 Process for producing hydrocarbons |
| 01/02/1979 | CA1045750A1 Method for reclaiming cured rubber scraps |
| 12/12/1978 | US4129768 Method and apparatus for microwave heating of flowable material |
| 11/14/1978 | US4125578 Reclaimed vulcanized rubber |
| 11/07/1978 | CA1042150A1 Process for foaming ionic copolymers and the products thereof |
| 11/07/1978 | CA1042147A1 Ionic polymer foam and the preparation thereof |
| 11/07/1978 | CA1042146A1 Process for reclaiming flexible polyurethane foam |
| 10/31/1978 | US4123584 Method for reclaiming processed thermosetting plastic compounds |
| 10/31/1978 | US4123194 Profiled chip breaker |
| 10/17/1978 | US4120832 Process for the preparation of a coating composition for roads, airports and industrial floorings |
| 10/10/1978 | US4119533 Flotation |
| 10/10/1978 | CA1040349A1 Polyester waste recovery |
| 10/10/1978 | CA1040345A1 Fabric dye stripping, separation and recovery of polyester |
| 10/03/1978 | US4118358 Preparation of oxadiazole copolymer solution from scrap copolymer |
| 10/03/1978 | US4118346 Phenolic resin recovery process |
| 10/03/1978 | US4118345 Recovery of polyacetal resins |
| 10/03/1978 | US4118187 Swelling, dissolving, evaporation |
| 10/03/1978 | CA1039895A1 Polyester polymer recovery from dyed polyester fabrics |
| 10/03/1978 | CA1039742A1 Process for preparing dimethyl-terephtalate from polyester wastes_ |
| 09/26/1978 | CA1039303A1 Method for recovery of methyl methacrylate from mixed polymeric materials |
| 09/19/1978 | US4115298 Process for splitting up polyurethane waste into activated polyhydroxyl compounds |
| 09/19/1978 | CA1038572A1 Regeneration of polymeric material |
| 08/29/1978 | US4110266 Process for converting the decomposition products of polyurethane and novel compositions thereby obtained |
| 08/08/1978 | US4105593 Masticating in the presence of a plasticizer |
| 08/01/1978 | US4104341 Utilization of constituents of effluent from the manufacture of styrene bead polymers in the manufacture of fibrids |
| 08/01/1978 | US4104205 Elastomer wastes |
| 07/18/1978 | US4101463 Molded composition and article molded therefrom |
| 07/04/1978 | US4098996 Regenerated cellulose film recovery process |
| 07/04/1978 | US4098992 Method for continuous soluble polypropylene recovery from hydrocarbon polymerization media |
| 07/04/1978 | US4098737 Treatment of vulcanized rubber |
| 06/20/1978 | US4096061 Recovery and reuse of paint solids from waste water |
| 05/23/1978 | US4090670 Heating, devulcanization |
| 05/16/1978 | US4089704 Removal of RTV silicon rubber encapsulants |
| 04/04/1978 | US4082617 Distillation of alcohol from solution containing high-boiling complex of dialkylacylamide and nitric acid |
| 03/14/1978 | US4078916 Recovery of silver and other valuable constituents from polyester based photographic film |
| 03/07/1978 | US4078143 Process for depolymerizing waste ethylene terephthalate polyester |
| 03/07/1978 | US4078129 Alkali metal borate coagulant |
| 03/07/1978 | US4077923 From comminuted tire stock, heat treatment, sulfonating |
| 02/21/1978 | US4074894 Asphalt-aggregate recycle |
| 02/07/1978 | US4072591 Process for conversion of oligomers and higher polymers by irradiation with high-energy electrons |
| 02/07/1978 | US4072580 Organo-polysiloxane resins |
| 01/31/1978 | US4071479 Reclamation processing of vinyl chloride polymer containing materials and products produced thereby |