Patents for C08J 11 - Recovery or working-up of waste materials (9,055) |
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09/29/1999 | CN1229832A Wasted plastic oil refining process with low cost and high yield |
09/28/1999 | US5959007 Bituminous compositions prepared with process treated vulcanized rubbers |
09/28/1999 | US5958988 Cross-linked polyurethane resin powder and process for producing the same |
09/28/1999 | US5958987 Contacting materials containing polyester with an alkaline composition to form a mixture. the mixture is heated causing some of the impurities to be chemically modified into a more separable form. |
09/23/1999 | WO1999047318A1 Process for removing deleterious surface material from polymeric regrind particles |
09/22/1999 | EP0743892B1 Process and device for making use of plastic-coated or sheathed wiring and waste wire for the separate recovery of metal and pure recyclable plastic |
09/16/1999 | DE19811280A1 Verfahren und Vorrichtung zur Rückgewinnung von linearem Polyester Method and apparatus for recovering linear polyesters |
09/16/1999 | DE19811199A1 Recovery of polyvinylbutyral from safety glass and process equipment |
09/16/1999 | DE19810874A1 Verfahren zur Aufbereitung von Edel- und/oder Halbedelmetallen aus Leiterplatten Process for the preparation of precious and / or semi-precious metals from printed circuit boards |
09/16/1999 | DE19809998A1 Separation of organic metal salts from polymer solution gives a product containing less than 50 parts per million metal salts |
09/15/1999 | EP0942070A1 Recovery of metal values from polyester circuit boards by treatment in alkaline solutions of higher alcohols |
09/15/1999 | EP0942035A2 Process and apparatus for recycling of linear polyesters |
09/15/1999 | EP0942034A2 Devulcanization of cured rubber |
09/15/1999 | CN1228449A Method for using regenerating phenolic resin hardening material |
09/14/1999 | US5951940 Method of recycling post-consumer plastic waste |
09/08/1999 | EP0940438A1 Resin composition |
09/08/1999 | EP0940239A1 Recycling of cured phenolic resin and a product such as a vacuum thermal insulator obtained thereby |
09/08/1999 | CN2337148Y Device for recovering raw material oil from polystyrene foam plastics waste by thermal decomposition |
09/08/1999 | CN1228102A Plastic recycling process and process for producing plastic materials |
09/07/1999 | US5948828 Technology development and consultancy |
09/07/1999 | US5948827 A solution of lactic acid, phosphoric acid or formic acid with toluene or methyl isobutyl ketone. |
09/07/1999 | CA2061600C Polymer cracking |
09/02/1999 | WO1999043744A1 Membrane filtration of polymer containing solutions |
09/01/1999 | EP0939100A1 Membrane filtration of polymer containing solutions |
09/01/1999 | CN1227338A Stored combustion gas converted by solar energy and heating system thereof |
08/31/1999 | US5945461 Foamed acrylic polymer compositions |
08/25/1999 | EP0937742A1 A process for improving the properties of ground recyled rubber |
08/25/1999 | CN1226902A Process for decompositing polymer to its monomer or monomers |
08/25/1999 | CN1226574A Method for treating polystyrene foamed plastics |
08/24/1999 | US5942649 Method for monomer recovery |
08/20/1999 | CA2260737A1 A process for improving the properties of ground recycled rubber |
08/18/1999 | EP0726809A4 Hot water soluble towels, sponges and gauzes |
08/12/1999 | DE19806355A1 Two stage process for separation of polymer mixtures, useful for reprocessing of used polymers |
08/04/1999 | CN1224733A Graft-blending high-phenylethylene rubber and its production process |
08/04/1999 | CN1044485C Reproduction of foamed polyurethane |
08/03/1999 | US5932691 Process for devolatilization |
08/03/1999 | US5932334 Advanced polymer wood composite |
07/28/1999 | EP0931809A2 Rubber composition and method for producing the same |
07/28/1999 | EP0785962B1 Polyarylene sulphide recycling process |
07/28/1999 | EP0641366B1 Improved poly ethylene terephthalate decontamination |
07/21/1999 | EP0930016A1 Method and apparatus for forming a cellulose article including solvent recovery means |
07/20/1999 | CA2252340A1 Method and apparatus for forming a cellulose article including solvent recovery means |
07/15/1999 | WO1999034941A1 Method for recovering medicaments from preparations, and from the precursors or wastes thereof |
07/14/1999 | CN2328658Y Movable environment protection regenerating refining furnace |
07/14/1999 | CN1222924A Water-in-oil emulsion spray drying process |
07/14/1999 | CN1222923A Spray-dried polymer compositions and methods |
07/14/1999 | CN1222922A Spray-drying oil recovery process |
07/13/1999 | US5922835 Waste recycling of polystyrene by dissolving in solvent |
07/13/1999 | US5922834 Removing water and/or organic solvent by drying the sludge without curing the polymer resin; decatalyzing to prevent curing by treatment with a base having a high ph; putty product can make sealants, rubbers, plastics |
07/08/1999 | WO1999033907A1 Method and device for processing automobile tires |
07/08/1999 | WO1999033524A1 Method for treating pcb-containing waste oil |
07/08/1999 | DE19800567A1 Verfahren und Vorrichtung zur Aufbereitung von Kraftfahrzeugreifen Method and apparatus for the treatment of motor vehicle tires |
07/08/1999 | DE19800277A1 Verfahren zur Rückgewinnung von Arzneistoffen aus Zubereitungen, deren Vorprodukten oder Abfällen Process for the recovery of drugs from preparations, their precursors or Waste |
07/07/1999 | EP0927220A1 Methods of recycling and compositions used therein |
07/07/1999 | CN1221767A Plastic and fly ash composite material |
07/07/1999 | CN1221761A Mfg. method for regenerated foamed plastic blocks |
07/06/1999 | US5919717 Recycled fiber yarn and method for making same |
07/06/1999 | CA2175016C Process for recycling resin covered with paint film |
06/29/1999 | US5917102 Device for depolymerizing used and waste plastics |
06/29/1999 | US5916932 Composite building materials from recyclable waste |
06/29/1999 | US5916410 Carpet reclamation process |
06/23/1999 | EP0923440A1 Recycling trim components |
06/23/1999 | CN2325392Y Equipment for producing petroleum products by using waste plastics as raw material |
06/23/1999 | CN1220679A Method for obtaining polyols and polyol thus obtained |
06/23/1999 | CN1220205A Method for recovering and regenerating waste foamed polystyrene plastics |
06/17/1999 | WO1999029481A1 A process for the conversion of mixed plastic waste |
06/17/1999 | CA2313012A1 A process for the conversion of mixed plastic waste |
06/16/1999 | EP0922070A1 Composite building materials from recyclable waste |
06/16/1999 | EP0922068A1 Use of cashew nut husk oil in rubber and duroplastics recycling |
06/16/1999 | CN1219549A Technical process for producing PVC cable granules by use of waste polyvinyl chloride |
06/15/1999 | US5912275 By methsnolysis and recovery of methanol using azortropicagents methyl benzoate or para methyl toluate. |
06/15/1999 | US5912062 Carpets, synthetic wood |
06/15/1999 | CA2173245C Liquefaction and partial oxidation of plastic materials |
06/15/1999 | CA2097432C A process for activating vulcanized waste rubber particles and a process for producing a rubber-like article using said activated waste rubber particles |
06/10/1999 | WO1999028375A1 Method for producing a sandwich-type structure |
06/10/1999 | WO1999028366A1 Degradable polyesters |
06/10/1999 | WO1999023068A8 Method for processing coating powder waste and coating powders thus obtained |
06/09/1999 | EP0920966A2 A process for devolatilization |
06/09/1999 | EP0719302B1 Recycling of varnish coagulate in road construction |
06/08/1999 | US5910514 Made from rubber particles, such as ground up tires, and a waterbased acrylic colorant; looks like natural; variety of sizes and shapes; prevents growth of weeds, no offensive odours, nontoxic, durable |
06/08/1999 | US5910234 Recovery of alcohols from process wastewater from production of silicone resin |
06/05/1999 | CA2255173A1 A process for devolatilization |
06/03/1999 | WO1999027004A1 Method and installation for separating constituents of used tyres |
06/03/1999 | WO1999020380B1 Process and apparatus for the production of virgin polymer substitutes |
06/03/1999 | CA2310146A1 Method and installation for separating constituents of used tyres |
06/01/1999 | US5908894 Thermoplastic polyurethanes and their preparation |
06/01/1999 | US5908677 High density polyethylene homopolymer from milk containers, virgin high density polyethylene homopolymer or copolymer; lightweight and has stress crack resistance |
05/27/1999 | WO1999025563A1 Biaxially oriented polyester film for thermal transfer ribbon |
05/27/1999 | DE19752399A1 Sandwich floor covering material |
05/27/1999 | DE19751442A1 Recovery of polystyrene from waste material |
05/27/1999 | DE19751441A1 Treatment of low density polyethylene containing plastic waste |
05/25/1999 | US5906998 Method for decomposing polymer containing urethane linkage and/or urealinkage |
05/20/1999 | WO1999024530A1 Apparatus for decomposing waste plastics |
05/19/1999 | EP0915917A1 Process for decomposing a polymer to its monomer or monomers |
05/19/1999 | EP0842239B1 Method for monomer recovery |
05/14/1999 | WO1999023176A1 Continuous method for reusing coating powder waste and coating powders thus obtained |
05/14/1999 | WO1999023138A1 Cellulosic fiber composites |
05/14/1999 | WO1999023068A1 Method for processing coating powder waste and coating powders thus obtained |
05/14/1999 | CA2307787A1 Continuous method for reusing coating powder waste and coating powders thus obtained |
05/14/1999 | CA2307786A1 Method for processing coating powder waste and coating powders thus obtained |