Patents for C08J 11 - Recovery or working-up of waste materials (9,055)
09/1999
09/29/1999CN1229832A Wasted plastic oil refining process with low cost and high yield
09/28/1999US5959007 Bituminous compositions prepared with process treated vulcanized rubbers
09/28/1999US5958988 Cross-linked polyurethane resin powder and process for producing the same
09/28/1999US5958987 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.
09/23/1999WO1999047318A1 Process for removing deleterious surface material from polymeric regrind particles
09/22/1999EP0743892B1 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
09/16/1999DE19811280A1 Verfahren und Vorrichtung zur Rückgewinnung von linearem Polyester Method and apparatus for recovering linear polyesters
09/16/1999DE19811199A1 Recovery of polyvinylbutyral from safety glass and process equipment
09/16/1999DE19810874A1 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
09/16/1999DE19809998A1 Separation of organic metal salts from polymer solution gives a product containing less than 50 parts per million metal salts
09/15/1999EP0942070A1 Recovery of metal values from polyester circuit boards by treatment in alkaline solutions of higher alcohols
09/15/1999EP0942035A2 Process and apparatus for recycling of linear polyesters
09/15/1999EP0942034A2 Devulcanization of cured rubber
09/15/1999CN1228449A Method for using regenerating phenolic resin hardening material
09/14/1999US5951940 Method of recycling post-consumer plastic waste
09/08/1999EP0940438A1 Resin composition
09/08/1999EP0940239A1 Recycling of cured phenolic resin and a product such as a vacuum thermal insulator obtained thereby
09/08/1999CN2337148Y Device for recovering raw material oil from polystyrene foam plastics waste by thermal decomposition
09/08/1999CN1228102A Plastic recycling process and process for producing plastic materials
09/07/1999US5948828 Technology development and consultancy
09/07/1999US5948827 A solution of lactic acid, phosphoric acid or formic acid with toluene or methyl isobutyl ketone.
09/07/1999CA2061600C Polymer cracking
09/02/1999WO1999043744A1 Membrane filtration of polymer containing solutions
09/01/1999EP0939100A1 Membrane filtration of polymer containing solutions
09/01/1999CN1227338A Stored combustion gas converted by solar energy and heating system thereof
08/1999
08/31/1999US5945461 Foamed acrylic polymer compositions
08/25/1999EP0937742A1 A process for improving the properties of ground recyled rubber
08/25/1999CN1226902A Process for decompositing polymer to its monomer or monomers
08/25/1999CN1226574A Method for treating polystyrene foamed plastics
08/24/1999US5942649 Method for monomer recovery
08/20/1999CA2260737A1 A process for improving the properties of ground recycled rubber
08/18/1999EP0726809A4 Hot water soluble towels, sponges and gauzes
08/12/1999DE19806355A1 Two stage process for separation of polymer mixtures, useful for reprocessing of used polymers
08/04/1999CN1224733A Graft-blending high-phenylethylene rubber and its production process
08/04/1999CN1044485C Reproduction of foamed polyurethane
08/03/1999US5932691 Process for devolatilization
08/03/1999US5932334 Advanced polymer wood composite
07/1999
07/28/1999EP0931809A2 Rubber composition and method for producing the same
07/28/1999EP0785962B1 Polyarylene sulphide recycling process
07/28/1999EP0641366B1 Improved poly ethylene terephthalate decontamination
07/21/1999EP0930016A1 Method and apparatus for forming a cellulose article including solvent recovery means
07/20/1999CA2252340A1 Method and apparatus for forming a cellulose article including solvent recovery means
07/15/1999WO1999034941A1 Method for recovering medicaments from preparations, and from the precursors or wastes thereof
07/14/1999CN2328658Y Movable environment protection regenerating refining furnace
07/14/1999CN1222924A Water-in-oil emulsion spray drying process
07/14/1999CN1222923A Spray-dried polymer compositions and methods
07/14/1999CN1222922A Spray-drying oil recovery process
07/13/1999US5922835 Waste recycling of polystyrene by dissolving in solvent
07/13/1999US5922834 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
07/08/1999WO1999033907A1 Method and device for processing automobile tires
07/08/1999WO1999033524A1 Method for treating pcb-containing waste oil
07/08/1999DE19800567A1 Verfahren und Vorrichtung zur Aufbereitung von Kraftfahrzeugreifen Method and apparatus for the treatment of motor vehicle tires
07/08/1999DE19800277A1 Verfahren zur Rückgewinnung von Arzneistoffen aus Zubereitungen, deren Vorprodukten oder Abfällen Process for the recovery of drugs from preparations, their precursors or Waste
07/07/1999EP0927220A1 Methods of recycling and compositions used therein
07/07/1999CN1221767A Plastic and fly ash composite material
07/07/1999CN1221761A Mfg. method for regenerated foamed plastic blocks
07/06/1999US5919717 Recycled fiber yarn and method for making same
07/06/1999CA2175016C Process for recycling resin covered with paint film
06/1999
06/29/1999US5917102 Device for depolymerizing used and waste plastics
06/29/1999US5916932 Composite building materials from recyclable waste
06/29/1999US5916410 Carpet reclamation process
06/23/1999EP0923440A1 Recycling trim components
06/23/1999CN2325392Y Equipment for producing petroleum products by using waste plastics as raw material
06/23/1999CN1220679A Method for obtaining polyols and polyol thus obtained
06/23/1999CN1220205A Method for recovering and regenerating waste foamed polystyrene plastics
06/17/1999WO1999029481A1 A process for the conversion of mixed plastic waste
06/17/1999CA2313012A1 A process for the conversion of mixed plastic waste
06/16/1999EP0922070A1 Composite building materials from recyclable waste
06/16/1999EP0922068A1 Use of cashew nut husk oil in rubber and duroplastics recycling
06/16/1999CN1219549A Technical process for producing PVC cable granules by use of waste polyvinyl chloride
06/15/1999US5912275 By methsnolysis and recovery of methanol using azortropicagents methyl benzoate or para methyl toluate.
06/15/1999US5912062 Carpets, synthetic wood
06/15/1999CA2173245C Liquefaction and partial oxidation of plastic materials
06/15/1999CA2097432C A process for activating vulcanized waste rubber particles and a process for producing a rubber-like article using said activated waste rubber particles
06/10/1999WO1999028375A1 Method for producing a sandwich-type structure
06/10/1999WO1999028366A1 Degradable polyesters
06/10/1999WO1999023068A8 Method for processing coating powder waste and coating powders thus obtained
06/09/1999EP0920966A2 A process for devolatilization
06/09/1999EP0719302B1 Recycling of varnish coagulate in road construction
06/08/1999US5910514 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
06/08/1999US5910234 Recovery of alcohols from process wastewater from production of silicone resin
06/05/1999CA2255173A1 A process for devolatilization
06/03/1999WO1999027004A1 Method and installation for separating constituents of used tyres
06/03/1999WO1999020380B1 Process and apparatus for the production of virgin polymer substitutes
06/03/1999CA2310146A1 Method and installation for separating constituents of used tyres
06/01/1999US5908894 Thermoplastic polyurethanes and their preparation
06/01/1999US5908677 High density polyethylene homopolymer from milk containers, virgin high density polyethylene homopolymer or copolymer; lightweight and has stress crack resistance
05/1999
05/27/1999WO1999025563A1 Biaxially oriented polyester film for thermal transfer ribbon
05/27/1999DE19752399A1 Sandwich floor covering material
05/27/1999DE19751442A1 Recovery of polystyrene from waste material
05/27/1999DE19751441A1 Treatment of low density polyethylene containing plastic waste
05/25/1999US5906998 Method for decomposing polymer containing urethane linkage and/or urealinkage
05/20/1999WO1999024530A1 Apparatus for decomposing waste plastics
05/19/1999EP0915917A1 Process for decomposing a polymer to its monomer or monomers
05/19/1999EP0842239B1 Method for monomer recovery
05/14/1999WO1999023176A1 Continuous method for reusing coating powder waste and coating powders thus obtained
05/14/1999WO1999023138A1 Cellulosic fiber composites
05/14/1999WO1999023068A1 Method for processing coating powder waste and coating powders thus obtained
05/14/1999CA2307787A1 Continuous method for reusing coating powder waste and coating powders thus obtained
05/14/1999CA2307786A1 Method for processing coating powder waste and coating powders thus obtained
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