| Patents for C08J 11 - Recovery or working-up of waste materials (9,055) |
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| 05/11/1999 | US5902666 Corrugated sheet having a crystallinity gradient |
| 05/11/1999 | US5902567 Administering to lung by inhalation physiologically acceptable salt to hydrate secretions, concurrently administering uridine triphosphate or derivative to stimulate secretion, collecting expectorated mucus sample |
| 05/11/1999 | US5902553 Method and apparatus for the production of polyamide 6 from polymide waste |
| 05/06/1999 | EP0912214A1 Degradation of biodegradable polyester amides with enzymes |
| 05/06/1999 | DE19748174A1 Separation arrangement for printed circuit cards |
| 05/06/1999 | DE19748159A1 Verfahren zur Aufbereitung von Pulverlackabfällen und die erhaltenen Pulverlacke A process for the preparation of powder coating waste and the powder coating obtained |
| 05/05/1999 | CN1043237C Production technique for flyash composite material |
| 04/29/1999 | WO1999020684A1 Depolymerization process for recycling polyesters |
| 04/29/1999 | WO1999020380A1 Process and apparatus for the production of virgin polymer substitutes |
| 04/28/1999 | CN1215067A Preparation of benzene propyl emulsion from waste polystrene foamed plastics |
| 04/27/1999 | US5898063 Dissolving nylon in solvent at elevated temperature, removing solution from solid residue, cooling to precipitate and recover nylon |
| 04/21/1999 | EP0909280A1 Decomposing polymers using nor-hals compounds |
| 04/21/1999 | EP0790978B1 A process for recycling amino-carboxylic acid waste materials into amido-carboxylic acids |
| 04/20/1999 | US5895790 Thermosetting wide range polymer blends |
| 04/20/1999 | US5895724 Recoverable backings for cellulose acetate film support |
| 04/15/1999 | DE19744436A1 Separation of polyolefin from polyolefinic polymer fraction or mixture |
| 04/14/1999 | EP0907679A1 Automotive additives and sealants containing waste powder prime |
| 04/14/1999 | EP0734411B1 Method of decomposing polycyanurate-containing materials |
| 04/14/1999 | CN1214061A Method for reclaiming fused vinyl plastisols |
| 04/07/1999 | EP0906365A1 Plastic recycling process and process for producing plastic materials |
| 04/07/1999 | EP0906364A1 Water-in-oil emulsion spray drying process |
| 04/07/1999 | EP0906359A1 Spray-drying oil recovery process |
| 04/07/1999 | EP0906358A2 Spray-dried polymer compositions and methods |
| 04/07/1999 | EP0850267A4 Method and apparatus for separating polymer from a plastic, and the resulting separated polymer |
| 04/07/1999 | CN1212949A Method and device for intermittent continuous recovery waste tyre for extracting active carbon |
| 04/06/1999 | US5892087 Process for decomposing siloxane bond-containing compound |
| 04/06/1999 | US5891926 Cured rubber can be devulcanized by heating it to a temperature of at least about 150.degree. c. under a pressure of at least about 3.4.times.10.sup.6 pascals in the presence of 2-butanol. |
| 04/06/1999 | US5891403 Portable waste disposal unit chambers with rams for compaction and removable tanks with solvents |
| 04/06/1999 | CA2129451C Methods and devices for purifying polyolefin |
| 03/31/1999 | EP0904317A1 Method for obtaining polyols and polyol thus obtained. |
| 03/30/1999 | US5889142 Selective polyamide recovery from multi-component materials |
| 03/30/1999 | US5889119 Recycling vulcanized rubber |
| 03/30/1999 | US5889063 Mixing rubber particles in closed reactor with nitric acid, extracting inorganic materials |
| 03/25/1999 | WO1999014026A1 Method for recycling rubber-containing articles, particularly reinforced articles such as the tire casings of vehicles, and device for realising the same |
| 03/25/1999 | CA2304246A1 Method for recycling rubber-containing articles, particularly reinforced articles such as the tire casings of vehicles, and device for realising the same |
| 03/24/1999 | EP0797571B1 Method of obtaining caprolactam by hydrolytic splitting of molten polycaprolactam |
| 03/23/1999 | US5886058 Chopping the post consumer plastic into flakes and chunks, rolling flakes and chunks to flatten chunks into flake like pieces, heating to remove polyvinyl chloride particles as an impurity, solid phase polymerizing polyethyene terephthalate |
| 03/17/1999 | CN1210855A Depolymerisation of polyamides |
| 03/16/1999 | US5883140 Subjecting a mass of the rubber to mechanical working applying highly intensive impact forces to the mass. |
| 03/16/1999 | US5883139 Process for improving the properties of ground recycled rubber |
| 03/16/1999 | US5882558 Foamed polystyrene |
| 03/11/1999 | WO1999011707A1 Resin composition |
| 03/10/1999 | CN2310071Y Device for producing fuel by utilizing waste plastics |
| 03/10/1999 | CN1042432C Method and apparatus for continuous ultrasonic devulcanization of vulcanized elastomers |
| 03/09/1999 | US5880218 Can be decatalyzed to contain uncured polymer for use in pressure sensitive sealants, caulking, automotive sealants, polyvinyl chloride plastics, rubbers and asphalt cement coatings; waste reduction |
| 03/09/1999 | US5879608 Reacting polyisocyanates with polyols obtained as decomposition products of polyurethane or polyurea wastes |
| 03/04/1999 | WO1999010433A1 Polyamide/polyurethane micro-blend and process |
| 03/03/1999 | EP0899292A1 Process for reducing the amine content of recyclate polyols |
| 03/03/1999 | CN1209825A Process for hydrolization of polyurethane degraded product |
| 03/02/1999 | US5877255 Floor coverings |
| 02/26/1999 | CA2242980A1 Reduction of the amine content of recycled polyols |
| 02/25/1999 | WO1999009092A1 The reprocessing of polymeric products |
| 02/24/1999 | EP0897783A2 Recycling process of a cross-linked polymeric material, in particular from electric cable coating materials |
| 02/24/1999 | CN1208938A Method and equipment for processing waste materials |
| 02/24/1999 | CN1208742A Method for prodn. of gasolene, diesel oil and carbon black from waste tyre, and prodn. equipment therefor |
| 02/23/1999 | US5874482 Immersing said thermoset plastic molded product in an alkaline aqueous solution to promote permeation and penetration of said alkaline aqueous solution into said thermoset plastic molded product, causing softening, weakening |
| 02/23/1999 | US5873945 Waste recycling to remove the volatile carbonyl compound by vaporizing in a housing with a plurality of mixing blades, agitating, separating, solidifying the paint particles |
| 02/23/1999 | US5873208 Roof shingles and a method of making the same |
| 02/18/1999 | WO1999007776A1 Transformation of expanded polymers |
| 02/18/1999 | WO1999007531A1 Method for treating textile waste containing thermoplastic fibres |
| 02/17/1999 | EP0896977A1 Process for preparing polymeric blends by recycling engineering plastics |
| 02/16/1999 | US5872205 Heating a mixture to fluidization, segregation by induced migration and solidification |
| 02/16/1999 | US5871161 Method and apparatus for recycling laminated film |
| 02/16/1999 | CA2046995C Method for preparation of composite materials |
| 02/09/1999 | US5869542 Condensing to obtain condensed oil and condensed water; separation; condensed oil is substantially free of non-gaseous polymerization-debilitating substances; utilizes aqueous acid |
| 02/04/1999 | WO1999004861A1 Method for eliminating halogenated and non halogenated waste |
| 02/03/1999 | EP0894818A1 Process for recycling soluble polymers or polymer blends from plastic containing materials |
| 02/03/1999 | EP0894105A1 Cured unsaturated polyester-polyurethane highly filled resin materials and process for preparing them |
| 02/02/1999 | US5866622 Dissolving in molten dimethylterephthalate, methyl-p-toluate or dimethylisophthalate as solvent and separating the polyester solution from the non-polyester components. |
| 01/28/1999 | WO1999003920A1 Method for treating paint sludge |
| 01/28/1999 | DE19731840A1 Low cost processes exploiting comminuted used tyres |
| 01/27/1999 | EP0778860B1 Expandable styrene polymers containing recyclate |
| 01/26/1999 | US5863002 Waste processing apparatus, waste recovery system and liquid container |
| 01/21/1999 | WO1999002321A1 Recycling trim components |
| 01/21/1999 | CA2264624A1 Recycling trim components |
| 01/20/1999 | EP0892016A1 Method for obtaining polyester resin pellets having desired strength, and mixture used in said method |
| 01/20/1999 | EP0891969A1 Depolymerisation of polyamides |
| 01/20/1999 | CN1205330A Depolymerization of polymides |
| 01/14/1999 | DE19729065A1 Accelerated depolymerisation of poly:methyl methacrylate giving high monomer yield |
| 01/14/1999 | CA2243126A1 Depolymerization of polyamides |
| 01/13/1999 | EP0890629A1 Pyrolytic Reactor for Waste Plastic |
| 01/13/1999 | EP0613417B1 Manufacture of a multilayered covering |
| 01/13/1999 | CN2303842Y Cracking and fractionating apparatus for extracting fuel-oil |
| 01/12/1999 | US5859167 Cured polyester plastic compositions derived from recycled polyurethanes |
| 01/12/1999 | US5859072 Process for treating expanded polystyrene |
| 01/12/1999 | US5859071 Granulation; heating a polymeric blend with a compatibilizing agent comprising polypropylene and a polypropylene modified with acrylic acid and maleic anhydride |
| 01/07/1999 | EP0889081A1 Process for re-using powder produced during the production of friction linings |
| 01/07/1999 | EP0751829A4 Process and apparatus for recycling disposable diapers |
| 01/07/1999 | DE19728036A1 Surface activation and modification of sulphur-vulcanised rubber particles |
| 01/06/1999 | CN1041515C Method and product for recovery terephthalates and glycol from polyethylene terephthalates |
| 01/05/1999 | US5855975 Anti-corrosion plastic film containing recycled resin |
| 12/30/1998 | EP0887372A1 Devulcanized rubber, method of manufacturing devulcanized rubber, and method of manufacturing reclaimed molded rubber products from devulcanized rubber |
| 12/30/1998 | EP0876425A4 Method for reclaiming fused vinyl plastisols |
| 12/29/1998 | US5854058 Method of decomposing hard type rubber products |
| 12/23/1998 | CN1202498A Purifying method for epoxy ethane-epoxy propane random copolymer |
| 12/22/1998 | US5852115 Recycling of carpet scrap |
| 12/22/1998 | US5851065 Apparatus for recycling resin scrap |
| 12/16/1998 | EP0884368A1 Dissolving agent for cured polyorganosiloxane material |
| 12/16/1998 | EP0695318B1 Increasing the molecular weight of polyesters and premix useful for this process |
| 12/15/1998 | US5849964 Process for the processing of salvaged or waste plastic materials |