| Patents for C08J 11 - Recovery or working-up of waste materials (9,055) |
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| 02/26/1998 | CA2263990A1 Use of cashew nut husk oil in rubber and duroplastics recycling |
| 02/24/1998 | US5721017 Homogenizing by shearing, agitating with water soluble solvents |
| 02/18/1998 | CN1037447C REgenerating method by directly desulfurizing scraps of waste rubber |
| 02/17/1998 | US5719215 Mixing with hydrocarbon oil to soften and swell, applying thermal and mechanical energy to partially dissociate rubber, dispersing in bitumen and compatibilizing agent, applying thermal and mechanical energy; storage stability |
| 02/17/1998 | US5719198 Granulating carpet scrap to obtain heterogeneous incompatible mixture of polyamide, polyester, polypropylene, polyethylene, ethylene-vinyl acetate copolymer, filler, adding compatibilizing agent, heating to form homogeneous blend |
| 02/12/1998 | DE19631706A1 Recovery and recycling of plastisol using a low b.pt. solvent |
| 02/10/1998 | US5716996 Heating coagulate from spray painting, splitting organic components of paint into polyols for reuse as paint vehicles |
| 02/05/1998 | WO1998004599A1 Process for decomposing a polymer to its monomer or monomers |
| 02/05/1998 | WO1997048732A3 Spray-dried polymer compositions and methods |
| 02/05/1998 | CA2261726A1 Process for decomposing a polymer to its monomer or monomers |
| 02/04/1998 | EP0822228A2 Recycling of flexible foam to prepare polyether polyols |
| 02/03/1998 | US5714523 Process for hydrolysing polyurethane degradation products |
| 02/03/1998 | US5714070 Mixing washing water with precleaned polyethylene recyclate shreds, heating to evaporate solvent, agitating to remove nitrocellulose residues from surfaces, recycling solvent |
| 01/29/1998 | WO1998003586A1 Polymer blend |
| 01/28/1998 | CN1171451A Method for recovering aluminium foil from waste aluminium foil package and apparatus thereof |
| 01/27/1998 | US5712410 Gas phase crystallization of dimethyl terephthalate |
| 01/22/1998 | WO1998002402A1 Method for minimizing hydrogen halide corrosion in a partial oxidation process |
| 01/22/1998 | WO1998002401A1 Partial oxidation of waste plastic material |
| 01/22/1998 | CA2260953A1 Partial oxidation of waste plastic material |
| 01/21/1998 | CN1037078C Production method of water-proof high saturation regenerated rubber material |
| 01/20/1998 | US5710199 Automotive additives and sealants containing waste powder prime |
| 01/20/1998 | US5710187 Aromatic polymers reacted with halogen containing compounds |
| 01/14/1998 | EP0626938B1 Process for recycling polymers having repeating ether linkages |
| 01/07/1998 | EP0816035A1 Method of reprocessing industrial rubber articles |
| 01/07/1998 | EP0814949A1 Method and apparatus for densifying a thermoplastic polymer |
| 01/07/1998 | EP0720632B1 Process for non-modifying recycling of styrene polymers |
| 01/07/1998 | CN1169719A Method of obtaining caprolactam by hydrolytic splitting of molten polycaprolactam |
| 01/06/1998 | US5705542 Waste liquor derived from chemical thermal pulping of particle boards and fibreboards containing bonding agents |
| 12/31/1997 | WO1997049737A1 Decomposing polymers using nor-hals compounds |
| 12/30/1997 | US5703134 Heating polyethylene terephthalic with dicarboxylic acid |
| 12/30/1997 | US5702516 Filtration of air |
| 12/29/1997 | EP0814143A2 Method and apparatus for converting a plastic waste into oil |
| 12/29/1997 | EP0814118A1 Process for the hydrolysis of synthetic materials, especially of polyurethanes |
| 12/29/1997 | EP0813567A1 Absorption process for rejection of reactor byproducts and recovery of monomers from waste gas streams in olefin polymerization processes |
| 12/29/1997 | EP0555254B1 Process for treating lacquer coagulates and their use |
| 12/24/1997 | WO1997048763A1 Automotive additives and sealants containing waste powder prime |
| 12/24/1997 | WO1997048761A1 Plastic recycling process and process for producing plastic materials |
| 12/24/1997 | WO1997048755A1 Water-in-oil emulsion spray drying process |
| 12/24/1997 | WO1997048750A1 Spray-drying oil recovery process |
| 12/24/1997 | WO1997048732A2 Spray-dried polymer compositions and methods |
| 12/24/1997 | CN1168663A A process for recycling amino-carboxylic acid waste materials into amido-carboxylic acids |
| 12/24/1997 | CA2258756A1 Water-in-oil emulsion spray drying process |
| 12/24/1997 | CA2258688A1 Spray-drying oil recovery process |
| 12/24/1997 | CA2258676A1 Plastic recycling process and process for producing plastic materials |
| 12/24/1997 | CA2258639A1 Automotive additives and sealants containing waste powder prime |
| 12/18/1997 | DE19625110A1 Kunststoff-Recyclingverfahren und Verfahren zur Herstellung von Kunststoffwerkstoffen Plastic recycling processes and methods for the production of plastic materials |
| 12/16/1997 | US5698603 Recycling polystyrene by dissolving it in styrene monomer, and polymerization in an aqueous suspension, then adding stabilizer and alkyldi/2-hydroxyethyl/amines |
| 12/16/1997 | US5698378 Alkaline aqueous solution of sodium and(or) potassium hydroxide |
| 12/16/1997 | US5698044 Removal of adhesive from polyester film with criticality in surfactant use |
| 12/11/1997 | WO1997046611A1 Method for obtaining polyols and polyol thus obtained. |
| 12/11/1997 | CA2257181A1 Method for obtaining polyols and polyol thus obtained. |
| 12/10/1997 | EP0811033A1 Method for separating polymeric materials from a plastic part recovered from a used car |
| 12/09/1997 | US5696173 Recycling waste by heating, mechanical energy to form antifoaming agent |
| 12/07/1997 | CA2207142A1 Process for the hydrolysis of plastics, particularly polyurethanes |
| 12/03/1997 | EP0810257A1 Process for treating crushed polyolefins and their use |
| 12/03/1997 | EP0621122B1 Method of recycling molded product of foam particles |
| 12/02/1997 | US5693681 Heating industrial and domestic waste recylates with a tetracarboxylic anhydrie and a sterically hindered hydroxyphenylalkylphosphonic acid ester to above the melting point or glass transition temperature |
| 12/02/1997 | US5693391 Plastic container made from a fusion blend of post consumer plastic and ethylene polymers |
| 12/02/1997 | US5693278 Regrinding scrap amorphous polyethylene terephthalate in solid form, blending with solid virgin polyethylene terephthalate, passing through a extruder, melting within extruder, subjecting to vacuum, extruding through a die |
| 11/26/1997 | EP0808339A1 Leaching contaminants from post-consumer polyester |
| 11/26/1997 | EP0712423A4 Process for reclaiming crosslinked acrylic scrap |
| 11/25/1997 | US5691389 Recycling of flexible foam |
| 11/25/1997 | US5691388 Aminolysis of polycyanurate with reactive amine for decomposition |
| 11/20/1997 | WO1997043056A1 Method for recovering volatile organic compounds from paint overspray systems using solvent-in-water emulsions |
| 11/20/1997 | WO1997043014A1 Degradation of biodegradable polyester amides with enzymes |
| 11/20/1997 | DE19619236A1 Abbau von biologisch abbaubaren Polyesteramiden mit Enzymen Degradation of biodegradable polyester amides with enzymes |
| 11/20/1997 | CA2255056A1 Method for recovering volatile organic compounds from paint overspray systems using solvent-in-water emulsions |
| 11/20/1997 | CA2254094A1 Degradation of biodegradable polyester amides with enzymes |
| 11/12/1997 | EP0805833A1 Recovery of polyamide using a solution process |
| 11/12/1997 | EP0805742A1 Devices for the relaxation of bulk articles containing drawn thermoplastics and for the selective softening of thermoplastics in a mixture flow for recycling |
| 11/12/1997 | CN1164542A Method for preparation of hydrocarbon oil by using waste and old polyolefins |
| 11/11/1997 | US5685153 Efficient utilization of chlorine and/or moisture-containing fuels and wastes |
| 11/05/1997 | EP0707613B1 Spray painting process with aqueous lacquers |
| 11/05/1997 | CN1163904A Process of technique transformation for producing reclaimed rubber by dynamic desulfating |
| 11/05/1997 | CN1163903A Plastic molded product and method for disposal of the same |
| 11/04/1997 | US5684054 Process for recovering secondary polyols from polyadducts mixed with nonglycolysable materials |
| 11/04/1997 | US5684053 Process for reclaiming paint and a paint formulation |
| 10/28/1997 | US5681908 Absorption process for rejection of reactor byproducts and recovery of monomers from waste gas streams in olefin polymerization processes |
| 10/28/1997 | US5681194 Comprising coarse aggregate materials, fluid flowing binder and waste glass fibers; compressive strength, fireproofing, corrosion and heat resistance; containers, lamp poles, slabs, construction materials |
| 10/23/1997 | WO1997039043A1 Cured unsaturated polyester-polyurethane highly filled resin materials and process for preparing them |
| 10/22/1997 | EP0801662A1 Process for recycling epoxy resin containing products |
| 10/15/1997 | EP0801168A1 Method and apparatus for recycling laminated film |
| 10/15/1997 | CN1162325A Method for increasing molecular weight of polycondensates |
| 10/14/1997 | US5677354 Subjecting to solvent to swell rubber, forcing through restriction means having openings, adding devulcanizing agents to swollen rubber |
| 10/09/1997 | CA2187604A1 Method and apparatus for recycling laminated film |
| 10/07/1997 | US5674914 Contacting waste with solvent capable of dissolving polyvinyl chloride at room temperature, evaporating solvent, cutting slurry into small pieces |
| 10/07/1997 | US5674740 Enzymatic decomposition of polycarbonate resin |
| 10/07/1997 | CA2095150C Treatment of absorbent sanitary paper products |
| 10/01/1997 | EP0798336A2 Process for depolymerizing polyesters |
| 10/01/1997 | EP0798325A1 Polyhydroxy compounds suitable for polyurethane syntheses |
| 10/01/1997 | EP0797617A1 Method for compacting expanded polystyrene, and compacted mass thus obtained |
| 10/01/1997 | EP0797571A1 Method of obtaining caprolactam by hydrolytic splitting of molten polycaprolactam |
| 10/01/1997 | EP0797570A1 Obtaining caprolactam by cleavage of molten polycaprolactam |
| 10/01/1997 | EP0797496A1 Method for processing composite materials to enable recycling thereof |
| 10/01/1997 | CN1161051A Structural material, molding made therefrom, and method of degradation of these |
| 10/01/1997 | CN1160728A Recovery method of waste foamed polystyrene plastics |
| 09/23/1997 | US5669966 Waste powders from grinding brake and clutch linings, hook-shaped cellulose or aramid fibers, paving material |
| 09/17/1997 | EP0652906B1 Method of modifying polymers |
| 09/16/1997 | US5668186 Oxygen and water-free solvent, tin or titanium compound catalysts, macrocyclic polymers |
| 09/16/1997 | US5667746 Suspending particles of thermoplastic polymer with a fluid flow in a chamber, heating to form pieces that are too dense to remain in suspension |