Patents for C08J 11 - Recovery or working-up of waste materials (9,055)
08/1998
08/13/1998DE19707301A1 Recovery of micro-waxes, paraffin(s) and oils from waste plastic
08/13/1998CA2279541A1 Apparatus for and process of hydrolyzing and recycling polyisocyanate derivatives
08/12/1998EP0857187A1 Rubber devulcanization process
08/06/1998WO1998033848A1 Recycling of fine particles of coating powder
08/05/1998EP0856537A2 Solid state polymerisation of PET
08/04/1998US5789477 Composite building materials from recyclable waste
07/1998
07/30/1998DE19702540A1 Production of branched-chain micro-wax from polypropylene
07/29/1998EP0749457B1 Process for recovering raw materials from magnetic recording carriers
07/29/1998CN1188776A Decomposition method and device for discarded material
07/23/1998WO1998031726A1 Novel process for decomposing siloxane bond-containing compound
07/22/1998EP0854165A1 Method of and apparatus for decomposing waste
07/22/1998EP0854130A1 Recovery of monomers from polyethylene naphthalate
07/22/1998EP0576535B1 Extrusion method for recycling waste plastics.
07/21/1998US5783637 Blow molding hollow parisons containing fused blends of previously used high and low density polyethylenes and new ethylene-alpha olefin copolymers yields stress and crack resistant bottles
07/21/1998US5783609 Process for recovering organoalkoxysilane from polyorganosiloxane
07/16/1998DE19700416A1 Cleaning of plastic material esp. fuel tanks for recycling
07/15/1998EP0703881B1 Use of waste enamel, coagulated enamel and solid materials tarnished with waste enamel
07/14/1998US5780520 Leaching contaminants from post-consumer for reuse in food-contact applications
07/07/1998US5776989 Recycling cured unsaturated polyester rubber wastes
07/01/1998EP0850982A2 Process for recovering a solid microporous polyester polymer from a recycle stream and products made thereby
07/01/1998EP0850267A1 Method and apparatus for separating polymer from a plastic, and the resulting separated polymer
07/01/1998EP0816035A4 Method of reprocessing industrial rubber articles
07/01/1998EP0677086B1 Treatment of rubber to form bituminous compositions
07/01/1998CN1186461A Method of reprocessing industrial rubber articles
06/1998
06/30/1998US5772777 Upgrading material; exposure to ozone; reuse of fibers
06/30/1998CA2225922A1 Process for recovering a solid microporous polyester polymer from a recycle stream and products made thereby
06/25/1998WO1998027175A1 Method of using water soluble foamed starch for reclaiming paint overspray particles
06/24/1998EP0849312A1 Process for recovering polyolefins from polymer compositions or from waste materials
06/24/1998EP0849298A1 Cosolvent-free aqueous anionic polyurethane dispersions, a method for their preparation and their use
06/24/1998CN2284788Y Residue dropping tank for apparatus of cracked waste plastie continuous producing
06/23/1998US5770654 Polyamide compositions toughened with waste plasticized polyvinylbutyral
06/23/1998US5770633 Treating crosslinked rubber with methanesulfonic acid, chlorosulfonic acid, trifluoromethanesulfonic acid or fuming sulfuric acid to recover fluororubber for use in another cycle of vulcanization
06/23/1998US5770632 Recycling a vulcanized rubber with rubber delinking accelerators mixture at a low or room temperature to form a curable elastomers
06/23/1998US5769959 Process for removing insoluable N-vinyl amide polymer from equipment
06/23/1998US5769333 Method of and apparatus for recovering foaming gas of the foamed material
06/20/1998CA2225229A1 Solvent-free, aqueous, anionic polyurethane dispersions and their use as peelable coatings
06/18/1998WO1998025764A1 Novel degradable polymers
06/18/1998DE19651571A1 Recycling process treating wastes, plastic mixtures and plastic composites
06/18/1998CA2274557A1 Novel degradable polymers
06/17/1998EP0847326A1 Continuous process for recovering raw materials from coated foils, device for carrying out this process and foil materials recovered thereby
06/17/1998CN1184825A Tech. for comprehensive utilization of waste rubber, waste plastics and waste foamed plastic
06/16/1998US5767230 Process for removing volatiles from post-consumer recycled polyolefin chips
06/11/1998WO1998024608A1 Method and apparatus for continuous devulcanization of rubber
06/10/1998EP0759962B1 Device for depolymerising old and waste plastics
06/09/1998US5763692 Process for the preparation of recyclate polyols having a low amine content
06/09/1998US5762700 Catalytic process for producing free radicals on crumb rubber
06/04/1998WO1998023826A1 Roof shingles and a method of making the same
06/04/1998WO1998023672A1 Chemical densification and reclamation of polystyrene
06/04/1998DE19648235A1 Window frame
06/03/1998CN2283064Y Direct-heating energy-saving dynamic digester
06/03/1998CN1038594C Dry catalytic regeneration process of waste perdurens
05/1998
05/28/1998WO1998022277A1 Magnetostriction-based ultrasound in rubber devulcanization and related processes
05/28/1998DE19749169A1 Treatment of latex sludge
05/27/1998EP0844274A1 Thermoplastic polyurethanes and process for their preparation
05/27/1998EP0814949A4 Method and apparatus for densifying a thermoplastic polymer
05/27/1998CN1182663A Method for recoverying and regenerating waste foam plastics
05/21/1998CA2219846A1 Thermoplastic polyurethanes and their preparation
05/20/1998EP0842239A1 Method for monomer recovery
05/20/1998EP0841900A1 Method of detecting lung disease
05/20/1998CN1182443A Absorption process for rejection of reactor byproducts and recovery of monomers from waste gas streams in olefin polymerization processes
05/14/1998DE19646834A1 Recycling process for HDPE fuel storage containers
05/13/1998EP0723495B1 Device and process for releasing propellant from foamed materials
05/12/1998US5750196 Cutting toy base from tire sidewall, cleaning, soaking in conditioning solution
05/06/1998EP0839621A2 Use of foils of recycling material for preparing adhesive taps
05/06/1998CN1180689A Method for preparation of recycled polyols and method for manufacturing polyurethane foams therefrom
05/05/1998US5747624 Process for removing silicone coatings and sealants and composition therefore
04/1998
04/30/1998DE19743545A1 Moulding of composite plate in recycled carbon fibre=reinforced prepreg offcuts
04/29/1998EP0838492A2 Process for the preparation of recyclate polyols having a low amine content
04/29/1998EP0837912A1 Method for processing a substrate
04/28/1998US5744503 Recycling polyester and recovering glycols
04/28/1998CA2214180A1 Process for the preparation of recyclate polyols having a low amine content
04/23/1998WO1998016378A1 Recyclable printable media
04/23/1998DE19640115A1 Structural components made from reinforced recycled plastics
04/22/1998EP0837093A2 Process for the preparation of viscoplastic polyurethane integral foams showing improved tear strength, elongation at breack and tensile strength
04/22/1998CN1179787A Leaching contaminants from post-consumer polyester for reusing to contact food
04/22/1998CN1179434A Apparatus for recovering unreacted monomers in vinyl chloride polymerization apparatus and recovery process
04/18/1998CA2216777A1 Production of tough polyurethane integral foams having improved tear propagation resistance, elongation at break and tensile strength
04/15/1998EP0835901A2 A method for preparation of recycled polyols and a method for manufacturing polyurethane foams
04/15/1998CN1179126A Devices for relaxation of bulk articles containing drawn thermoplastics and for the selective softening of thermoplastics in a mixture flow for recycling
04/14/1998US5739270 Method and apparatus for separating polymer from a plastic, and the resulting separated polymer
04/08/1998CN1178487A Method and apparatus for disposal of materials such as waste
04/08/1998CA2217414A1 A method for preparation of recycled polyols and a method for manufacturing polyurethane foams with improved thermal insulation property
04/07/1998US5736594 For well bores
04/01/1998EP0832154A1 Process for recycling hardened polysulphide and/or polymercaptan adhesives and sealants
03/1998
03/31/1998US5733942 Phenolic resin forming material and method of manufacturing same
03/26/1998WO1998012249A1 Methods of recycling and compositions used therein
03/26/1998DE19740231A1 Recycling crosslinked and/or foamed polyolefin
03/26/1998CA2265510A1 Methods of recycling and compositions used therein
03/25/1998EP0831061A1 Recovery of alcohol from silicone resin manufacturing waste water
03/25/1998CN1176971A Method and apparatus for converting plastic waste into oil
03/25/1998CN1037846C Tech. for producing microcrystalline cellulose with sulfated waste cotton velvet
03/24/1998US5731483 Recycling of plastics in a steam cracker
03/24/1998US5731358 Process for the manufacture of high grade devulcanized rubbers from scrap and reject rubber items
03/17/1998US5728847 Method for recovering lactide from high-molecular weight polylactic acid
03/12/1998WO1998009785A1 Unitary solid moulding
03/12/1998DE19703376C1 Recovery of powder lacquer residue, especially fines by recycling to manufacture without blocking equipment
03/10/1998US5726277 Adhesive compositions from phthalate polymers and the preparation thereof
03/05/1998WO1998008896A1 Composite building materials from recyclable waste
03/04/1998CN1174873A Method for making petroleum products from waste plastics
02/1998
02/26/1998WO1998007777A1 Use of cashew nut husk oil in rubber and duroplastics recycling
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