Patents for C08J 11 - Recovery or working-up of waste materials (9,055)
10/1996
10/30/1996EP0739930A2 Solvent for reducing volume and for recycling of polystyrene foam
10/30/1996EP0739926A1 Method of recovering organoalkoxysilane from polyorganosiloxane
10/30/1996EP0739701A2 Process for recycling resin covered with paint film
10/29/1996US5569801 Polymer conversion process
10/29/1996CA2106797C Semi-continuous depolymerization of nylon 6 polymer
10/24/1996DE19514744A1 Recycling discarded polyurethane foam footwear articles having cloth or leather attached
10/23/1996EP0738295A1 Reduction in polystyrene with activated agent
10/23/1996CN1133858A Catalyst for catalytic degradation of waste polystyrene plastics into styrene
10/23/1996CN1133773A Process for regenerating used rubber
10/17/1996DE4143458C2 Recycling polyurethane (foam) scrap
10/16/1996EP0737225A1 Polyamide compositions toughened with waste plasticized polyvinylbutyral
10/16/1996CN1133314A Direct desulfurizing regeneration method and device for waste and used rubber liftover bits and pieces material
10/16/1996CN1133313A Production method for low temp. liquid regenerated rubber
10/15/1996US5565590 Heating mixture of oligomeric or polymeric waste material, carboxylic acid or ester, water
10/15/1996US5565269 Production of fibers containing mainly polypropylene
10/15/1996US5565164 Method and apparatus for densifying a thermoplastic polymer
10/15/1996US5565158 Agglomeration, spinning
10/10/1996DE19612432A1 Rapid removal of insol. N-vinyl-amide polymer without dismantling plant
10/10/1996DE19512744A1 Dispersion adhesive with no or low solvent content
10/09/1996EP0736564A2 Process for recycling plastics
10/09/1996CN1132762A Reproduction of foamed polyurethane
10/02/1996EP0734411A1 Method of decomposing polycyanurate-containing materials
10/02/1996DE19521526C1 Waste disposal of aq suspensions contg. adhesive materials
10/02/1996DE19511205A1 Recovering polyethylene@ from drinks cartons
10/01/1996US5560860 Water-based paint spray booth flood sheets and methods of reclaiming paint using the same
10/01/1996CA2035875C Resid hydrotreating with resins
09/1996
09/26/1996WO1996029193A1 Method and apparatus for densifying a thermoplastic polymer
09/26/1996DE19510959A1 Removing coatings from coated film, esp. polyester film
09/26/1996DE19510768A1 Recovery of high purity carbon monoxide for polycarbonate and isocyanate prodn.
09/25/1996EP0733669A2 Method for utilizing scrap plastic whereby polyurethanes have been co-mingled with other plastics
09/25/1996CN1131961A Water-dilutable stone impact protection paint and compensation paint, their use and processes for their production
09/25/1996CN1131686A Polyamide regenerated modified resin and its preparation method
09/24/1996US5559159 Ester interchange and depolymerization for polyester recycle
09/24/1996US5558745 Treatment of absorbent sanitary paper products
09/24/1996CA2171075A1 Recycling of plastic waste containing a mixture of polyurethanes with other plastics
09/19/1996WO1996028514A1 Reclaimed thermoplastic resin compositions and process for the production thereof
09/19/1996WO1996028291A1 Method of reprocessing industrial rubber articles
09/19/1996DE19508588A1 Dissolution of plastics, e.g. polystyrene, for recycling
09/19/1996CA2215334A1 Method for recycling of rubber products
09/18/1996CN1131083A Regenerated polytetrafluoroethylene products and producing method thereof
09/18/1996CN1032819C Regeneration method of waste sulphurated rubber by chemical plasticizing machinery
09/18/1996CN1032794C Modelling foam products made from waste polystyrene foam
09/17/1996US5556889 Preparation of recyclate polyols
09/12/1996WO1996027634A1 Absorption process for rejection of reactor byproducts and recovery of monomers from waste gas streams in olefin polymerization processes
09/12/1996DE19507895A1 Method of recovering binding agents from paint and paint sludges
09/11/1996EP0719301A4 Recycling of carpet scrap
09/11/1996EP0593589B1 Method for preparation of composite materials
09/11/1996CN1130652A Process for treatment of waste plastics
09/10/1996US5554657 Pretreating in chemical wash to dissolve impurities and polyolefins before contacting with selective solvent; separating, precipitating
09/05/1996DE19607904A1 New recyclable crosslinked rubber polymers
09/04/1996EP0729982A2 Process for the purification of non-reacted propylene in the production of polypropylene
09/03/1996US5552261 Recycling the recording layer of flexographic printing plates
09/03/1996US5552198 Plastic container made from post consumer plastic film
08/1996
08/29/1996WO1996026236A1 Method for separating polymeric materials from a plastic part recovered from a used car
08/29/1996DE4438447A1 Recovering polyarylene:sulphide from materials
08/28/1996EP0607324B1 Use of non-woven, needled fibrous mat material
08/22/1996DE19505776A1 Recovering and separating plastics prods. and foam waste mixts. for reuse
08/22/1996DE19505337A1 Rapid polymeric decomposition of polyamide-polyurethane fibre materials, used as moulding material
08/21/1996EP0726809A1 Hot water soluble towels, sponges and gauzes
08/15/1996WO1996024630A1 Leaching contaminants from post-consumer polyester
08/15/1996CA2212182A1 Leaching contaminants from post-consumer polyester for reuse in food-contact applications
08/14/1996EP0726325A2 Enzymatic decomposition of polycarbonate resin
08/14/1996CN1129022A Carpet backing derived from block copolymer compositions
08/08/1996DE19503055A1 Reprocessing pulverised polyester waste without yellowing
08/08/1996DE19502352A1 Vorrichtungen zur Durchführung der Relaxation für verstreckte Thermoplaste enthaltende Schüttgüter und zur selektiven Erweichung von Thermoplasten im Gemengestrom zu Recyclingzwecken Devices for carrying out the relaxation of stretched thermoplastics containing solids and for the selective softening of thermoplastics in the mixed stream for recycling
08/07/1996CN1128276A Modified polyester prepared by using waste polyester material and polyurethane paint prepared by using said polyester
08/06/1996US5542982 Treating crushed particles of polyolefin resin substrate in aqueous alkali solution, and contacting substrates with each other
08/01/1996WO1996023025A1 Recovery of polyamide using a solution process
08/01/1996WO1996022867A1 Devices for the relaxation of bulk articles containing drawn thermoplastics and for the selective softening of thermoplastics in a mixture flow for recycling
08/01/1996DE19502819A1 Tough polyamide 6 moulding compsn. prodn. from entirely recycled materials
08/01/1996DE19502393A1 Depolymerisation of addn.-cured silicone rubber vulcanisate at low cost
08/01/1996CA2211635A1 Device to carry out the relaxation for bulk materials containing drawn thermoplastic materials and for the selective softening of thermoplastic materials in a mixture flow for thepurpose of recycling
07/1996
07/31/1996EP0723564A1 Recycling of flexible foam
07/31/1996EP0723495A1 Device and process for releasing propellant from foamed materials
07/31/1996CN1127693A Method for preparing super fine rubber powder from used rubber
07/31/1996CN1127671A Process and apparatus for the recovery of water-immiscible solvents
07/24/1996EP0722480A1 Liquefaction and partial oxidation of plastic materials
07/24/1996CN2231683Y Apparatus for melting and gasifying waste polyolefin plastics
07/24/1996CN1127519A Process for recycling plastics in a steam cracker
07/24/1996CN1127271A Improvement in and relating to the receiving of naural and synthetic rubber
07/23/1996US5539004 Hydrolysis of polymer resin scraps, melting a thermoplastic resin and hydrolysis of thermosetting resins then vaporization of water
07/18/1996WO1996016218A3 Binder composition useful for producing non-woven fabrics and process for producing moulded parts made of non-woven fabrics
07/17/1996CN1032304C Polymer cracking
07/16/1996US5536831 Obtaining caprolactam by cleavage of molten polycaprolactam
07/10/1996EP0720632A1 Process for non-modifying recycling of styrene polymers
07/10/1996CN1126235A Waste processing
07/09/1996US5534556 Delamination of fabrics held by polyurethane adhesives by reaction with alcohol to form alcoholisates and separation
07/09/1996US5534317 Blend of virgin high density polyethylene copolymer and high density and linear low density polyethylene homopolymer preblend; stress crack resisistance, bottles
07/09/1996US5534040 Partial oxidation of partially liquified plastic materials
07/04/1996WO1996020244A1 Method for decomposing polymer containing urethane linkage and/or urea linkage
07/04/1996CA2184088A1 Method for decomposing polymer containing urethane linkage and/or urea linkage
07/03/1996EP0719302A1 Recycling of varnish coagulate in road construction
07/03/1996EP0719301A1 Recycling of carpet scrap
06/1996
06/26/1996EP0718349A1 Process for preparing recycled polyols
06/23/1996CA2165900A1 Preparation of recyclate polyols
06/20/1996WO1996018613A1 Method of obtaining caprolactam by hydrolytic splitting of molten polycaprolactam
06/20/1996WO1996018612A1 Obtaining caprolactam by cleavage of molten polycaprolactam
06/20/1996WO1996018484A1 Method for processing composite materials to enable recycling thereof
06/20/1996DE4444247A1 Recovering polyarylene:sulphide from materials
06/19/1996EP0717131A1 Recycling process of dyed cellulosic waste products
1 ... 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 ... 91