Patents for C08J 11 - Recovery or working-up of waste materials (9,055)
11/1992
11/04/1992CN1065871A Process for regenerating waste polyethylene film to obtain polyethylene powder
11/03/1992US5160628 Method of making a filler from automotive paint sludge, filler, and sealant containing a filler
10/1992
10/28/1992EP0510301A1 Process for recycling of polyurethane from solvent-containing waste pastes from the production of polyurethanes
10/28/1992EP0510293A1 Process for recycling of polyvinyl chloride from solvent containing PVC waste paste
10/28/1992CN1065670A Emulsive water-proof coatings making method from waste resin
10/27/1992US5158984 Method of recovering polyvinyl chloride from solvent-containing waste pvc pastes
10/25/1992CA2066485A1 Process for the treatment of halogenated and non-halogenated polymers
10/24/1992CA2065966A1 Disposable recyclable plastic articles and moldable synthetic resin blends for making the same
10/21/1992EP0509369A2 Process for treating stabilized ABS polymers with recuperation of unpolymerized monomer
10/21/1992EP0509358A1 Process for removal of inorganic pigments from thermoplastic polycondensates
10/21/1992CN1065472A Preparation method for modified and regenerated powder of polyamide6
10/21/1992CN1065467A Preparation of reclaimed plastics
10/20/1992US5157176 Recycling process, apparatus and product produced by such process for producing a rubber extender/plasticizing agent from used automobile rubber tires
10/13/1992US5155146 Thermoplastic composite and method and apparatus of making the same
10/13/1992US5154361 Comminution of plastic scrap
10/07/1992EP0507426A1 Process for dissolving polyurethane foams or removing them from substrates
10/02/1992CA2063362A1 Process for dissolving polyurethane foams or removing them from substrates
10/01/1992DE4110136A1 Lacquer system useful in coating lacquered vehicles - comprises film-building linear polymer and adhesion-reducing plasticiser
09/1992
09/30/1992EP0506648A1 Process for the production of masses to be shaped or pressed
09/30/1992EP0506614A2 Process for stabilising recycled plastic mixtures
09/29/1992US5151452 Sizing, refluxing, washing with water and filtration
09/23/1992EP0505128A2 Process for the preparation of foamed acrylic polymer compositions
09/22/1992US5149774 Method for recycling discolored polyolefins
09/17/1992WO1992015640A1 Extrusion method and apparatus for recycling waste plastics and construction materials therefrom
09/15/1992US5147894 Melt blend; extruded foam, pellets, beads
09/10/1992DE4107684A1 Processing wash residues, esp. from PVC plastisol prodn. - by distn. to recover solvent and decompose blowing agent, followed by plastisication with cooling and stirring to give reusable powder
09/09/1992EP0502618A1 Polymer cracking
09/03/1992DE4106510A1 Recycling process for PVC sealing strip - comprises reducing strip to chips, blowing them plus hot air and quartz sand into container, stirring, blowing out polluted sand and screening residue
09/02/1992EP0500837A1 Process for recovering metals and coatings from composite materials
08/1992
08/27/1992DE4112172A1 Fibre reinforced thermoplastic material - has same compsn. for matrix and reinforcing fibres to allow easy recycling
08/26/1992CN2113871U Quick-reclaiming device for waste rubber
08/26/1992CN1063883A Method for preparation of coating from recovered foam polystyrene
08/23/1992WO1992014797A1 Improved methods for processing battery waste and other lead-contaminated materials
08/23/1992CA2104601A1 Methods for processing battery waste and other lead-contaminated materials
08/20/1992WO1992013696A1 Process for producing thermoplastically workable plastics mixtures and their use for making mouldings
08/20/1992DE4203302A1 Comminuting of thermoplastic fibre materials for recycling - by using thermoplastic properties e.g. heat fusing and cutting or cutting with hot blades, to form more compact raw material for melting down
08/20/1992DE4123719A1 Recycling moulded water-soluble resin - by spraying with hot water, centrifuging and drying soln. feeding product to extruder, pelletising product and reusing with fresh resin
08/20/1992DE4104435A1 Prodn. of moulded articles from waste rubber - by using granulated waste at specified temp. and pressure without modification for molecular wt.
08/19/1992CN1063694A Regenerated plastics and preparing method thereof
08/13/1992DE4102999A1 Verfahren zur herstellung von thermoplastisch verarbeitbaren kunststoffgemischen und ihre verwendung zur herstellung von formkoerpern Process for the preparation of thermoplastically processable plastic mixtures and their use for the preparation of formkoerpern
08/06/1992WO1992013032A1 Base dispersible polymer composition and dispersible articles
08/04/1992US5136117 Monomeric recovery from polymeric materials
07/1992
07/30/1992DE4102238A1 Clarifying aq. polymeric dispersions - by electrolytically treating so polymeric particles accumulate on electrode before discharge
07/30/1992DE4102237A1 Thermoplastic elastomers mfr. - by mixing classified scrap thermoplastic with natural or synthetic rubber and vulcanising to produce an inter-penetrating network
07/30/1992DE4102235A1 Thermoplastic elastomer mouldings material mfr. - by mixing rubber at 80 rpm with polyolefin obtd. by flotation from domestic waste, and vulcanising at 180-200 deg. C
07/28/1992US5133843 Platinum Group Metals, Aqua Regia
07/23/1992DE4101578A1 Recovering polyethylene@ from composites, mixts. with metals, etc. - by treating with mixt. of solvent and precipitating agent at elevated temp.
07/22/1992EP0495153A1 Process for recovering halogenated hydrocarbons and the like from plastic foams and the like
07/15/1992EP0494290A1 Method for obtaining an elastomer product with high petroleum and its by-products absorption power.
07/14/1992CA1305283C Composite material
07/08/1992EP0493732A1 Process for processing of old rubber
07/08/1992CN1062517A Comprehensive treatment technology for waste sizing liquid
07/07/1992US5127958 Removal of metallic coatings from polymeric substrates
07/07/1992CA1304857C Process for reclaiming polyethylene terephthalate scrap contaminated with chlorine-containing polymer
07/01/1992EP0492460A1 Pallet, in particular for making concrete products
06/1992
06/25/1992WO1992010535A1 Method of regeneration of a hydrocarbon based liquid that contains titanium and/or chlorine compounds
06/25/1992WO1992004423A3 Monomeric recovery from polymeric materials
06/22/1992WO1992011298A1 Photodegradable plastic composition
06/22/1992CA2098911A1 Photodegradable plastic composition
06/10/1992EP0489103A1 A method for removing, condensing and collecting propellants from foam materials and other materials for which the method is suitable in an environmentally friendly manner.
06/09/1992US5120768 Process for separating polyethylene terephthalate from polyvinyl chloride
06/06/1992WO1992010540A1 A process for activating vulcanized waste rubber particles and a process for producing a rubber-like article using said activated waste rubber particles
06/05/1992CA2056776A1 Regenerated, high molecular weight, thermoplastic resins and process for regenerating thermoplastic resins
05/1992
05/29/1992WO1992008610A1 Method of manufacturing composite sheet materials
05/27/1992WO1992009413A1 Process for recycling adhesive-coated plastics film
05/27/1992DE4037523A1 Separate recovery of metal and coating polymer from composite - by dissolution of polymer with alkyl benzene solvent for non-polar and (methylated) THF and/or (methylate) dioxan for polar layers
05/27/1992CN1061420A Process for recovery and regeneration of waste plastics
05/27/1992CA2074181A1 Process for recycling adhesive-coated plastics film
05/21/1992DE4037018A1 Materialbahn und verfahren zur herstellung derselben Material web and method of making same
05/21/1992DE4036781A1 Processing polyester sheet moulding cpd. waste - by hardening with exposure to electromagnetic waves and dumping or comminuting and using as filler
05/20/1992CN1061228A Preparation method of regenerated foamable polystyrene
05/19/1992US5114648 Heavy aromatic distillate coating
05/19/1992CA1301200C Isoprene recovery in the butyl rubber process
05/13/1992EP0484963A2 Recovery of methyl esters of aromatic acids and glycols from thermoplastic polyester scrap
05/13/1992CN2104219U High-temp. continuous devulcanizer for energy-saving reclaimed rubber
05/10/1992CA2055066A1 Recovery of methyl esters of aromatic acids and glycols from thermoplastic polyester scrap
05/07/1992DE4034596A1 Verfahren zur aufarbeitung von lackkoagulaten und deren verwendung Process for working up lacquer coagulates and their use
05/06/1992EP0483665A2 Processing of thermally stressed waste polyester
05/06/1992CN1060853A Extracting coating resin from waste polyester foam
05/05/1992US5110972 Process for recycling silicone scrap and products relating thereto
04/1992
04/30/1992WO1992007995A1 Treatment of absorbent sanitary paper products
04/30/1992WO1992007025A1 Decontamination of polystyrene
04/30/1992DE4033604A1 Recovering sol. plastics from waste contg. plastics materials - by extracting into solvent and injecting soln. into non-solvent medium at temp. above solvent b.pt.
04/23/1992DE4032350A1 Working up hydrophobic solvents from suspension polymerisation - by ultrafiltration, pref. using membranes with specified cut=off to remove dispersants and give pure solvent as permeate
04/22/1992EP0481174A2 Recycling of solvents and coagulates and sludges of colouring agents and lacquers
04/16/1992WO1992006130A1 Process for recycling plastics
04/16/1992DE4138088A1 Environment-friendly spray painting - where spray compsn. contains ultrafiltration throughput setting component and recirculated water conductivity is monitored
04/16/1992DE4132878A1 Thermoplastically recyclable polyurethane or polyurea RIM materials - having predominantly linear structure derived from isocyanate, poly:ol and chain extender
04/15/1992CN2101673U Rotary desulfurization device for waste rubber
04/14/1992US5104932 Bituminous compositions containing residues of hydrolyzed or alcoholized polymers
04/02/1992WO1992005215A1 Process for recovering metals and coatings from composite materials
04/02/1992DE4132282A1 Recycling polyurethane (foam) scrap - by swelling scrap and processing to give flowable gel particulate, adjusting hydroxy number of prod. and reacting with e.g. di:isocyanate
04/01/1992CN1016072B Process for cooling hot pyrolysis gas
03/1992
03/31/1992US5100603 Granulation, adding sugar, heating, molding
03/26/1992DE4040905A1 Supporting board, esp. for mfg. concrete prods. - made from thermoplastic scrap, by plastification and extrusion or moulding
03/25/1992EP0476475A1 Cleaning poly(ester)carbonate scrap
03/25/1992EP0476430A1 Method and device for the disposal of oversprays of radiation-curable lacquers in paint spray booths
03/25/1992EP0476416A2 Method for the masking of plastics
03/24/1992US5098025 Shredding shingles, slurrying
03/19/1992WO1992004423A2 Monomeric recovery from polymeric materials
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