| Patents for C08J 11 - Recovery or working-up of waste materials (9,055) |
|---|
| 04/27/1993 | US5205952 Methods for controlling airborne dissemination of lead and lead-contaminated fines during the storage and processing of lead-contaminated materials |
| 04/24/1993 | WO1993008229A1 Process for transforming in particular polyethylene composite foils into re-usable raw materials |
| 04/24/1993 | CA2098603A1 Process for transforming in particular polyethylene composite foils into re-usable raw materials |
| 04/22/1993 | DE4134714A1 Reprocessing unsatd. polyester resin-coated felt and jute prods. - by crushing, mixing with unsatd. polyester resin and opt. sytrene] pelletising and hot press-moulding |
| 04/21/1993 | EP0537579A1 Method for decomposing polymer having urethane and/or urea bonds |
| 04/21/1993 | EP0537567A2 Washing of polycarbonate and polyestercarbonate originated in waste |
| 04/21/1993 | CN1071116A Produciton method of waterproof high-saturation regenerated rubber material |
| 04/15/1993 | WO1993007205A1 Method of manufacturing plastic composite panels |
| 04/15/1993 | WO1993007202A1 Use of non-woven, needled fibrous mat material |
| 04/15/1993 | DE4133699A1 Processing cellulose@ and water-swellable polyacrylate-based polymer mixt. - by wetting mixt. with soln. of inorganic salt before further treatment |
| 04/14/1993 | EP0536222A1 Method for treating cross-linked eva-based polymers, and uses thereof. |
| 04/13/1993 | US5201921 Mixing dyes into plastics to aid sorting by type of radiation emitted, recycling |
| 04/07/1993 | EP0535419A1 Process for separating plastics by flotation |
| 04/06/1993 | US5199652 Dividing into particles; soaking in plasticizer; separation |
| 03/31/1993 | CN2128940Y Power saving type speed devulcanizer for reclaimed rubber |
| 03/31/1993 | CN1070353A Ultrafiltration process for recovery of polymeric latices from whitewater |
| 03/30/1993 | US5198471 Polymer recycling by selective dissolution |
| 03/24/1993 | EP0533304A1 Polyester-polyolefin blends containing a functionalized elastomer |
| 03/24/1993 | EP0532893A2 Depolymerization of polymers and their use in thermoset compositions and composites |
| 03/21/1993 | CA2074576A1 Method of making a filler from automotive paint sludge, filler, and sealant containing a filler |
| 03/18/1993 | WO1993005106A1 Process for producing dispersed liquids containing hydroxy and/or amino-functional compounds and their use |
| 03/18/1993 | DE4130923A1 Recycle treatment of wash water contg. acrylate and/or protein - by addn. of hydroxide in alkaline medium, esp. for water from flexoprinting |
| 03/18/1993 | CA2116434A1 Process for producing dispersed liquids containing hydroxy and/or amino-functional compounds and their use |
| 03/16/1993 | US5194461 Chopped corn, oat and soybean stalks used a filler for composite molding material |
| 03/15/1993 | CA2078098A1 Process for the separation of plastics by flotation |
| 03/11/1993 | DE4139226A1 Faserverbundmaterial auf der basis von naturfaservliesen sowie verfahren zu dessen kontinuierlicher herstellung und weiterverarbeitung zu pressformteilen Fiber composite material on the basis of natural fiber webs and method for its manufacture and continuous to be pressed molded parts further processing |
| 03/10/1993 | EP0531008A1 Compositions derived from recycled polycarbonate and polyester |
| 03/09/1993 | US5192809 Process for reclaiming a thermoset polymer |
| 03/04/1993 | WO1993004226A1 Composite fibre material based on natural fibre webs and process for its continuous production and further processing into extruded mouldings |
| 03/04/1993 | WO1993004116A1 Process for treating materials adhesively secured together by an adhesive agent |
| 03/04/1993 | WO1993003976A1 Method for the production of new packaging materials or insulating materials for construction purposes as a substitute for polystyrene chips or spheres and polyurethane-foam products, plus expanded material made by this method |
| 03/04/1993 | WO1993003852A1 Method of separating polyethylene (pe) and polypropylene (pp) |
| 03/04/1993 | WO1993003848A1 Method of separating a mixture of plastics comprising at least three components using electrostatic techniques |
| 03/04/1993 | DE4128588A1 Verfahren zur herstellung disperser fluessigkeiten, die hydroxy- und/oder aminofunktionelle verbindungen enthalten sowie deren verwendung A process for preparing disperse liquids containing amino-functional compounds of the hydroxy- and / or and their use |
| 03/04/1993 | CA2116217A1 Process for treating materials adhesively secured together by an adhesive agent |
| 03/03/1993 | EP0530169A1 Process for the conversion of polymers |
| 03/03/1993 | EP0529470A1 Process for the recovery of caprolactam by pyrolysis of poylamide 6 |
| 03/03/1993 | CN1069498A Regenerating method and apparatus by desulfurizing scraps of waste rubber |
| 02/25/1993 | DE4127705A1 Verfahren zum behandeln von miteinander mittels haftvermittler verbundene materialien Method for the treatment of interconnected by means of adhesion promoter materials |
| 02/24/1993 | EP0528456A1 Recycling of duroplastic polyurethane foam articles |
| 02/18/1993 | WO1993003089A1 Processing and subsequent use of paint sludges |
| 02/18/1993 | DE4127158A1 Moulded sheet prodn. from waste polyester fibre and other plastics - by chopping, mixing with isocyanate adhesive and water or poly:ol and press-moulding at 150-200 deg C |
| 02/18/1993 | DE4126756A1 Verfahren zum herstellen neuer verpackungsstoffe oder isolierbaustoffe als ersatz von polystyrol-chips bzw. polystyrol-kuegelchen oder polyurethanschaumprodukte sowie expandiertes material Method for the manufacture of new packaging materials Insulating or as a substitute of polystyrene chips or polystyrene beads or polyurethane foam products and expanded material |
| 02/17/1993 | CN1019912C Non-drying adhesive |
| 02/11/1993 | DE4125909A1 Aufbereitung und verwendung von lackschlamm Preparation and use of paint sludge |
| 02/10/1993 | CA2075576A1 Depolymerization of polymers and their use in thermoset compositions and composites |
| 02/04/1993 | WO1993002141A1 Recycling of polyvinylbutyral |
| 02/04/1993 | WO1992022528A3 Controlled catalytic and thermal sequential pyrolysis and hydrolysis of mixed polymer waste streams to sequentially recover monomers or other high value products |
| 02/04/1993 | DE4125267A1 Resin material contg. recycled waste thermoplastic and thermosetting plastic - useful in applications not requiring good physical appearance and high mechanical strength, e.g. pallets, railway sleepers, etc. |
| 02/03/1993 | EP0525708A1 Intermediate layer for multilayer articles and process for their dissolution |
| 02/02/1993 | US5183514 Process for dissolving or removing rigid polyurethane foam by contacting with 1,2-dimethyl imidazole |
| 01/28/1993 | DE4124697A1 Recovering liq. rubber during recycling - by thermally decomposing used rubber with crude oil distillate and converting into new prod. during thermal stabilisation |
| 01/21/1993 | WO1993001525A1 Recovery of polyester from spent film |
| 01/21/1993 | WO1993001232A1 Method of regenerating coated plastic wastes |
| 01/21/1993 | WO1993001036A1 Process for preparing used polyolefine objects to provide reusable raw material |
| 01/21/1993 | WO1993001034A1 Method for preparation of composite materials |
| 01/20/1993 | EP0523323A1 Process for recycling silicone scrap and products relating thereto |
| 01/20/1993 | CN1068127A Production technique for powdered coal ash composite material |
| 01/14/1993 | DE4121081A1 Heat-insulating or sound-absorbing elements for covering buildings - are prepd. from chopped plastics waste, chopped old rubber tyres, waste polystyrene foam granules, and binder |
| 01/14/1993 | DE4116700C1 Redn of content of aromatic amine(s), in prodn. of polyurethane(s) - by reacting with either carbonyl or glucose, fructose, maleic or fumaric acids or derivs. |
| 01/13/1993 | EP0522235A1 Process for the recovery of epsilon-caprolactam from nylon 6 carpet |
| 01/13/1993 | CN1067904A Dry catalytic regeneration technology of waste perdurens |
| 01/12/1993 | CA1312628C Method for recovering a dihydric phenol from a scrap polyester |
| 01/07/1993 | WO1993000400A1 Polyethylene blends for molding |
| 01/07/1993 | WO1993000396A1 Process for the manufacture of granular materials and shaped products |
| 01/07/1993 | EP0521418A1 Method for pretreatment of old polyolefinic objects, to be used as recycled raw material |
| 01/07/1993 | DE4211446A1 Regenerated fibre-contg. thermosetting resin, useful in fireproof material - comprises crushed residues of fibre sheet impregnated with intermediate-stage resin, opt. contg. inorganic fillers |
| 01/07/1993 | DE4211445A1 Recycling fibre-contg. uncured thermosetting resin - by extracting with low-boiling solvent, e.g. methanol, sepg. from fibre, opt. concentrating, and using again to impregnate fibre |
| 01/07/1993 | DE4121800A1 Degradation of formaldehyde resin on e.g. fabric support - by adjusting water content and inoculating with white rot fungus or brown rot fungus |
| 01/05/1993 | US5177146 Commingled household plastic scrap processing and modification |
| 12/30/1992 | EP0520370A2 Process for preparing poly(arylene sulfide) polymers using waste materials |
| 12/29/1992 | US5175381 Steaming and transferring to a carrier, condensation and separation |
| 12/24/1992 | DE4120693A1 Verfahren zur herstellung von granulaten und formteilen A process for the preparation of granules and molded parts |
| 12/24/1992 | DE4120191A1 Removing styrene from styrene-contg. air - by adsorption on particulate additives or SMC or bulk moulding cpd. materials, which are then mixed with SMC or bulk moulding cpd. compsns. and hardened |
| 12/24/1992 | DE4119930A1 Waste foamed polystyrene recovery by dissolving in a solvent - using appts. including means to convey polystyrene from upper container into lower, airtight-closable, solvent container |
| 12/24/1992 | DE4118142A1 Prepn. of electrical insulating, impregnating lacquer contg. solvent - by diluting spent epoxide] impregnating resin with e.g. xylene, heating then adding to solvent-contg. lacquer based on e.g. spent polyesterimide |
| 12/23/1992 | WO1992022608A1 Compositions derived from recycled polymers |
| 12/23/1992 | WO1992022528A2 Controlled catalytic and thermal sequential pyrolysis and hydrolysis of mixed polymer waste streams to sequentially recover monomers or other high value products |
| 12/23/1992 | CN1019583B Technology for producing polyvinyl formal glue from waste vinylon |
| 12/22/1992 | US5173277 Methods for processing battery waste and other lead-contaminated materials |
| 12/16/1992 | EP0518004A2 Process for recycling fibre reinforced thermoplastic materials |
| 12/15/1992 | US5171767 Utrafiltration process for the recovery of polymeric latices from whitewater |
| 12/10/1992 | DE4118276A1 Flat composite for car components - with thermoplastic matrix contg. recycled carpet backing, polypropylene@ and polyamide, and with glass fibre reinforcement |
| 12/09/1992 | EP0517175A1 Recycling of plastics waste |
| 12/08/1992 | US5169870 Separation from wastes; catalytic depolymeriztion |
| 12/08/1992 | US5169588 Molding mixtures of plastics, paper, cloth and metals by binding with epoxy type sludge of dissolved polystyrene; curing |
| 12/03/1992 | DE4217840A1 Recovery of waste laminated packing material - by separating metal, plastic and paper by treatment with organic acid |
| 12/01/1992 | USH1120 Low shear viscosity |
| 11/26/1992 | WO1992020733A1 Construction material obtained from recycled polyolefins containing other polymers |
| 11/26/1992 | WO1992020723A1 Process for recycling aqueous fluid absorbent fines to a polymerizer |
| 11/19/1992 | EP0513780A1 Process for recycling aqueous fluid absorbents fines to a polymerizer |
| 11/19/1992 | EP0513542A2 Disposable recyclable plastic articles and moldable synthetic resin blends for making the same |
| 11/19/1992 | DE4116025A1 Preparing filled thermoplast articles for reinforcing materials, etc. - by mixing thermoplast with prod., freed from metal and smallest particles, obtd. by crushing e.g. scrap electronic material, and shaping |
| 11/17/1992 | CA2068859A1 Process for recycling aqueous fluid absorbents fines to a polymerizer |
| 11/11/1992 | EP0512736A2 Ultrafiltration processes for the recovery of polymeric latices from whitewater, and apparatus therefor |
| 11/11/1992 | EP0512464A1 Process for separating polyethylene terephthalate from polyvinyl chloride |
| 11/11/1992 | EP0512093A1 Process for recycling adhesive-coated plastics film. |
| 11/10/1992 | US5162446 Contacting polymer with a biscyclopentadienyl zirconium compound |
| 11/10/1992 | US5162414 Polyester fiber web embedded in matrix of flowable phenolic prepolymer and interfacial solvent for polyester; flame retardant |
| 11/07/1992 | CA2067283A1 Ultrafiltration process for the recovery of polymeric latices from whitewater |