Patents for C08J 11 - Recovery or working-up of waste materials (9,055)
09/1989
09/20/1989EP0332772A1 Process for reclaiming polyethylene terephthalate scrap contaminated with chlorine-containing polymer
09/13/1989CN1035525A Non-drying adhesive
09/13/1989CN1035515A Technological method for recovering waste polyester sort materials
08/1989
08/15/1989US4857150 Silicone oil recovery
08/02/1989CN1034374A Production of a premium water-absorbing resin from waste polyacrylonitriles
07/1989
07/27/1989WO1989006668A1 Process for treating colloidal solutions of lacquer sludges
07/26/1989EP0324916A1 Process for upgrading solutions of lacquer sludges
07/25/1989US4851084 Procedure for operating a pyrolysis process
07/18/1989US4849057 Apparatus for the pyrolysis of waste material
07/13/1989DE3742845A1 Process for the production of fibre-reinforced polypropylene webs, and fibre-reinforced polypropylene webs
06/1989
06/29/1989WO1989005833A1 Composite materials, their preparation and articles made therefrom
06/28/1989EP0322095A2 Impact resistant polyethylene terephthalate/polycarbonate/PE blends
06/28/1989EP0321731A2 Process for reclaiming polystyrene-based synthetic-resin waste, and its reuse
06/22/1989DE3841007A1 Chipboard, and process for the production of chipboard
06/13/1989US4839392 Method for recovering a solid flowable polymer medium
05/1989
05/24/1989EP0316676A2 Adhesive sheet, such as a label or the like, soluble in aqueous alkali
05/23/1989US4833205 Polymeric materials having controlled physical properties
05/11/1989DE3736575A1 Polymer containing COOH groups, mixture of polymers containing COOH groups with fillers, and their use for the production of mouldings
05/03/1989EP0314156A2 Polymers containing COOH groups, blend of polymers containing COOH groups with fillers and their use in the preparation of moulded articles
05/02/1989US4826897 Blend with epoxy-containing polymer
04/1989
04/26/1989CN1004004B Depolymerization of polyester scraps
04/18/1989US4822547 Process for the extrusion of compositions comprising polypropylene, polyvinyl alcohol and a polypropylene-polyvinyl alcohol adhesive
04/18/1989CA1252944A1 Method for the continuous, dry, non-pressurized regeneration of salvaged rubber
03/1989
03/29/1989CN1032018A Method for making plastics from coal stone and rubber waste
03/23/1989DE3730634A1 Method of coating recycled plastic products, and paint mixture suitable for this method
03/21/1989US4814439 Pollution control, sulfhydryl compound
03/15/1989EP0160270B1 Method of producing moulded parts by compressing fibrous material with simultaneous bonding
03/14/1989CA1251187A1 System for reclaiming plastic from metal plated plastic scrap
03/09/1989DE3802851C1 Method of recovering paints and lacquers from the circulation water of paint shops, in which the paint or lacquer is taken up by the circulation water as overspray and/or drip loss
02/1989
02/14/1989CA1250088A1 Method of recovering volatile foaming agent from prefoamed beads of polyolefin resins
02/14/1989CA1250076A1 Recovery of polyethylene terephthalate (pet)
02/08/1989CN1030928A Plant for pyrolysis of waste material
01/1989
01/24/1989US4799954 Recovery of silver from photographic film with high shear and caustic
01/18/1989CN1030431A Production of daubing agent from waste foamed polystyrene
01/11/1989CN1030252A Process for cooling hot pyrolysis gas
01/11/1989CN1030249A Method for controlling height of fluidized bed in pyrolysis reactor and arrangement for carrying out method
01/11/1989CN1030248A Process for operating pyrolysis plant
01/04/1989EP0297432A2 Process for running a pyrolysis plant
01/04/1989EP0297425A2 Process for controlling the height of a fluidised bed in a pyrolysis reactor and installation for carrying out this process
01/04/1989EP0297424A2 Process for cooling hot pyrolysis gas
01/04/1989EP0297420A2 Installation for the pyrolysis of waste
01/04/1989CN1030085A Method for recovering phenol by direct alkali absorption under reduced pressure in the process for synthesis of phenolic resins
01/03/1989US4795603 Method for producing composite material of plastic and rubber
12/1988
12/28/1988CA1247506A Process and apparatus for removing rubber and/or plastic material from composite bodies comprising metal and at least one of said materials
12/01/1988DE3813072A1 Process for separating off organic substances, in particular styrene, from air
11/1988
11/30/1988EP0293129A1 Process for detackification of paint spray operation wastes using melamine formaldehyde
11/24/1988DE3715646A1 Process for disposing of, reprocessing and reclaiming plastic wastes and floor-covering element or similar mould parts produced by this means
11/23/1988EP0292316A2 Composite material
11/22/1988CA1245010A1 Reclaiming of vulcanized rubber
11/17/1988WO1988008871A1 Destruction of plastics waste
11/08/1988US4783193 Alkyl halide, bleaching and oxidizing agent, acid, and surfactant
11/02/1988EP0263854A4 Laminates containing coextruded scrap.
11/01/1988CA1244198A1 Polyisocyanurate foams from digestion products of polyalkylene terephthalate polymers and polyols
10/1988
10/19/1988CN87107005A Method for producing composite material of plastic and rubber
09/1988
09/27/1988CA1242317A1 Disposal of bead ion exchange resin wastes
09/21/1988CN87101849A Method and catalyst for depolymerizing waste and old polyester plastics
09/13/1988US4771110 Polymeric materials having controlled physical properties and processes for obtaining these
09/06/1988US4769116 Hydrometallurgical process for an overall recovery of the components of exhausted lead-acid batteries
08/1988
08/23/1988US4765835 Dissolving in caustic treatment bath
08/17/1988CN87100611A Regeneration of waste vulcanized rubber
08/11/1988DE3702495A1 Process for the preparation of polyol-containing liquids, and their use
08/09/1988US4762484 Apparatus for the continuous, dry, non-pressurized regeneration of salvaged rubber
07/1988
07/28/1988WO1988005444A1 Method and plant for separation of synthetic water soluble polymers
07/27/1988EP0276081A2 Process for preparing a normally liquid hydrocarbon product from plastics material
07/06/1988EP0273294A2 Process for removal of cured epoxy
06/1988
06/07/1988USRE32692 Polyester, cotton and polypropylene blend
06/07/1988US4749496 Filtration through open cell foam containing active powdered materials
05/1988
05/25/1988CN87209463U High temperature continuous desulphurizing machine for regenerated rubber
05/24/1988US4746422 Method for the separation of a mixture of plastic and contaminant
05/03/1988CA1236095A1 Cyclic process for producing alkali solution of cellulose carbamate, precipitating the carbamate and recovering the chemicals
05/03/1988CA1236094A1 Cyclic process for producing alkali solution of cellulose carbamate, precipitating the carbamate and recovering the chemicals
04/1988
04/20/1988EP0263854A1 Laminates containing coextruded scrap
03/1988
03/08/1988US4729797 Sulfone and pyridine
02/1988
02/23/1988US4727122 Adsorption from vent gas
12/1987
12/29/1987US4716062 Composite materials, their preparation and articles made therefrom
12/29/1987CA1230795A1 Borate solution soluble polyvinyl alcohol films
12/23/1987DE3620321A1 Plastic material
12/08/1987US4711912 Polyisocyanurate foams from digestion products of polyalkylene terephthalate polymers and polyols
12/02/1987EP0247483A2 Process for the preparation of hydroxyphenyl urethanes
12/01/1987US4710520 Mica-polymer micro-bits composition and process
11/1987
11/10/1987US4705708 Multi-laminate structure containing a scrap layer and containers made therefrom
10/1987
10/28/1987EP0242517A2 Process for recovering polymers from their dispersions
10/08/1987WO1987005853A1 Laminates containing coextruded scrap
09/1987
09/23/1987CN86100803A Method for recovering waste polystyrene
09/09/1987CN86101191A Desulfurizing processing and its equipments of scraped synthetic rubber
09/08/1987US4692470 Pretreatment with wetting agent
08/1987
08/19/1987EP0232698A2 Cold cleaning and stripping compositions having reduced vapor emission
08/18/1987US4687641 Apparatus for preparing pre-expanded thermoplastic resins
08/12/1987EP0231918A2 Polymeric materials having controlled physical properties and processes for obtaining these
08/12/1987CN86204032U Forced sweetening device for rubber regeneration
08/11/1987US4686087 Apparatus for thermoplastic resins pre-expanding process
07/1987
07/29/1987CN86107269A Recovery isoprene in preparing butyl rubber
07/28/1987US4682989 Method of recovering volatile foaming agent from prefoamed beads of polyolefin resins
07/23/1987DE3601175A1 Process and apparatus for separating different polymers from polymer mixtures
07/22/1987EP0229521A1 Reducing contamination of olefinic hydrocarbons
05/1987
05/26/1987US4668571 Ethylene-maleic anhydride tie layer between polyamide and polyolefin layer
05/26/1987CA1222114A1 Polyester film primed with crosslinked acrylic polymers
05/12/1987US4665101 Heating by microwaves followed by convection
04/1987
04/30/1987DE3528346C1 Process for the disposal of painting residues
04/28/1987US4660585 Detoxification of cyanide compounds
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