Patents for C08J 11 - Recovery or working-up of waste materials (9,055)
04/1987
04/15/1987EP0097187B1 A process for non-destructive separation of mixtures containing plastics and non-plastics scrap
03/1987
03/25/1987EP0215474A2 Polymer layer recovery from a multilayered chip material
03/18/1987EP0214249A1 Process for regenerating vulcanized rubber
03/04/1987EP0212214A2 Process for the production of boards and preformed articles
03/03/1987US4647509 Thermoformable multilayer barrier structures
02/1987
02/24/1987US4645617 Stripping compositions with reduced vapor containing MeCl2, a wax and ethylene or propylene carbonate
02/18/1987CN85106299A Depolymerization of polyester scraps
01/1987
01/28/1987EP0209789A2 Method of separating pollutants from water-solvent mixtures
01/28/1987EP0209734A1 Process for the recovery of amine and metal compounds in the preparation of polyphenylene ether
01/27/1987US4639515 Recovery and reuse of chemicals
01/27/1987US4639514 Cyclic process for producing an alkali solution of cellulose carbamate and precipitating the carbamate
01/24/1987CN86103219A Preparation of adhesives from styrene
12/1986
12/16/1986US4629780 Heating and agitating an aqueous solution of potassium chloride, sodium hypochlorite and potassium hydroxide with polyester-containing waste
12/10/1986CN86200950U Jacket-type desulfurizing tank
11/1986
11/18/1986US4623704 Use of membranes for ethylene recovery in polymerization processes
11/04/1986US4621011 Agglomerated cellulosic particles
10/1986
10/14/1986US4617111 By solvent absorption to change densities; flotation or centrifuging;
09/1986
09/30/1986US4614752 Dissolving with solvents
09/17/1986CN86101424A Process for the production of aticles of fractional crystallised polyester
09/12/1986WO1986005192A1 Process for regenerating vulcanized rubber
09/02/1986US4609680 To bis-hydroxyethyl terephthalate
08/1986
08/05/1986US4604454 Method of recovering vinyl chloride resin
07/1986
07/22/1986US4602046 Recovery of polyester from scrap by high shear conditions
07/16/1986EP0187274A1 Recovery of polyethylene terephthalate (PET)
06/1986
06/24/1986US4596603 Contacting wastes with selective solvent for plasticizer, separating plasticizer
06/10/1986CA1205617A1 Apparatus for thermal decomposition of polymeric materials
05/1986
05/28/1986EP0182130A2 Method of recovering volatile foaming agent from prefoamed beads of polyolefin resins
05/20/1986US4590261 With hypochlorite compound
05/13/1986CA1204371A1 Washing and removal method of high molecular substances and recovery method of washing solvent
04/1986
04/29/1986US4585801 Removal of impurities;
04/01/1986US4579871 Method of reclaiming rubber
03/1986
03/25/1986US4578184 Sedimentation
03/12/1986EP0174062A2 Process for the depolymerization of polyester scrap
03/11/1986US4575427 Conversion to agriculturally useful product
02/1986
02/18/1986US4571363 Polyester film primed with crosslinked acrylic polymers
02/12/1986EP0170855A2 Process for removing undesirable components, such as low-molecular compounds, from polycarbonates
02/11/1986CA1200509A1 Process for purifying organic solutions
01/1986
01/29/1986EP0169824A1 Material, process for preparing it and applications
01/21/1986US4565138 Thermal decomposition furnace of waste tires
12/1985
12/27/1985EP0165585A2 Method of and apparatus for separating rubber and/or plastics from composite articles made of metal and at least one of these materials
12/17/1985US4559170 Removing water, then solidifying in polymer matrix
12/11/1985EP0164137A2 Process for extracting rubber and by-products from guayule and guayule-like shrubs
11/1985
11/19/1985CA1197043A1 Process for regenerating resin
11/12/1985US4552621 Apparatus for thermal decomposition of polymeric materials
11/06/1985EP0160270A1 Method of producing moulded parts by compressing fibrous material with simultaneous bonding
10/1985
10/23/1985EP0158704A1 Disposal of bead ion exchange resin wastes
10/15/1985US4547536 Polyalkylene terephthalate, poly (1-alkene), mineral oil and a dessicant; beverage bottles
10/08/1985US4546128 Composite material compositions using waste synthetic fiber
10/01/1985US4544675 Reclaiming of vulcanized rubber
09/1985
09/24/1985US4543364 Glue, paper, chlorinated solvent
09/17/1985US4542191 Rubber additives derived from guayule resins and compositions containing them
09/17/1985CA1193446A1 Method for working-up metal containing waste products
09/11/1985EP0154333A2 Method and apparatus for the continuous drying and unpressurised recycling of old rubber
07/1985
07/02/1985US4526959 Grinding shrub, extracting resins, rubber, using hydrocarbon solvent
06/1985
06/25/1985US4525485 Pre-expanding process and apparatus for the same
06/19/1985EP0144948A2 Polyester film with a cross-linked acrylic adhesion promoting layer
06/18/1985US4524154 Pre-expanding process and apparatus for the same
05/1985
05/28/1985CA1187669A1 Method of reclaiming rubber
05/14/1985US4517312 Process for regenerating resin
05/08/1985EP0140059A1 Pre-expanding process and apparatus for the same
04/1985
04/16/1985US4511680 Process for the continuous high temperature glycolytic cleavage of polyurethane plastics waste in screw machines
03/1985
03/19/1985US4506034 Method for the continuous processing of coarse-grained waste rubber into a secondary rubber raw material
03/05/1985US4502957 Process for purifying organic solutions
12/1984
12/18/1984US4489020 Method of forming crosslinked styrenic polymer articles and the articles
12/11/1984CA1179332A1 Process for extracting rubber and by-products from guayule and guayule-like shrubs
12/05/1984EP0033325B1 Solvent recovery process
11/1984
11/27/1984US4485204 Recycling polyethylene terephthalate bottles
10/1984
10/09/1984CA1175999A1 Particle boards and composites derived from scrap plastic
09/1984
09/19/1984EP0119079A2 Process for the treatment of industrial residual sludge
09/13/1984WO1984003513A1 A method of reclaiming rubber
09/04/1984US4469817 Heating to desulfurize, high speed cooling with water
09/04/1984US4469573 Method and arrangement for separating rubber from metal
08/1984
08/28/1984US4468257 Washing and removal method of high molecular substances
08/08/1984EP0115051A2 Process for regenerating resin
07/1984
07/25/1984EP0113830A1 Removal of residual acrylonitrile monomer
06/1984
06/12/1984US4454249 Reinforced plastics with porous resin fragments
06/05/1984US4452525 Document feed control during copy paper jams
05/1984
05/01/1984CA1166593A1 Apparatus for pyrolyzing shredded tires
04/1984
04/11/1984EP0105167A1 Process for the glycolytic decomposition at high temperature of polyurethane wastes in screwing machines
03/1984
03/20/1984CA1164148A1 Process for treating aqueous latex paint waste
03/20/1984CA1164146A1 Removal of residual acrylonitrile monomer
03/06/1984US4435337 Process for extracting rubber and by-products from guayule and guayule-like shrubs
02/1984
02/21/1984US4432837 Dispersing in water with clay, vaporization, condensing vapors, and separation
01/1984
01/31/1984CA1161598A1 Method of making a suspension of a filler for rubber mixtures
01/24/1984US4427818 Thermoplastic polymer concrete structure and method
01/24/1984US4427157 Preparation of styrene-polymer and polyolefin micro-bits
01/17/1984US4426459 Process for decomposing vulcanized rubber
01/04/1984EP0097187A1 A process for non-destructive separation of mixtures containing plastics and non-plastics scrap.
01/03/1984US4424080 Process for hydrolysis removal of condensation polymer from various objects
11/1983
11/29/1983CA1157857A1 Process for obtaining caprolactam by cleaving caprolactam oligomers
11/15/1983US4415360 Method for working-up metal-containing waste products
11/09/1983EP0093247A1 Polyisocyanurate foams from digestion products of polyalkylene terephthalate polymers and polyols
10/1983
10/25/1983US4411736 Method for vapor recovery from a polymer slurry
09/1983
09/13/1983US4404607 Magnetic reproducing apparatus
09/01/1983WO1983002964A1 Method for reusing waste hot spun fibers
08/1983
08/31/1983EP0087133A2 Process for utilizing waste from melt-spun fibres
08/16/1983US4399236 Evaporating the amine in a heated evacuated coil evaporator; precipitation of residue amine as hydrochloride salt; foaming
07/1983
07/07/1983WO1983002281A1 A process for non-destructive separation of mixtures containing plastics and non-plastics scrap
07/05/1983US4391767 Coated polyester films
06/1983
06/29/1983EP0082295A2 Composite panels derived from scrap plastics
1 ... 78 79 80 81 82 83 84 85 86 87 88 89 90 91