Patents for C08J 11 - Recovery or working-up of waste materials (9,055)
10/1993
10/06/1993EP0563291A1 Photodegradable plastic composition
09/1993
09/30/1993WO1993019398A2 Composition for removing adhesives from polymeric film and process for using same
09/29/1993EP0561922A1 Method of regeneration of a hydrocarbon based liquid that contains titanium and/or chlorine compounds
09/29/1993CN1076737A Process for removing colored components from solvent for polyacrylonitrile
09/29/1993CN1076705A Continous decomposing method for polyurethane foam material and waste material
09/28/1993US5248342 Reduction of lead and abrading the lead salt
09/28/1993US5248041 Separation of polyester from polyvinyl chloride
09/23/1993DE4209057A1 Moulded articles of improved compatibility and mechanical properties - comprising mixt. of moulded articles from crosslinked urethane and/or urea gp. contg. isocyanate, filler, recycling and olefin additive
09/22/1993EP0561187A1 Blow moulded container of blends of recycled high density polyethylene and linear low density polyethylene
09/21/1993US5246115 Process for separating heterogeneous plastic material into homogeneous fractions and apparatus useful to this purpose
09/21/1993CA2091704A1 Process for the production of molded parts
09/16/1993WO1993017851A1 Use of powder coating material
09/16/1993DE4207370A1 Removal of plant protectants from plastic esp. polyethylene@ containers - by extn. of plant protectant by contacting container with material which diffuses into plastic and dissolves protectant, etc.
09/15/1993EP0545973A4 Toughened thermoplastic polyester compositions
09/08/1993EP0558907A1 Aqueous coating compositions from polyethylene terephthalate
09/08/1993EP0558906A1 Non-aqueous coating compositions from polyethylene terephthalate
09/08/1993EP0558905A1 Aqueous coating compositions from polyethylene terephthalate
09/08/1993EP0558620A1 Method of manufacturing composite sheet materials
09/08/1993EP0558512A1 Treatment of absorbent sanitary paper products.
09/07/1993US5243020 Process for the continuous production of high molecular weight polyester resin
09/02/1993WO1993017411A1 Peelable label and methods of manufacturing and recycling
09/02/1993WO1993016976A1 Process for recycling polymers having repeating ether linkages
09/02/1993CA2521070A1 Peelable label
09/02/1993CA2128788A1 Process for recycling polymers having repeating ether linkages
09/01/1993EP0557895A1 Method for separating a mixture of two plastics with similar specific gravities
08/1993
08/31/1993US5241045 Process for the precipitation of aqueous plastics dispersions containing polyvinyl alcohol
08/29/1993CA2090510A1 Method for separating a mixture of two plastics with similar specific gravities
08/25/1993EP0556670A1 Process for reclaiming lacquer coagulates
08/25/1993EP0556592A1 Non-aqueous coating compositions from polyethylene terephthalate
08/19/1993DE4204176A1 Disposing of polyurethane-contg. composite materials - by contacting material with basic fluid which degrades the polyurethane, and sepg. other components
08/19/1993DE4204094A1 Hydrothermal decomposition of polymers - esp. de-vulcanisation of rubber, for reuse of sepd. components
08/19/1993CA2089505A1 A process for recovering and recycling organic binder components from a coatings slurry
08/18/1993EP0556003A1 Process for removing colored components from solvent for polyacrylonitrile
08/18/1993EP0555254A1 Process for treating lacquer coagulates and their use
08/18/1993EP0554379A4 Decontamination of polystyrene
08/18/1993CN1075328A Method for continuous production of petroleum products from waste plastics and its equipment
08/17/1993US5236726 Method of processing cellulose sausage skins
08/11/1993EP0554379A1 Decontamination of polystyrene
08/10/1993US5234110 Polyvinyl chloride-polyethylene terephthalate separation process and product
08/05/1993WO1993014821A1 Method and apparatus for the controlled reduction of organic material
08/05/1993DE4202948A1 Using recycled plasticiser-contg. PVB - in mfr. of floor coverings with fillers, auxiliary aids and polyacrylate
08/05/1993DE4202586A1 Metal esp. heavy metal and plastics components recovery from e.g. dental cassette - by dissolving plastics in basic soln., flocculation with acid and sepn. and removing sedimented metal from soln. for e.g. amalgam
08/05/1993CA2129135A1 Method and apparatus for the controlled reduction of organic material
08/04/1993EP0553683A1 Process for the recovery of polymers dissolved in an aqueous alkaline or acid medium
08/04/1993EP0553404A1 Process for re-using residues produced during the production of friction linings
08/04/1993EP0553320A1 Method of separating polyethylene (pe) and polypropylene (pp).
08/04/1993EP0553319A1 Method of separating a mixture of plastics comprising at least three components using electrostatic techniques.
08/04/1993EP0489103B1 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
08/03/1993US5233037 Production of caprolactam by thermal depolymerization of polyamide 6
08/03/1993US5233021 Recycling of polymeric materials from carpets and other multi-component structures by means of supercritical fluid extraction
08/03/1993US5232954 Process for recovering thermoplastic resins using esters
08/03/1993US5232606 Process for recycling of supported or contaminated PVC
08/03/1993US5232489 Process for the recovery of metals and coating materials from composite materials
07/1993
07/28/1993EP0552677A1 Recycled thermoplastic moulding composition
07/28/1993CN2139119Y Direct heating rubber devulcanizer
07/24/1993CA2087915A1 Non-aqueous coating compositions from polyethylene terephthalate
07/24/1993CA2087914A1 Non-aqueous coating compositions from polyethylene terephthalate
07/22/1993WO1993014154A1 Method of processing plastic waste
07/22/1993DE4200915A1 Verfahren zum aufarbeiten von nicht sortenreinen kunststoffabfaellen Method of work up of non-variety kunststoffabfaellen
07/22/1993CA2125777A1 Process for reprocessing plastic wastes
07/14/1993EP0550563A1 Process for recycling plastics.
07/13/1993US5226926 Plastic and oil waste processing method
07/06/1993US5225465 Process for working up stabilized abs polymers with recovery of unreacted monomers
07/06/1993US5225137 Bottle recycling apparatus and method
07/06/1993US5225130 Process for reclaiming thermally strained polyester scrap material
07/06/1993CA2038481C Method and apparatus for recycling thermoplastic containers
07/01/1993DE4140857A1 Amide] 6 obtd. from waste amide] - by passing melt through shear filter, partly depolymerising with water at specified temp. under pressure, and post-condensing
06/1993
06/30/1993EP0549259A2 Process for separation of hydrolyzable polymers from non-hydrolyzable polymers
06/30/1993EP0549025A1 Process for the recycling of cured polysulfphide and/or polymercaptan elastomers
06/30/1993EP0548696A1 Process for the production of fiber-reinforced polypropylene resin sheets
06/29/1993US5223544 Process for the removal of foreign materials from a post-consumer plyethylene terephthalate feed stream
06/29/1993US5223543 Reduction in polystyrene with activated agent
06/24/1993WO1993013164A1 Method for treating cross-linked polymers
06/24/1993WO1993012283A1 Process for producing flocked decorative floor coverings from recycled rubber granulates
06/24/1993CA2125042A1 Method for treating cross-linked polymers
06/23/1993EP0547521A1 Process for the precipitation of aqueous polymer dispersions containing polyvinylalcohol
06/23/1993EP0547479A2 Process for cracking polycarbonates
06/23/1993EP0547249A1 Method of regenerating coated plastic wastes
06/22/1993US5221708 Use of recovered polyvinyl butyral in the manufacture of flooring
06/21/1993CA2084690A1 Process for separation of hydrolyzable from non-hydrolyzable waste plastics for recovery of starting materials and other conversion processes, respectively
06/16/1993EP0546415A1 Process for producing hydroxy group containing compounds from polyurethane or polyurea waste and their use
06/16/1993EP0545973A1 Toughened thermoplastic polyester compositions
06/16/1993CN1073164A One step producing plasticiging agent by using polyester waste material
06/10/1993WO1993011186A1 Method of regenerating pvpp, and the use of an oxidizing agent for the regeneration
06/10/1993WO1993010916A1 Process for removing contaminants from polyolefins for recycle
06/09/1993CN1072937A Regeneration method of waste sulphurated rubber by chemical plasticizing machinery
06/09/1993CN1021117C Technology for obtaining peat plastics from waste polythene
06/08/1993US5217655 Using municipal or industrial wastes containing plastics, organics, and fibers
06/03/1993DE4139257A1 Recycled plastic moulding material - contains recycled polyolefin or polystyrene, recycled fibre-reinforced thermoset and opt. acid or ester gp.-contg. ethylene@] copolymer etc.
06/02/1993EP0543975A1 Compositions derived from recycled polymers
06/01/1993US5216149 Controlled catalytic and thermal sequential pyrolysis and hydrolysis of mixed polymer waste streams to sequentially recover monomers or other high value products
06/01/1993US5215695 Mixing feed of ground cellulose impregnated with partially condensed thermosetting resins with a thermoplastic resin; reacting; degassing
05/1993
05/26/1993EP0543302A1 Process for separating aluminium foils from PE-foils or plastic foils based on polyester
05/26/1993EP0542806A1 Process for producing polyol-containing dispersions and their use.
05/25/1993US5214072 Purification of polycarbonate, polyester carbonate or polyester waste
05/18/1993US5212223 Extrusion method and apparatus for recycling waste plastics and construction materials therefrom
05/05/1993EP0540122A1 Depolymerization of conjugated diene polymers
04/1993
04/29/1993WO1993008226A1 Process for the production of high molecular weight polyester resins
04/28/1993EP0538730A1 Process for the conversion of polyethylene composite films to re-usable raw materials
04/28/1993EP0538323A1 Method of preparing water-swellable products using very fine particles of water-swellable polymers.
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