| Patents for C08J 11 - Recovery or working-up of waste materials (9,055) |
|---|
| 01/10/1978 | US4067552 Asphalt-aggregate recycle |
| 12/20/1977 | US4064079 Polyester polymer recovery |
| 11/29/1977 | US4060684 Process for recovering raw materials from waste cellophane |
| 10/04/1977 | US4052344 Method of reclaiming scrap vulcanized rubber and the soluble reclaimed rubber thus produced |
| 09/27/1977 | US4051212 Hydrolysis |
| 09/27/1977 | US4051080 Method for reclaiming cured rubber scraps |
| 09/20/1977 | US4049588 Treatment of vulcanized rubber |
| 09/13/1977 | US4048104 Polyisocyanate prepolymers from scrap polyester and polyurethane foam products obtained therefrom |
| 09/06/1977 | US4046834 Treatment of vulcanized rubber |
| 08/23/1977 | US4044046 Method for recovering polyol from a polyurethane |
| 08/02/1977 | US4039568 Process for decomposition of polyurethane foam |
| 07/26/1977 | US4038219 Solvents, flocculation |
| 07/26/1977 | US4038100 Pyrolysis and grinding of hydrocarbon polymers |
| 07/12/1977 | US4035314 Recovery of polyurethane prepolymer and amine salt |
| 07/05/1977 | US4033907 Heating to relieve molecular orientation stresses |
| 06/21/1977 | US4031039 Method for treating waste high-polymer mixture |
| 06/14/1977 | US4029839 Sound and thermal insulating construction element |
| 06/14/1977 | US4029550 Pyrolysis |
| 06/07/1977 | US4028293 Polymers, bitumens |
| 06/07/1977 | US4028288 Pre-vulcanized rubber, thermoplastic resins |
| 06/07/1977 | US4028159 Resin reclamation in carpet manufacture |
| 05/31/1977 | US4026832 Recovery of waste polymer and product therefrom |
| 05/24/1977 | US4025579 Process for the production of sheet-like structures |
| 05/24/1977 | US4025559 Method for continuous hydrolysis of polyurethane foam in restricted tubular reaction zone and recovery |
| 04/26/1977 | US4020020 Grinding, fibrous backing, resinous wear layer, reuse |
| 04/19/1977 | US4018722 Heating with fats, sodium chloride, sodium bicarbonate and sand |
| 03/29/1977 | US4014809 Process for obtaining a polyol-containing homogeneous liquid composition useful for the production of rigid polyurethane foam from a rigid polyurethane foam |
| 03/29/1977 | US4014754 Adding a plasticizer, distillation, n-methyl pyrrolidone |
| 03/22/1977 | US4013625 Process for the linearization of polyurethanes with lactams and lactam addition compounds |
| 03/22/1977 | US4013616 Mixed polymeric structural material and method |
| 01/18/1977 | US4003881 Polyester polymer recovery from dyed polyester fabrics |
| 01/18/1977 | US4003880 Fabric dye stripping, separation and recovery of polyester |
| 01/18/1977 | US4003866 Thermoplastic resin, fillers, waxes |
| 01/18/1977 | US4003136 Method for the drying and recovery of polyethylene waste material |
| 12/14/1976 | US3997360 Process for cleaning vinyl chloride polymerization reactors |
| 12/07/1976 | US3996154 Emulsions of isocyanates and their manufacture |
| 10/26/1976 | US3988406 Method of providing a fibrous thermoplastic resin for depolymerization thereof |
| 10/26/1976 | US3988301 Process for the preparation of high-molecular weight |
| 09/28/1976 | US3983087 Heating in propylene glycol1,2- |
| 09/07/1976 | US3979482 Process for the degradation of high polymer substances |
| 08/31/1976 | US3978128 Method of recovering amines by the hydrolytic decomposition of polyurethanes |
| 08/17/1976 | US3975208 Method of selectively recovering vinyl halide insulation from insulated wire scrap |
| 08/10/1976 | US3974206 Acrylic acid polystyrene |
| 08/03/1976 | US3972842 Vinylidene fluoride, masticating, swelling with nitric acid |
| 06/29/1976 | US3966862 Method of reconstituting mica |
| 06/22/1976 | US3965149 Method for recovery of methyl methacrylate from mixed polymeric materials |
| 06/01/1976 | US3960485 Precipitation of interpolymers of vinyl esters by adjusting the alkali metal ion concentration |
| 05/04/1976 | US3954681 Method of reclaiming cured polyurethane elastomers |
| 04/20/1976 | US3951886 Process for producing polyester resin |
| 03/30/1976 | US3947387 Novel ionic foams |
| 02/17/1976 | US3939217 Alcohol purification process |
| 02/10/1976 | US3937675 Hydrolysis of cellulose with mineral acid |
| 02/10/1976 | US3937671 Reaction with acetic acid or anhydride |
| 01/20/1976 | US3933756 Process of preparation of synthetic resins by reacting a cross-linked isocyanate polyaddition product with low molecular weight polyisocyanate followed by reaction with an amino alkyl silane |
| 01/20/1976 | US3933633 Flotation |