| Patents for B29C 71 - After-treatment of articles without altering their shape; Apparatus therefor (6,473) |
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| 03/08/1983 | US4375718 Method of making fibrous electrets |
| 03/01/1983 | US4375442 Method for producing polyester container |
| 02/16/1983 | EP0072232A2 Polyolefin surgical devices and method for producing the same |
| 02/08/1983 | US4372898 Process of crosslinking electrical insulators of plastic or rubber |
| 01/25/1983 | US4370469 Printed circuits |
| 01/25/1983 | US4370291 Extrusion and drawing of polyethylene terephthalate |
| 01/25/1983 | CA1140077A1 Nitrile preforms and containers and process improvements for forming same |
| 01/11/1983 | CA1139283A1 Web rolling method and apparatus |
| 01/11/1983 | CA1139072A1 Production of polyvinyl butyral sheet rolls |
| 01/11/1983 | CA1139059A1 Sheet cleaning |
| 01/05/1983 | EP0068800A2 Process for improving the surface characteristics of contact lenses |
| 01/05/1983 | EP0068714A1 Thermal-forming processes |
| 01/05/1983 | EP0068271A2 Container for medical use |
| 12/28/1982 | US4366201 Made by crosslinking the fused portion of a polymeric material |
| 12/15/1982 | EP0066982A2 Method of strengthening the neck portion of a bottle-shaped container of biaxially-oriented polyethylene terephthalate resin |
| 11/30/1982 | US4361606 Method for irradiation of polymeric laminates and product |
| 11/23/1982 | US4360484 Decreasing the density |
| 11/10/1982 | EP0064403A1 Polymer mixtures |
| 11/09/1982 | US4358492 Novel process for deep stretch forming of polyesters |
| 11/02/1982 | US4357295 Immersion in nonaqueous bath containing solvents |
| 10/06/1982 | EP0061653A2 Coated plastic article |
| 10/05/1982 | US4352672 Process for the production of colorful and figurative designs of shaped synthetic-resin articles |
| 10/05/1982 | CA1132779A1 Row of continuous slide fastener coupling elements and method of making the same |
| 09/29/1982 | EP0061123A2 Apparatus for relieving tensile stress in welded seams of plastic containers |
| 09/28/1982 | US4351884 Shaped articles from poly(p-methylstyrene) blends |
| 09/22/1982 | EP0060687A2 Method of making fibrous electrets |
| 09/21/1982 | CA1132094A1 Process for improving film of poly (p-methyl-styrene) and copolymers |
| 09/14/1982 | US4349502 Fabrication method for unoriented phase-I PVF2 |
| 09/07/1982 | CA1131163A1 Heat and grease resistant foam containers comprising poly (p-methylstryrene) |
| 09/01/1982 | EP0058996A1 Oil-impregnated polyolefin film for electric insulation and manufacturing method for the same |
| 08/18/1982 | EP0057835A1 Shaped articles of synthetic resins having improved surface properties and method for making same |
| 08/17/1982 | US4344981 Method for modifying surface properties of a shaped article of a silicone |
| 08/11/1982 | EP0057590A2 Napped fluororesin material having continuous pores, and a method of manufacturing the same |
| 08/11/1982 | EP0057504A1 Container of polyethylene terephthalate or saturated polyester resin |
| 07/27/1982 | CA1128463A1 Method of and apparatus for shielding inert-zone electron irradiation of moving web materials |
| 07/21/1982 | EP0056181A1 Method for producing high density films of ethylene polymers |
| 07/13/1982 | US4339409 Having exterior opaque embossed surface design |
| 07/13/1982 | US4339303 Radiation stress relieving of sulfone polymer articles |
| 06/29/1982 | US4337024 Seam roller |
| 06/09/1982 | EP0053256A1 Process for preparing uniform plastics pieces bearing different signs by injection moulding, particularly plastics keys for apparatuses |
| 06/08/1982 | US4333903 Row of continuous slide fastener coupling elements and method of making the same |
| 06/08/1982 | CA1125229A1 Irradiated laminate film having heat sealing characteristics |
| 06/01/1982 | CA1124479A1 Vapor polisher for plastic surfaces |
| 05/11/1982 | US4329315 Sheet stress relaxation |
| 04/07/1982 | EP0049108A1 Process for producing polyester film |
| 04/06/1982 | US4323533 Rotary forming of articles |
| 03/23/1982 | CA1120227A1 Packaged article covered with special film |
| 03/10/1982 | EP0047050A1 Radiation cross-linked articles of poly(p-methylstyrene) blends and method for making them |
| 03/10/1982 | EP0047038A1 Polyolefin layer with improved adhesion to a plastic substrate |
| 03/09/1982 | US4318763 Heat shrinkage, receptacles, polyethylene or ethylene-vinyl acetate copolymers, ionizing radiation |
| 03/02/1982 | US4317788 Method for modifying surface properties of a shaped article of an acrylic resin |
| 02/23/1982 | US4316934 Heating compression |
| 02/23/1982 | US4316783 Process for modifying a shaped polyethylene |
| 02/16/1982 | US4315808 Preventing bleeding of a plasticizer by exposure to an inorganic gas plasma |
| 02/09/1982 | CA1117721A1 Process for preparing saturated polyester resin bottles |
| 01/26/1982 | CA1116841A1 Liquid-crystalline polymer phase having a cholesteric structure, processes for its preparation and its use |
| 01/19/1982 | US4311660 Heat-treating polyolefin films |
| 01/19/1982 | CA1116395A1 System for producing self-healing tires |
| 12/29/1981 | US4308223 Method for producing electret fibers for enhancement of submicron aerosol filtration |
| 12/29/1981 | CA1115019A1 Elastomeric body |
| 12/22/1981 | US4307047 Method of manufacture of identical parts displaying different indicia |
| 12/15/1981 | US4305899 Method of manufacturing a plastic tube with longitudinal channels in the wall |
| 12/09/1981 | EP0041381A1 Altering the electro-conductive properties of material |
| 12/08/1981 | US4304750 Process for the edge knurling of a thermoplastic web |
| 11/25/1981 | EP0040297A1 A method of heat treating polyester film |
| 11/24/1981 | US4302418 Medical equipment |
| 11/24/1981 | CA1112820A1 Melt processing of fluorinated polymers |
| 11/12/1981 | WO1981003145A1 Thermoforming tubular articles |
| 11/11/1981 | EP0039377A1 Thermoforming tubular articles |
| 11/04/1981 | EP0038859A1 Process for producing a stretch-blow molded polypropylene bottle |
| 10/28/1981 | EP0038559A2 Method of producing an abrasion resistant sheet and apparatus for producing it |
| 10/27/1981 | USRE30782 Method for the manufacture of an electret fibrous filter |
| 10/21/1981 | EP0037869A1 Apparatus for irradiation cross-linking |
| 10/06/1981 | US4293435 Liquid-crystalline polymer phase having a cholesteric structure, processes for its preparation and its use |
| 09/23/1981 | EP0036320A1 Film of aromatic polyamide and process therefor |
| 09/22/1981 | US4291142 Crosslinked aromatic polyamide film and process for producing the same |
| 09/09/1981 | EP0035117A2 Article containing a peroxy cross-linkable component and process for preparing the same |
| 09/02/1981 | EP0034707A1 Process for producing coloured and figurative patterns of moulded plastics articles |
| 08/25/1981 | CA1107706A1 Method and apparatus for unwinding a roll of sheet molding compound |
| 08/18/1981 | CA1107231A1 Irradiated film |
| 08/11/1981 | US4283630 Irradiated film |
| 08/04/1981 | US4281431 Sheet cleaning |
| 08/04/1981 | CA1106311A1 Method for reducing the monomer content in styrene and acrylonitrile |
| 06/24/1981 | EP0030858A1 Method and apparatus for fabricating flexible recording discs with improved thermal and hygroscopic stress characteristics |
| 06/23/1981 | US4275107 Heating while keeping out of contact with any surface |
| 06/23/1981 | US4274932 Polypropylene |
| 06/17/1981 | EP0030285A2 Process for preparing films or coatings |
| 06/16/1981 | CA1102988A1 Polymeric materials |
| 06/09/1981 | US4272618 Chain extended polyetherurethane copolymers, cured |
| 06/09/1981 | US4272472 Method and apparatus for grooved section manufacture |
| 06/09/1981 | US4272235 Method and apparatus for folding and sealing a floppy disc envelope |
| 04/29/1981 | EP0027532A1 Process for producing plastics keyboard buttons provided with different characters |
| 04/28/1981 | US4264661 Crosslinking in mold by irradiation |
| 04/28/1981 | US4264558 Method of producing plastic containers for storage of goods under pressure |
| 04/21/1981 | CA1099663A1 Process for producing hydrophilic silicone contact lenses |
| 04/21/1981 | CA1099622A1 Sealing cross-linked thermoplastic materials |
| 04/16/1981 | WO1981000984A1 Bottle-shaped container of orientation-molded polypropylene resin and method of molding the same |
| 04/07/1981 | US4260873 Electrically heated hand held vaporizer for vapor polishing plastic surfaces |
| 04/07/1981 | US4260567 Shrinkage reduction of blow molded oriented pet bottle |
| 04/07/1981 | CA1098863A1 Morphology stabilization of heterogeneous blends |