| Patents for B29C 71 - After-treatment of articles without altering their shape; Apparatus therefor (6,473) |
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| 04/05/1990 | DE3832284A1 Process and apparatus for thermally switching a body between a heating-up phase and a cooling-down phase for the treating of plastics |
| 04/04/1990 | EP0361865A2 Metallized breathable films prepared from melt embossed polyolefin/filler precursor films |
| 03/21/1990 | EP0359336A2 Device for microwave transmission |
| 03/20/1990 | US4909896 Process for producing contact lens |
| 03/07/1990 | EP0356956A2 Single ply reinforced thermoplastic composite |
| 03/06/1990 | US4906309 Process for the heat treatment of insulating material |
| 02/28/1990 | EP0355876A1 Process for controlling the curl of photographic film |
| 02/28/1990 | EP0355708A2 Process for preparing rolled heat-treated films or sheets |
| 02/28/1990 | EP0355280A2 Process for producing a torsional vibration damper |
| 02/27/1990 | US4904425 Method of reducing tension in webs of thermoplastic material |
| 02/20/1990 | US4902378 Polymer with reduced internal migration |
| 02/06/1990 | US4898924 Process for the production of biaxially oriented rigid rod heterocyclic liquid crystalline polymer films |
| 02/06/1990 | US4898703 Utilization of polyester in place of lead for use as a sheathing material for curing long length hose |
| 01/24/1990 | EP0351886A1 Process for the preparation of polycarbonate films with altered optical characteristics |
| 01/16/1990 | US4894107 Process for making multiple layer polymeric films |
| 01/09/1990 | US4892692 Polycarbonates |
| 01/03/1990 | EP0349155A2 Process for producing crosslinked polyolefins |
| 12/28/1989 | DE3820975A1 Process for producing plastic films provided with perforations |
| 12/27/1989 | CA1264045A1 Polyethylene heat-shrinkable article formed by irradiating and stretching gelled extrudate |
| 12/26/1989 | US4889247 Plastic container, preform for and method of making same |
| 12/14/1989 | DE3820011A1 Method for the specific alteration of refractive indices in polymeric materials |
| 11/29/1989 | CN1037478A Polyamide moulded article and process for production thereof |
| 11/21/1989 | CA1263097A1 Irradiating and stretching extruded polyethylene gel-state article |
| 11/16/1989 | WO1989011073A1 Fluidized bed or bubble layer chamber, processing tower and two-stage process |
| 11/15/1989 | EP0341753A2 Method for preparing a high strength sheet material |
| 11/15/1989 | EP0341706A2 Moulded article made of a vinylidene fluoride copolymer, and process for its preparation |
| 11/15/1989 | CN2047625U Automatic heat-processor of resin for stomatology |
| 11/08/1989 | EP0340818A1 Polyamide moulded article and a process for the production thereof |
| 11/07/1989 | US4879444 Apparatus for the heat treatment of insulating materials using microwave energy and hot gas |
| 11/07/1989 | US4879176 Surface modification of semicrystalline polymers |
| 10/31/1989 | US4877562 Rotating mixture of powdery plastics and catalyst, heating, irradiation, crosslinking |
| 10/24/1989 | US4875956 Preshrinkage, machining, and polishing |
| 10/19/1989 | WO1989009795A1 A process for improving the hydrophilic properties on polymer surfaces |
| 10/18/1989 | EP0337405A2 Nonlinear optical medium with a stable noncentrosymmetric polymeric structure |
| 10/04/1989 | EP0335014A1 Moulded polyamide article |
| 10/03/1989 | US4871499 Method of molding a flexible tube of low thermal longitudinal coefficient of expansion |
| 09/27/1989 | EP0334073A2 Method and apparatus for producing formed plastic sheets |
| 09/26/1989 | CA1261299A1 Radiation crosslinking copolymer of ethylene and vinyl acetate with polyisobutylene for skin barrier |
| 09/26/1989 | CA1261211A1 Method for surface treatment of film |
| 09/26/1989 | CA1260741A1 Elastomeric optical waveguide |
| 09/20/1989 | EP0333492A2 Heat shrinkable wraps |
| 09/19/1989 | US4868006 Polyethylene terephthalate, radiation to melt surface layer, crystallization |
| 09/07/1989 | DE3905412A1 Process for improving the heat resistance of mouldings or thermoplastic materials |
| 09/06/1989 | EP0331090A2 Process for producing contact lens |
| 09/06/1989 | EP0330705A1 Process and apparatus for the treatment of articles with electronic and/or electromagnetic irradiation under inert gas |
| 09/06/1989 | CN1035308A Articles of highiy oriented polyolefins of ultrahigh molecular weight, process for their maufacture, and their use |
| 09/05/1989 | US4863648 Dissolving polymeric material, shaping, applying direct current; free of induced orientation |
| 08/29/1989 | US4861249 Apparatus for thermally treating tape |
| 08/29/1989 | US4860665 Method for producing a bellows structure |
| 08/22/1989 | US4859380 Method and apparatus for producing fiber-reinforced rubber hose |
| 08/15/1989 | US4857247 Method for drawing thermoplastic tubing |
| 08/15/1989 | US4857127 Controlled heating while pressing; partial melting |
| 08/15/1989 | CA1258406A1 Heat treating process and device for insulating materials |
| 08/02/1989 | EP0326015A2 Substantially wrinkle-free, high modulus of elasticity, non-planar film and process for its manufacture |
| 08/01/1989 | US4853253 Method of activating surface of shaped body formed of synthetic organic polymer |
| 08/01/1989 | US4853163 Method of controlling discharge of stored electric charge in plastic objects and forming Lichtenberg figures in plastic objects |
| 07/26/1989 | EP0325125A2 Styrene-based polymer moldings and process for production thereof |
| 07/20/1989 | DE3800429A1 Process for incorporating additives into plastics |
| 07/13/1989 | DE3844232A1 Apparatus and process for crosslinking polymer materials with the aid of electrons |
| 07/11/1989 | US4847033 Process for improving dimensional stability of polymeric films useful in optical disk assemblies |
| 07/11/1989 | US4846656 Apparatus for heat treatment of preform necks |
| 07/05/1989 | EP0323179A2 Poly(arylene sulfide) sheet and production process thereof |
| 06/28/1989 | EP0322196A2 Oriented polymeric films and process for enhanced orientation of polymeric films |
| 06/14/1989 | EP0320434A1 Automatic manufacturing device and process for coiled cords |
| 06/06/1989 | US4836971 Method for manufacturing heat resistant PET containers |
| 05/31/1989 | EP0318348A1 Method and apparatus for producing plastic sheets having a high optical quality |
| 05/31/1989 | EP0317817A2 Method of making a blow-moulded container from a thermoplastic polyester, especially PET |
| 05/30/1989 | US4835245 Biaxially oriented polyoxymethylene film |
| 05/24/1989 | EP0316992A1 Poly(lactic acid) article, particularly useful as a bis-resorbable prosthesis, and method for its production |
| 05/24/1989 | EP0316512A2 Accordion folded laminate of fiber sheet reinforced with thermoplastic film |
| 05/24/1989 | EP0316365A1 Process for making polarized material and polarized products |
| 05/23/1989 | US4832772 Method for surface treatment of film |
| 05/23/1989 | US4832017 Breathing mask |
| 05/16/1989 | US4830873 Polysiloxanes |
| 05/16/1989 | US4830810 Method of blow molding and fluorinating plastic containers |
| 05/16/1989 | US4830806 Method and device for the manufacture of a high optical quality transparent sheet or plastic |
| 05/11/1989 | DE3737073A1 Process for joining moulded polyolefins to rubber |
| 05/10/1989 | EP0315223A1 Expandable and contractable panel |
| 05/03/1989 | CN1032640A Method for baking finish or vacuum deposition film on fiberglass articles |
| 04/20/1989 | WO1989003297A1 Method of bonding plastics |
| 04/18/1989 | US4822451 Process for the surface modification of semicrystalline polymers |
| 04/18/1989 | US4822327 Jacket for a flexible magnetic disk and production of the jacket |
| 04/12/1989 | EP0311197A2 Articles of highly oriented polyolefins of ultrahigh molecular weight, process for their manufacture, and their use |
| 04/06/1989 | DE3831416A1 Process for the treatment of the surface of an article moulded from polypropylene resin |
| 03/29/1989 | EP0309073A2 Composite breathable housewrap laminates |
| 03/22/1989 | EP0308106A2 Polyolefin films with improved oxygen transmission |
| 03/14/1989 | US4812274 Heating and melting exterior surface only; then cooling to give uniform crystal structure through out |
| 03/07/1989 | US4810566 Highly crystallized molded polyarylene thioether and process for producing it |
| 03/07/1989 | US4809876 Container body having improved gas barrier properties |
| 03/07/1989 | US4809612 Use of radiation-crosslinked polyethylene |
| 03/07/1989 | US4809446 Blower arrangement for blowing a treatment medium onto a longitudinally moving material web |
| 03/07/1989 | CA1250721A1 Dimensionally stable thermoplastic open-ended tubular articles |
| 03/01/1989 | EP0304885A2 Method of making a biaxially oriented and heat-set container |
| 02/28/1989 | US4808468 Reduced residual concentration of volatiles; improved adhesion |
| 02/28/1989 | US4808352 Crystalline vinylidene fluoride |
| 02/28/1989 | US4808351 Process for manufacturing a molded prosthetic device |
| 02/28/1989 | CA1250413A1 Method and apparatus for heat treating a heat- shrinkable tape-like object |
| 02/22/1989 | EP0304385A1 Device for the heat-treatment of the necks of preforms |
| 02/15/1989 | CN1003305B Waterproof layers |
| 02/15/1989 | CN1003293B Method and apparatus for thermally treating tape |