| Patents for B29L 7 - Flat articles, e.g. films or sheets (7,747) |
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| 02/06/1990 | US4898924 Process for the production of biaxially oriented rigid rod heterocyclic liquid crystalline polymer films |
| 01/31/1990 | EP0353064A2 Method and apparatus for feeding a plurality of molten resin jet streams into T die |
| 01/31/1990 | EP0352765A2 Process for preparing membranes from tetrahalobisphenol polycarbonates |
| 01/31/1990 | CN1006616B Method and equipment for producing tubular thermoplastic resin film with rough inner-surface |
| 01/24/1990 | EP0351886A1 Process for the preparation of polycarbonate films with altered optical characteristics |
| 01/24/1990 | EP0351744A2 Improved very low density polyethylene film from blends |
| 01/24/1990 | CN1006538B Flat-folding and discharging device for plastic flexible tube film web produced by blowing process |
| 01/23/1990 | US4895912 Stretched poly(arylene thioether-ketone) films and production process thereof |
| 01/17/1990 | EP0351151A2 Production of polyethylene materials having improved strength and modulus qualities |
| 01/17/1990 | EP0350859A2 Low-temperature heat-shrinkable film |
| 01/16/1990 | US4894419 Biaxially-stretched film made of poly(arylene sulfide) resin composition and production process thereof |
| 01/10/1990 | EP0350179A1 Manufacturing portable electronic tokens |
| 01/10/1990 | EP0349960A2 Shrinkable polyester film |
| 01/09/1990 | US4892608 Automatic transverse splicing device for uncured elastomeric sheet material |
| 01/02/1990 | US4891173 Clarity, waterproofing |
| 01/02/1990 | US4890365 Apparatus for heating film webs simultaneously in two axial directions |
| 12/28/1989 | WO1989012871A1 Manufacturing portable electronic tokens |
| 12/28/1989 | WO1989012550A1 Multiaxially oriented thermotropic polymer substrate for printed wire board |
| 12/28/1989 | WO1989012547A1 Multiaxially oriented thermotropic polymer films and method of preparation |
| 12/28/1989 | WO1989012543A1 Method and apparatus for drawing film |
| 12/27/1989 | EP0348115A2 Silk-like films |
| 12/20/1989 | EP0347062A2 Heat-resistant stretched film and production process thereof |
| 12/20/1989 | EP0346926A2 Wholly aromatic polyester film and process for production thereof |
| 12/14/1989 | WO1989012072A1 Biaxially oriented ordered polymer films |
| 12/13/1989 | EP0345927A2 Synthetic rubber bale wrap |
| 12/12/1989 | US4886705 Polyphenylene sulfide film |
| 12/06/1989 | EP0344860A1 Process and device for the preparation of continuous objects of plastic |
| 11/29/1989 | EP0343960A2 Process for preparation of thermoplastic resin sheets |
| 11/29/1989 | EP0343647A2 Polypropylene-based resin composition and process for preparation of sheets comprising the resin composition |
| 11/29/1989 | EP0343211A1 Polypropylene films |
| 11/29/1989 | CN1037479A Process for manufacturing poly-epsilon-caproamide film |
| 11/28/1989 | US4883551 Incorporating strands of binding material for reinforcement |
| 11/23/1989 | EP0342897A2 Polymeric films |
| 11/23/1989 | EP0342193A1 Process and apparatus for compressive transverse stretching of polymeric sheet material |
| 11/16/1989 | WO1989010839A1 Low coefficient of friction oriented film |
| 11/16/1989 | WO1989010828A1 Methods of producing biaxially oriented polymer product, and the product produced thereby |
| 11/16/1989 | DE3908690A1 Process for the production of a biaxially stretched poly- epsilon -caproamide film |
| 11/14/1989 | US4880589 A homopolymer or copolymer of 4-methylpentene |
| 11/08/1989 | EP0341188A2 Polyolefin films having improved barrier properties |
| 11/08/1989 | EP0340335A2 Method and apparatus for cooling in the manufacture of bioriented sheets from thermoplastics of high or medium molecular weight |
| 11/07/1989 | US4878973 Protecting photomask |
| 10/25/1989 | EP0338575A2 Birefringent transparent film and process for producing the same |
| 10/25/1989 | EP0338350A2 Dusting treatment agent, dusting-treated thermoplastic film, and method of dusting treatment for the film |
| 10/24/1989 | US4876137 Polyethylene naphthalate film for high-density magnetic recording media of floppy disk |
| 10/17/1989 | US4874657 Compression, spreading, controlling temperature |
| 10/17/1989 | US4874567 Microporous membranes from polypropylene |
| 10/11/1989 | EP0336556A2 Filaments or films of polyethylene terephthalate |
| 10/10/1989 | US4873270 Polyurethane-carbohydrate-based substances which can be calendered to produce biodegradable materials |
| 10/10/1989 | US4873034 Cooling polyolefin solution before extrusion to form gel-like sheet; extracting the volatile solvent, stretching |
| 10/04/1989 | EP0335614A2 Heterogeneous membranes from highly filled thermoplastic orientable polymers |
| 10/03/1989 | US4871784 Minute-cellular polyester film |
| 10/03/1989 | US4871579 Process and device for spraying a reaction mixture capable of forming a transparent protective layer of high optical quality |
| 10/03/1989 | US4871506 Polyvinylidene fluoride, polyethylene; blow extrusion |
| 10/03/1989 | US4871493 Process and apparatus for extrusion of thermoplastic resin films |
| 09/27/1989 | EP0334499A2 A prepreg sheet |
| 09/27/1989 | EP0334249A2 Method of making a laminate |
| 09/26/1989 | US4870148 Alkali-soluble protective packaging |
| 09/26/1989 | US4870147 Molecular orientation after swelling in solvent |
| 09/26/1989 | US4870122 High density polyethylene film for food packaging |
| 09/26/1989 | US4869863 Method of and apparatus for tubularly drawing thermoplastic resin |
| 09/26/1989 | US4869861 Process for producing a shaped and drawn aromatic imide polymer article |
| 09/26/1989 | CA1261211A1 Method for surface treatment of film |
| 09/20/1989 | EP0333492A2 Heat shrinkable wraps |
| 09/20/1989 | EP0333284A1 Process for preparing non-porous membrane layers |
| 09/19/1989 | US4867937 Process for producing high modulus film |
| 09/19/1989 | US4867881 Orientied microporous film |
| 09/19/1989 | US4867055 Guard for the nips of rolls in calenders |
| 09/13/1989 | EP0332315A2 Extruded polymeric film with adhering strips and method and apparatus for producing same |
| 09/12/1989 | US4865898 With specific light transmittance and surface roughness |
| 08/30/1989 | EP0330019A2 Raw materials and films with enhanced electrical properties made thereof |
| 08/22/1989 | US4859519 Method and apparatus for preparing textured apertured film |
| 08/22/1989 | US4859392 Process and device for the production of plastic films |
| 08/09/1989 | EP0327100A2 Process and apparatus for producing a synthetic resin film |
| 08/08/1989 | US4855187 Layers of polypropylene and high density polyethylene; gloss, haze-free; for packaging |
| 08/02/1989 | EP0326015A2 Substantially wrinkle-free, high modulus of elasticity, non-planar film and process for its manufacture |
| 07/27/1989 | WO1989006594A1 A method and an apparatus for producing a thinned plastics film and a reel of such a film |
| 07/26/1989 | EP0325295A2 Automatic transverse splicing device for green elastomeric sheet material |
| 07/26/1989 | EP0325292A2 Process for the continuous production of stiffened, thermomoldable, thermoplastic sheets and apparatus for carrying out said process |
| 07/26/1989 | EP0325151A2 Packaging foils, especially sausage casings, based on polyamide |
| 07/26/1989 | CN1034164A Polypropylene films |
| 07/26/1989 | CN1034163A Stretched styrene-based resin moldings and process for prodn. thereof |
| 07/19/1989 | EP0324263A2 Method of extrusion of compositions of linear polyethylene and polyacetal and films thereof |
| 07/18/1989 | US4848564 Synthetic rubber bale wrap |
| 07/11/1989 | US4846645 Bubble forming and stabilizing device for use in continuous extrusion process for making a blown film |
| 07/05/1989 | EP0323179A2 Poly(arylene sulfide) sheet and production process thereof |
| 07/05/1989 | EP0323128A2 Food packaging bag having excellent aroma retention |
| 07/05/1989 | EP0323043A2 Coextrusion method |
| 07/05/1989 | EP0322774A2 Process for the continuous preparation of reinforced thermoplastic sheets and apparatus for carrying out said process |
| 07/05/1989 | EP0322771A2 Image-receiving sheet for heat sensitive transfer |
| 07/05/1989 | EP0322621A2 Apparatus for simultaneous biaxial stretching |
| 07/04/1989 | US4844766 Process for continuous production of termoplastic webs |
| 07/04/1989 | US4844764 Concurrent curing of overcoat and adhesive |
| 06/27/1989 | US4842504 Lip heater for plastic extrusion die |
| 06/27/1989 | CA1256397A1 Method and apparatus for electron curing on a cooled drum |
| 06/27/1989 | CA1256272A1 Process for the performance of chemical reactions, more particularly for the manufacture of plastics by means of extruders and apparatus for the process |
| 06/27/1989 | CA1256256A1 Flattening and take-off apparatus for processing a plastic film web by blowmolding by means of a stationary film-blowing head |
| 06/21/1989 | EP0321215A2 Heat-resistant film and production process thereof |
| 06/15/1989 | WO1989005224A1 Method for making decorative webs, sheets or panels |
| 06/13/1989 | US4839129 Friction, chemical and solvent resistance; oil impregnation |
| 06/13/1989 | US4839125 Casting polymerizable methyl methacrylate material and light diffusing compound blend; compression |