| Patents for B29L 7 - Flat articles, e.g. films or sheets (7,747) |
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| 11/26/1991 | CA1292347C Process for reducing the density of an extruded foam board of a thermoplastic resin |
| 11/21/1991 | EP0457209A2 Method for the production of a thermoplastic film, film produced according to the method and composite safety glass produced by using the film |
| 11/21/1991 | EP0456912A1 Polyamide type laminated film |
| 11/21/1991 | EP0456759A1 Thermal process for stretch-orientation of polyaniline films and fibers |
| 11/14/1991 | WO1991017208A1 Use of metal soaps of polycarboxylic acids or polycarboxylic acid partial esters as processing aids for polyesters |
| 11/13/1991 | EP0456353A2 Polyolefin film |
| 11/13/1991 | EP0456176A2 Extrusion apparatus |
| 11/06/1991 | CN1055906A High barrier packages for smoking articles and other products |
| 11/05/1991 | CA1291615C Oriented elastomeric film and method of manufacture |
| 10/31/1991 | WO1991016668A1 Method and device for making photosensitive resin form plate |
| 10/31/1991 | WO1991016187A1 Apparatus for manufacturing cellulose acetate film |
| 10/30/1991 | EP0454333A1 Heat-shrinkable polypropylene film with improved printability |
| 10/30/1991 | EP0454003A1 High barrier packages for smoking articles and other products |
| 10/30/1991 | EP0453990A2 Method and apparatus for fabricating mouldings of thermotropic liquid crystalling materials |
| 10/30/1991 | EP0453958A2 Flat shaped article and process for its manufacture |
| 10/29/1991 | US5061571 Biaxially oriented polyester film |
| 10/29/1991 | US5061565 Comprising a biaxially-stretched polyester having a special energy of crystal fusion; thermosensitivity; resolution; sharpness; uniformity; materials handling |
| 10/23/1991 | EP0452947A2 Process for continuous production of polyolefin material |
| 10/23/1991 | EP0452814A1 Method of forming a plastic plate |
| 10/23/1991 | EP0452652A1 Method and apparatus for producing a sealing sheet on a calender |
| 10/22/1991 | US5059265 Controlling tightness od die bolt and temperature |
| 10/22/1991 | CA1290941C Film for heat-sensitive mimeograph stencil |
| 10/16/1991 | EP0451494A2 Calender for making sealing sheets |
| 10/09/1991 | EP0450088A1 Biaxially oriented polyethylene film |
| 10/08/1991 | US5056030 Apparatus for carrying out decoupling control of a t-die |
| 10/08/1991 | US5055568 Process for preparation of cellulose nitrate films |
| 10/08/1991 | US5054212 Gas-sealing device for web passage section located at treatment chamber wall |
| 10/02/1991 | EP0448953A2 Processing apparatus comprising an extruder and a calender for plates or sheets made from plastic or rubber |
| 10/01/1991 | WO1991015355A1 Composite materials and process |
| 10/01/1991 | US5053481 Polylactone copolymer of p-hydroxy-benzoic acis and 6-hydroxy-2-napnthoic acid anisotropic melt |
| 10/01/1991 | US5052916 Mold for the production of flat moldings of curable casting resins |
| 10/01/1991 | CA1289710C Stretched poly(arylene thioether-ketone) films and production process thereof |
| 09/25/1991 | EP0448259A2 Process for the extrusion of low density polyethylene |
| 09/25/1991 | EP0447952A2 Fire-proof plastic plate |
| 09/25/1991 | EP0447652A2 High slip stretched polypropylene film |
| 09/25/1991 | CN1014064B Process for producing porous film |
| 09/24/1991 | US5051481 Polyethylene and an ethylene-propylene copolymer stretched films |
| 09/24/1991 | US5051225 Method of drawing plastic film in a tenter frame |
| 09/24/1991 | US5051148 Device for welding synthetic resin sheeting |
| 09/21/1991 | CA2038188A1 Plastic sheet or plate with flameproofing means |
| 09/18/1991 | EP0447042A2 Stretched article having pearly gloss and process for preparing same |
| 09/17/1991 | US5049340 Process for making continuous films of ordered poly(ether ketone ketones) |
| 09/17/1991 | CA1288925C Biaxially stretched polyparaphenylene sulfide film |
| 09/15/1991 | WO1991013933A1 Polypropylene foam sheets |
| 09/10/1991 | CA1288725C .beta. PHASE PVF _FILM FORMED BY CASTING IT ONTO SPECIALLY PREPARED INSULATINGSUPPORT |
| 09/05/1991 | WO1991012952A1 Device for stretching and fixing sheeting |
| 09/05/1991 | DE4006440A1 Vorrichtung zum breitstrecken sowie fixieren von folienbahnen Apparatus for wide stretch and fixing of film webs |
| 09/05/1991 | DE4006402A1 High-slip, drawn polypropylene film, for transparent packaging - contains mixts. of poly-iso-butyl-methacrylate! and poly-methyl-methacrylate as antiblocking agent, with antistatics and lubricants |
| 09/04/1991 | EP0414778A4 Low coefficient of friction oriented film |
| 09/03/1991 | US5045620 Stretching Crosslinked Film |
| 08/29/1991 | WO1991012958A1 Fabric |
| 08/28/1991 | EP0443452A2 One-side roughened rolled plane body and production thereof |
| 08/28/1991 | EP0443393A1 Foam boards with high heat resistance and process for their preparation |
| 08/28/1991 | EP0442919A1 Device for welding plastic films. |
| 08/28/1991 | CN1054081A Polymeric film |
| 08/21/1991 | EP0442357A2 Process for the preparation of photopolymer plates |
| 08/21/1991 | CA2036001A1 Stretched article having pearly gloss and process for preparing same |
| 08/20/1991 | CA1287718C Method and apparatus for applying extruded profile and adjacent ribs to a traveling film web |
| 08/20/1991 | CA1287715C Process for producing blown film of butene-1 polymer |
| 08/18/1991 | CA2036409A1 Foam sheets of high heat distortion resistance |
| 08/15/1991 | CA2036302A1 Process for the manufacture of photopolymer plates |
| 08/14/1991 | EP0441027A2 Modified polyolefin film with stable twist retention, dead fold properties and barrier characteristics |
| 08/13/1991 | WO1991012125A1 Ultra soft cloth-like embossed plastic film |
| 08/13/1991 | US5039471 Strength in both longitudinal and lateral dimensions, rolling at oblique angle |
| 08/08/1991 | WO1991011489A1 Endless objects from acrylates |
| 08/08/1991 | WO1991011325A1 Conductive polymer blends and methods for making the same |
| 07/31/1991 | EP0438708A2 Foam boards with high heat distortion resistance |
| 07/26/1991 | CA2034020A1 Flat or tubular film based on cellulose hydrate, process for producing same and sausage products made therewith |
| 07/25/1991 | DE4001287A1 Local correction of blown film thickness using variable air flow |
| 07/24/1991 | EP0437942A2 Polymeric film |
| 07/24/1991 | EP0428568A4 Multiaxially oriented thermotropic polymer films and method of preparation |
| 07/23/1991 | CA1286827C Vinylidene chloride composition and film made therefrom |
| 07/23/1991 | CA1286467C Method and an apparatus for producing plastics material films |
| 07/20/1991 | CA2032767A1 Polymeric film |
| 07/16/1991 | US5032463 Very low density polyethylene film from blends |
| 07/16/1991 | CA1286073C Process for producing styrene resin foam |
| 07/11/1991 | CA2033831A1 Foam sheets of high heat distortion resistance |
| 07/10/1991 | EP0436152A2 Polyester film with nodule surface |
| 07/10/1991 | EP0436058A1 Process for producing plastic sheets with protuberances and plastic sheet with protuberances |
| 07/09/1991 | US5030409 End portion-treating method for synthetic resin film and device therefor |
| 07/09/1991 | US5030393 Method of producing thermoplastic polymer film |
| 07/09/1991 | US5030079 Roller die extrusion and calendering apparatus |
| 07/09/1991 | CA1285733C Biaxially stretched polyparaphenylene sulfide film and process for producing the same |
| 07/03/1991 | EP0435626A2 Opaque oriented polymeric film structure and method of preparing same |
| 07/03/1991 | EP0435411A1 Melt calender system with at least two calender rolls |
| 07/02/1991 | US5028691 Process of cooling a heated polyethylene terephthalate film |
| 07/02/1991 | US5028289 Process and apparatus for compressive transverse stretching of polymeric sheet material |
| 07/02/1991 | CA1285360C System for producing tubes |
| 06/26/1991 | EP0434494A1 Process for the fabrication of cast plate from thermoplastic resins |
| 06/26/1991 | EP0434404A2 A method and apparatus for producing a belt-like sheet |
| 06/26/1991 | EP0434323A2 Process for making continuous films of ordered poly(aryl-ether-ketone-ketones) |
| 06/25/1991 | US5026778 Polypropylene-based resin composition and process for preparation of sheets comprising the resin composition |
| 06/25/1991 | CA1285114C Extrusion system |
| 06/21/1991 | CA2029825A1 Polyester film with a nodule surface |
| 06/19/1991 | EP0432725A2 Biaxially oriented polyester film |
| 06/19/1991 | EP0432724A1 Biaxially oriented polyester film |
| 06/19/1991 | EP0432423A1 Method of controlling the film thickness of blown and axially, preferably biaxially stretched tubular films |
| 06/19/1991 | CN1052277A Mono-or biaxially drawn films |
| 06/14/1991 | CA2030843A1 Process of controlling the film thickness of blow-formed and axially and preferably biaxially stretched tubular films |
| 06/11/1991 | CA1284709C Process for producing a crosslinked and oriented polyethylene film |