| Patents for B29L 7 - Flat articles, e.g. films or sheets (7,747) |
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| 10/03/1990 | EP0390696A2 Apparatus for controlling thickness of film formed by melt extrusion |
| 10/03/1990 | EP0390191A2 Biaxially stretched polyester film and process for producing the same |
| 10/02/1990 | US4960636 Biaxially oriented polyester film for floppy disk |
| 09/26/1990 | EP0388942A2 Heat resistant polyamide film |
| 09/25/1990 | CA1274370A1 Early progressive junction extrusion system |
| 09/25/1990 | CA1274366A1 Bubble forming and stabilizing device for use in a continuous extrusion process for making a blown film |
| 09/19/1990 | EP0387814A2 Method for continuously producing resin films and apparatus therefor. |
| 09/19/1990 | EP0387651A2 Moulding device for fabricating flat parts of settable reaction resins |
| 09/12/1990 | EP0386707A2 Biaxially oriented polyester film |
| 09/12/1990 | EP0386484A2 Method for controlling the functional capability of the plastics extruder nozzles provided with cooling sections for manufacturing flat or tubular films |
| 09/11/1990 | US4955802 Blow-extruding a multilayer synthetic-resin tube |
| 09/04/1990 | US4954393 Multilayer; nylon and weldable plastic |
| 09/04/1990 | US4954306 Method and device for the manufacture of a sheet of polyvinylbutyral |
| 09/04/1990 | CA1273745A1 Interpolymers of ethylene and unsaturated carboxylic acids |
| 08/28/1990 | US4952363 Method of drawing film |
| 08/28/1990 | US4952271 Apparatus for forming an offset joint in flexible thermoplastic strap |
| 08/21/1990 | US4950348 Method for joining structural elements by heating of a binder |
| 08/21/1990 | US4950148 Apparatus for manufacturing silicone gel sheet |
| 08/14/1990 | US4948546 Using polymer dispersant for pigments |
| 08/14/1990 | US4948544 Process for the production of thin stretched films from polyolefin of ultrahigh molecular weight |
| 08/14/1990 | CA1272673A1 Rubber sheeting with integral adhesive edge |
| 08/09/1990 | WO1990008640A1 Thermal process for stretch-orientation of polyaniline films and fibers |
| 08/09/1990 | WO1990008636A1 Improvements in and relating to packaging |
| 08/08/1990 | EP0380830A1 Improvements in and relating to packaging |
| 08/01/1990 | EP0380028A2 Process for the production of low birefringent polymer films |
| 07/31/1990 | US4944972 Coextrusion apparatus, methods, and related films and packages |
| 07/31/1990 | US4944970 Packaging film, in particular a sausage casing, based on polyamide |
| 07/31/1990 | CA1272080A1 Reinforced flexible graphite sheet |
| 07/18/1990 | EP0378346A2 Microporous membrane from cold-rolled precursor films |
| 07/18/1990 | EP0377963A2 Process for the production of biaxially oriented rigid rod heterocyclic liquid crystalline polymer films |
| 07/17/1990 | US4941935 Process for high speed coating of substrates |
| 07/11/1990 | CA2005104A1 Process for the production of biaxially oriented rigid rod heterocyclic liquid crystalline polymer films |
| 07/04/1990 | EP0149601B1 Slip and block additives for olefin polymers |
| 07/03/1990 | US4939235 Biaxially oriented ordered polybenzothiazole film |
| 07/03/1990 | US4939232 Shrinkable polyester film |
| 07/03/1990 | US4938903 Highly intensive cooling process and apparatus for the production of biaxially oriented films of high- and medium-molecular-weight thermoplastics |
| 06/27/1990 | EP0374810A1 Extruded styrene polymer foam boards |
| 06/27/1990 | EP0374783A2 Heat shrinkable very low density polyethylene terpolymer film |
| 06/27/1990 | EP0374558A2 Method and apparatus for evenly distributing a flowing reactive mixture over a given width of a continuously moving substrate during the production of foam sheets |
| 06/26/1990 | US4937015 Method of manufacturing electrically conductive pressure-formed plates comprised of plastic material |
| 06/23/1990 | CA2003966A1 Extruded styrene polymer foam sheets |
| 06/20/1990 | EP0373725A2 Cellulosic fibrous aggregate and a process for its preparation |
| 06/20/1990 | EP0373231A1 Method of screen coating plastic sheets with hot melt adhesives, and use of the coated sheets |
| 06/20/1990 | CN1043090A Process for preparing membranes from tetrahalobisphenol polycarbonates |
| 06/19/1990 | US4935264 Discharging onto continuous substrate from die having linear outlet extending perpendicular to moving direction of substrate |
| 06/16/1990 | CA2005471A1 Cellulosic fibrous aggregate and a process for its preparation |
| 06/14/1990 | WO1990006339A1 Polystyrene foam containing carbon black |
| 06/13/1990 | EP0372424A2 Shrinkable copolyester film |
| 06/13/1990 | EP0372343A1 Polystyrene foam containing carbon black |
| 05/30/1990 | CN1008158B Early progressive junction extrusion system |
| 05/29/1990 | US4929357 Isocyanurate crosslinked polyurethane membranes and their use for the separation of aromatics from non-aromatics |
| 05/29/1990 | US4928622 Machine for applying adhesive to an elongate sheet material |
| 05/29/1990 | CA1269781A1 Olefin polymer compositions containing silicone additives and the use thereof in the production of film material |
| 05/23/1990 | EP0369658A2 Polypropylene stretched film |
| 05/22/1990 | US4927701 Sheet moulding compound and a top for it |
| 05/17/1990 | WO1990005060A1 Device for welding plastic films |
| 05/16/1990 | EP0368319A2 Process for producing biaxially oriented polyester film |
| 05/16/1990 | EP0368302A2 Process and apparatus for the production of foamed polyolefin sheets |
| 05/16/1990 | CN1042110A Method of and apparatus for drawing plastic film in tenter frame |
| 05/15/1990 | US4925612 Method for making a thin film of polymer |
| 05/09/1990 | CN1007882B Process and apparatus for mfg. plastic film, especially pvc-film, by calendering |
| 05/08/1990 | US4923647 Process for the vulcanization of laminar rubber products |
| 05/08/1990 | US4923551 Method for the production of composite plastic film |
| 05/08/1990 | CA2002419A1 Apparatus for welding plastic foils |
| 05/01/1990 | US4921652 Process for producing a porous film |
| 04/25/1990 | CN1007714B Hinged extrusion head for producing caoutchouc or plastic flat profile |
| 04/19/1990 | WO1990004112A1 Banded fastener devices particularly intended for fastening plastic film and the like to a net reinforcement, a method for producing the fastener devices, and a machine for applying the same |
| 04/19/1990 | WO1990003882A1 Biaxially oriented polyamide film and process for its production |
| 04/19/1990 | WO1990003464A3 Composite elastic necked-bonded material |
| 04/18/1990 | EP0364426A1 Banded fastener devices particularly intended for fastening plastic film and the like to a net reinforcement, a method for producing the fastener devices, and a machine for applying the same |
| 04/18/1990 | EP0364191A1 A method of joining structural elements by heating of a binder |
| 04/18/1990 | EP0363937A2 Process for making film |
| 04/18/1990 | EP0363919A2 Shape memory film |
| 04/17/1990 | US4917944 Multi-ply weatherable plasticizer-free sheet |
| 04/17/1990 | CA1267762A1 Process and device for producing a plastic sheet with high optical properties |
| 04/13/1990 | CA2000576A1 Method of joining structural elements by heating of a binder |
| 04/11/1990 | EP0362563A2 Thermally stable high performance dielectric film |
| 04/10/1990 | US4915894 Aromatic polyimide film and process for the preparation of the same |
| 04/10/1990 | CA1267517A1 Method for making free-flowing coated rubber pellets and pellet composition |
| 04/05/1990 | WO1990003464A2 Composite elastic necked-bonded material |
| 04/05/1990 | DE3833679A1 Process and apparatus for producing films from thermoplastic materials for thermoforming |
| 04/03/1990 | US4913867 Concurrent heating, applying stresses |
| 04/03/1990 | CA1267260A1 Polyvinyl butyral sheet roughness control |
| 03/27/1990 | US4911874 Process and apparatus for cooling a molten film extruded from a slot die into a cooling system |
| 03/27/1990 | US4911868 Slit extrusion die from which thermoplastic web is extruded |
| 03/20/1990 | US4910639 Raw material and film prepared therefrom, having improved electrical properties |
| 03/20/1990 | US4909971 Blend of thermoplastic orientable polymer and particle filler |
| 03/14/1990 | EP0358458A2 Method of making a thin film of polymer |
| 03/14/1990 | EP0358446A2 Oriented polyethylene film and production thereof |
| 03/13/1990 | US4908430 From 2,2-bis-phthalic acid anhydro-(4)-propane and 2,2-bis-(4-aminophenoxyphenyl)-propane |
| 03/13/1990 | CA1266551A1 Thin films of high-molecular polyethylene and process for their preparation |
| 03/07/1990 | EP0357071A2 Apparatus for carrying out decoupling control of a t-die |
| 03/07/1990 | EP0356646A1 Process for making a randomly patterned carpet from a rubber preform |
| 03/06/1990 | US4906429 Process for producing blown film of butene-1 polymer |
| 02/28/1990 | EP0355708A2 Process for preparing rolled heat-treated films or sheets |
| 02/28/1990 | EP0355214A1 Process for producing microporous ultra-high molecular weight polyolefin membrane |
| 02/27/1990 | US4904318 Method for manufacture of diaphragm and apparatus therefor |
| 02/20/1990 | US4902554 Vulcanized rubber article, method for production of same, and label to be used for the method |
| 02/13/1990 | US4900808 From alkali sulfides and aromatic dihalogen compounds |
| 02/13/1990 | CA1265764A1 Extrusion die for making flat products |