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Patent Searching and Data


Matches 401 - 450 out of 4,114

Document Document Title
WO/2005/023714A1
A novel clay film, which comprises a natural clay or a synthetic clay as a main component, exhibits uniform orientation of clay particle laminates, is excellent in flexibility, has a mechanical strength sufficient for use as a self-stand...  
WO/2004/094259A1
An improved extruded polypropylene sheet that contains a high level of beta crystallinity and a process for making such sheets are disclosed herein. The polypropylene sheet contains at least one layer of a resinous polymer of propylene a...  
WO/2004/078869A1
A polymeric film having a plurality of perforations (31a, 31b, 32a, 32b), which are specially structured and arranged is described. The polymeric film provides a strong, high-tensile strength material that permits hand tearing of the fil...  
WO/2004/065460A2
The invention relates to a method for increasing the surface tension of a substrate consisting of a thermoplastic polymer, whereby the surface of the substrate is fully or partially exposed to a plasma such that the surface tension is in...  
WO/2004/062873A1
A polyimide film is produced by adding a dehydrating reagent to a polyamic acid solution; subsequently casting the obtained solution over a support to thereby obtain a film; introducing the film together with the support in a reaction co...  
WO/2004/062904A1
A method of making an embossed optical sheet material (10) includes: providing an optically anisotropic, uniaxially oriented polymer substrate having a first surface and a second surface; heating a patterned tool using radiant energy fro...  
WO/2004/058488A1
A solvent band casting system and drying chamber therefor are described. The solvent band casting system includes a band casting machine including at least first and second rotating drums about which a continuous band is tensioned and tr...  
WO/2004/058405A1
Devices including resealable film (40) used to define the volume of one or more process chambers (50) in a sample processing device (10) are disclosed. The resealable films provide for controlled puncture, followed by resealing of the pu...  
WO/2004/056554A2
A solvent band casting system is disclosed in which a tank is to mix and/or agitate and/or store a polymer solution for a band casting machine having at least a first and a second rotating drums about which a continuous metal band is ten...  
WO/2004/055101A1
The invention relates to a flat film for thermoforming with high toughness, high stiffness and high transparency, comprising a polyolefin composition, which polyolefin composition comprises: A) a heterophasic propylene copolymer containi...  
WO/2004/043666A1
A process for producing a porous film, comprising casting a polymer solution over a substrate so as to form a film and converting the film to a porous film according to the phase conversion technique, wherein the polymer and the substrat...  
WO/2004/037508A1
A heat-resistant film comprising at least any one of a polybenzazole, aramid, and polyamide-imide, which is produced by sandwiching a polymer solution between at least two supports, forming the solution into a thin film by means of rolls...  
WO/2004/033202A1
The invention relates to multi-layered films with surfaces, which have automatic-cleaning properties and also to a simple method for producing said films having automatic-cleaning surfaces. The inventive method is very simple and can use...  
WO/2004/031270A1
An oriented polyimide film which has a high Young's modulus, satisfactory resistance to moist heat, and low hygroscopicity. The polyimide film consists mainly of pyromellitic acid units and of 30 to 99 mol% p-phenylenediamine units and 1...  
WO/2004/028780A1
Disclosed are a device and a method for producing film webs (7,17) from a film tube (1). Devices known in prior art comprise: - a flattening device (2) that is preferably provided with two flattening plates (12, 22) which are positioned ...  
WO/2004/027897A1
A film which slowly releases solids is prepared by dissolving cellulose in a solvent such as an alkali metal salt, for example L1Cl in a polar solvent such as DMAC, dispersing the solid in the solution and gelling the solution with water...  
WO/2004/026947A1
Production of a heat-resistant polymer film of high peel strength that excels in a balance of lengthwise and crosswise strengths. In particular, a polybenzazole film is produced through a process comprising extruding a rigid polymer solu...  
WO/2004/024420A1
Disclosed is a device for producing blown film tubes (3) that are provided with at least one self-cleaning surface. Said device has the following characteristics: - an extruder (1) supplying melted plastic; - a blow head (2) comprising a...  
WO/2004/020180A1
A phosphorescent film comprises a mixture of at least one thermoplastic polymer and at least one phosphorescent pigment, wherein the mixture has an electret charge. Multilayer phosphorescent films having an electret charge, and methods f...  
WO/2004/020222A1
The invention relates to a decorated object (7), especially a mobile telephone cover or the window of a mobile telephone, especially an IMD-enabled embossed film. The decorated object (7) comprises a base body (71) and at least one decor...  
WO/2004/014634A1
The invention relates to a method for the production of films in the thickness range of 20 µm 1,000 µm from thermoplastic plastics by extrusion of the plastic through a broad slot nozzle (4) and polishing of the melt film (5), escaping...  
WO/2004/013210A1
The invention relates to films based on thermoplastic polyurethane in a temporary shape. The thickness of the film in a permanent shape is at least 10 greater than the thickness of the film in a temporary shape.  
WO/2004/000553A1
Arrangement for manufacturing a web-shaped packaging laminate (9), comprising an extruder (3) arranged so as to extrude a film (5) of polymer material down into a nip between a cooling roll (1) and a counter-roll (2), and also means of i...  
WO/2003/086725A1
Disclosed is a method of manufacturing a multifunctional fiber-reinforced composite using a composite fiber mat and an apparatus for manufacturing the same, in which at least two types of thermoplastic fiber and reinforcing fiber are use...  
WO/2003/075375A2
A process for extruding a thin positive electrode sheet having at least 40% /wt of solid content for a lithium polymer battery through a single or twin screw extruder is disclosed as well as a positive electrode sheet produced therefrom....  
WO/2003/072338A1
A method of making a microporous laminate sheet having a first film layer and a second layer. The first film layer includes a pore initiator and is bonded to the second layer in order to form a laminate sheet. The laminate sheet is then ...  
WO/2003/057770A1
A method including forming a pseudo-gel of a semi-crystalline polymer material and a solvent. The pseudo-gel is shaped into a first form and stretched. A portion of the solvent is removed to create a second form. The second form is stret...  
WO/2003/057769A1
A method including forming a semi-crystalline polymer material into a lamella; and stretching the lamella into a polymer comprising a node of folded lamella and a fibril orientation. A method including extruding a pseudo-gel comprising a...  
WO/2003/055937A1
A heat-shrinkable resin film which has a heat shrinkage in the maximum shrinkage direction of 20% or higher when a 10 cm by 10 cm square sample cut out thereof is immersed in 85°C water for 10 seconds, pulled out, subsequently immersed ...  
WO/2003/049722A1
Disclosed is a continuous line process for making a pre-formed object having a plurality of surfaces comprising the steps of: (1) providing a sol phase of the composition (10) comprising a solvent and a gelling agent having a sol-gel tra...  
WO/2003/039841A1
A heat shrinking polyester film roll characterized by having (1) a heat shrinkage at 85°C, in a maximum shrinking direction of at least 20%, (2) a melt resistivity at 275°C of up to 0.70×108 &ohm ⋅cm, and (3) thickness distribution ...  
WO/2003/031504A1
A heat−shrinkable polyester film, characterized in that it has a specific composition, that it exhibits a heat shrinkage of 20 % or more in the direction of maximum shrinkage when a specimen of the polyester film in a 10 cm X 10 cm squ...  
WO/2003/024695A1
A polymer film, characterized in that it is obtainable by a method comprising extruding an isotropic solution of a liquid crystalline polymer being rigid and having high heat resistance, such as polybenzazole, in a solvent such as polyph...  
WO/2003/018672A1
Provided are a method for producing an optical compensating film, which comprises stretching a cellulose acetate film, the cellulose acetate film having a water content of 2.0 to 20.0 % by weight, wherein the cellulose acetate for the fi...  
WO/2003/006535A1
A polyglycolic acid molding comprising polyglycolic acid as the main component, in which the polyglycolic acid has a melt viscosity of 20 to 500 Pa·s, excluding 500 Pa·s, as measured at a temperature higher by 20°C than the melting po...  
WO/2002/100925A1
A method for the production of cellulosic flat films, comprising the steps of - shaping a solution of cellulose in an aqueous tertiary amine oxide into the form of a film by means of an extrusion die with an elongated extrusion gap - tra...  
WO/2002/100926A1
A method for the production of cellulosic flat films, comprising the steps of shaping a solution of cellulose in an aqueous tertiary amine oxide into the form of a film by means of an extrusion die with an elongated extrusion gap, - tran...  
WO/2002/098338A1
A vacuum formed film (26, 38, 50, 100), with desirable rewet properties and a desirable silky tactile impression or silky feel to a user, may have a plurality of cells (28, 42, 52, 104). The cells may be ellipse shaped, each having a maj...  
WO/2002/098344A1
Antithrombotic compositions containing an ionic complex composed of an organic cation mixture and heparin or a heparin derivative wherein the organic cation mixture is a mixture of at least two ammonium salts [provided that the case wher...  
WO/2002/094556A1
The present invention provides a process for effectively extruding a polypropylene polymer onto a cellulosic substrate. In the process, a polypropylene polymer is co-extruded with a polyolefin polymer other than polypropylene so as to st...  
WO/2002/090091A1
The present invention discloses methods of controlling the puncturability, and optionally the sealability (the ability of a film to conform around a puncturing object) and resealability (the ability of a film to close a hole made by a pu...  
WO/2002/087782A1
Invention pertains to technology of fabricating thin films or coatings, which possess anisotropic physical properties, and to devices for obtaining such films from colloid systems, in particular from lyotropic liquid crystals (LLP).Techn...  
WO/2002/081208A1
The invention relates to single or multi-layer transparent amorphous films, containing as the main constituent a crystallisable bibenzol-modified thermoplastic with preferably an increased diethylene glycol and/or polyethylene glycol con...  
WO/2002/072248A1
A microporous film being made of a polyethylene resin of a weight average molecular weight of less than 380,000 and having a porosity of 50 to 95 % and an average pore diameter of 0.01 to 1 $g(m)m, which comprises a framework of a three-...  
WO/2002/068512A1
A process comprising: a step in which a solution of a polyamic acid in an organic solvent is cast or applied on a substrate and then dried to produce a polyamic acid film which has been partly cured and/or partly dried; a step in which t...  
WO/2002/066227A1
Disclosed is a method of manufacturing a film (40) for a vacuum packing bag, by laminating, using laminating rolls (20, 20`), resin onto sheet (10) which is prepared in a conventional way, and winding the resin-laminated sheet. One of th...  
WO/2002/062577A1
The invention relates to a single or multi-layered, transparent, biaxially orientated and thermofixed, partially crystallised film made from crystallised thermoplastic which is the main component thereof. Said thermoplastic comprises an ...  
WO/2002/059192A1
A cellulose acylate film, characterized in that it comprises 1 to 99 vol % of a metal oxide having an average particle size of 1 to 400 nm. Said metal oxide preferably has a Mohs hardness of 7 or more, and preferred specific metal oxides...  
WO/2002/055386A2
A multilayer polymeric film having five layers (28, 22, 24, 26, and 30), wherein an antiblock additive and a slip additive may optionally and independently present in the layers. The film comprises layers (22 and 28) which comprise a ble...  
WO/2002/055592A1
A single- or multi-layered, white, biaxially-oriented and thermally-fixed, partially-crystalline film, with a crystallisable thermoplastic as main component and at least one layer containing barium sulphate and an optical brightener, whe...  

Matches 401 - 450 out of 4,114