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Class 264/173.11 - Having three or more layers of at least two different compositions


Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes directed to forming
No. of patents: 81
Last issue date: 06/01/2010


1      
NumberTitleIssue Date
7727438Production method of polymer film
A primary dope is obtained by mixing a solvent and a polymer, and an additive is added to the primary dope, and thus a second dope for a main layer, a first dope for a contact layer and a third dope for an exposure layer are prepared. Only in the second dope is cont...
06/01/2010
7422711Method and apparatus for forming an extrusion
A method of forming an extrusion comprises passing a first, plastics material (12) through a first channel (104) in a die, passing a second, plastics material (14) through a second channel (112) in the die, and passing a third, plastics m...
09/09/2008
7405008Ionomer laminates and articles formed from ionomer laminates
The present invention includes a laminate and formation of a laminate having at least one layer of an ionomer and at least one layer of an acid polymer or blend of acid polymer and a thermoplastic polyolefin that can be thermoformed to form a shaped laminate. The sh...
07/29/2008
7387837Thermoplastic polyurethane composition and process for producing the same
The present invention provides a thermoplastic polyurethane composition which comprises an ethylene-vinyl alcohol copolymer and/or a polyamide, and a thermoplastic polyurethane, in which the retention of melt tension thereof, when kept in a molten state at 220° C. ...
06/17/2008
7378145Hot-embossable polyester film
The present invention relates to a transparent, hot-embossable, biaxially oriented polyester film having a base layer (B), an amorphous outer layer (A) with a coating on this outer layer (A), and a crystalline outer layer (c). The invention further relates to the us...
05/27/2008
7335424Ionomer laminates and articles formed from ionomer laminates
A co-extruded laminate of at least one layer of an ionomer and at least one layer of an acid polymer that can be thermoformed with a plastic substrate such as a polyolefin. The laminate can be pigmented to eliminate the need to paint the surface of the plastic subst...
02/26/2008
7320773Biodegradable laminate sheet and molded item from biodegradable laminate sheet
A biodegradable laminate sheet having as its object to provide a formed body superior in heat resistance, shock resistance, transparency and formability, and having non-stretched polylactic acid-family resin layer of which the crystallinity is 20% or less, and a lay...
01/22/2008
7273653Resin film and manufacturing method for the same, and resin laminated metal sheet using said resin film and manufacturing method for the same
A resin film of a two-layer-construction comprising: (a) a resin layer R1 including a non-stretched resin film which contains a thermoplastic polyester resin containing 3 to 30 percent by weight in a weight fraction in the entire resin of a granular resin with a gra...
09/25/2007
7255914Variable refractive index polymer materials
A new class of composite polymer films where the refractive index can be varied by simple compressive or extensive forces. The films are comprised of alternating layers of an elastomer and a glassy polymer or two different elastomers. When the layer spacing is much ...
08/14/2007
7238411Multilayered polyester film and process for producing the same
The present invention is a multilayer polyester film comprising a layer A and a layer B which are laminated alternately, the layer A constituting the outermost layer on both sides of the film, wherein (1) the layer A comprises a polyester A, and the layer B comprise...
07/03/2007
7198744Preparation of co-extruded multi-layered rubber composite and use as component of a tire
This invention relates to the preparation of a multi-layered rubber composite, said composite and a tire having a component prepared thereby. The multi-layered rubber composite is composed of at least two individual rubber compositions configured as at least three p...
04/03/2007
7108816Barrier and a method of manufacture thereof
This invention relates to a method of manufacture of a barrier, especially for electronic display devices, comprising the step of co-extruding a melt of at least one inorganic material with a melt of at least one organic material, wherein the at least one inorganic ...
09/19/2006
7105117Manufacturing method for increasing thermal and electrical conductivities of polymers
A method of manufacturing to increase the thermal and electrical conductivity of polymers includes layering a filled polymer with an unfilled polymer to produce a multi-layered system of alternating filled and unfilled polymer layers. The filler material comprises t...
09/12/2006
7090738Method of manufacturing membrane electrode assembly
A membrane electrode assembly having excellent electric power generating capability is produced from a base coated with first polymer electrolytic solution to form an undried first polymer electrolytic membrane. Undried first polymer electrolytic membrane is coated ...
08/15/2006
7083752Cellulose acetate films prepared by coating methods
A method of film fabrication is taught that uses a coating and drying apparatus to fabricate resin films suitable for optical applications. In particular, cellulose acetate films are prepared by simultaneous application of multiple liquid layers to a moving carrier ...
08/01/2006
7014800Method of producing bristles
Bristles for applying media are produced in that a filament, which can be cut into bristles, is extruded with a core which also determines the mechanical properties of the bristle. Cavities are formed at a separation from the center of the core and open towards the ...
03/21/2006
6998007Multilayer structure with intercrosslinked polymer layers
Disclosed is an intercrosslinked multilayer polymeric article having at least one thermoplastic polymer layer intercrosslinked by UV radiation at the interface with a core layer of a crosslinkable polymer. The selection of the thermoplastic polymer and the crosslink...
02/14/2006
6998084Co-extruded pigmented/clear coated polymeric coating for an article such as automotive exterior body panels
A colored coating for an article is provided including a first layer polymeric coating material with a transparent base which has been pigmented to a desired color and extruded, a second layer of transparent polymeric coating material which has been co-extruded with...
02/14/2006
6964816Packaging films containing coextruded polyester and nylon layers
Multilayer thermoformable structures for packaging film applications. The multilayer structures having at least a first layer of polyester, a second layer of a first adhesive and a third layer of a nylon blend formed into a flexible non-oriented film by coextrusion....
11/15/2005
6949113Barrier device for ostium of left atrial appendage
A membrane applied to the ostium of an atrial appendage for blocking blood from entering the atrial appendage which can form blood clots therein is disclosed. The membrane also prevents blood clots in the atrial appendage from escaping therefrom and entering the blo...
09/27/2005
6908686PEN-PET-PEN polymeric film
A polymeric film comprising a first layer which comprises (a) a mixture comprising 50-99.9% by weight polyethylene terephthalate (PET) and 0.1-50% by weight of polyethylene naphthalate (PEN) or (b) a copolymer comprising 50-99.9% by weight ethylene terephthalate uni...
06/21/2005
6893730Barrier film with reduced dynamic coefficient of friction
Oxygen barrier films having a greatly improved dynamic coefficient of friction, and specifically, oxygen barrier films having an exceptionally low dynamic coefficient of friction, reduced moisture sensitivity and good oxygen barrier properties over a wide range of r...
05/17/2005
6890884Thermal dye-transfer receiver element with microvoided layer
Disclosed is a thermal dye-transfer dye-image receiving element comprising a thermal dye-transfer receiver element comprising a dye-receiving layer 1; beneath layer 1, a microvoided layer 2 containing a continuous phase polyester matrix having dispersed therein a mi...
05/10/2005
6881361Method for producing shaped bodies
The invention relates to a method for producing shaped bodies, especially threads or foils, from at least one polymer of the groups consisting of polysaccharide, polysaccharide derivative or polyvinyl alcohol by forming a solution of the polymer that contains an add...
04/19/2005
6794050Transparent polyester film with enhanced water vapor barrier, its production and use
Transparent, biaxially oriented polyester films having a base layer composed of at least 5% by weight of a thermoplastic polyester and from 10 to 95% by weight of a cycloolefin copolymer having a glass transition temperature of less than 120° C., possess very good ...
09/21/2004
6780515Heat-absorbing layer system
A heat-absorbing system comprising at least a first layer (A) containing a ultraviolet absorber, a second layer (B) containing an organic infrared absorber and ultraviolet absorber and a third, interference layer (C) reflecting in the infrared range is disclosed. Th...
08/24/2004
6767618Multi-layered stretched resin film
A multi-layered stretched resin film comprises a base layer (A) comprising more than 90 wt % of a polyolefinic resin and less than 10 wt % of an inorganic fine powder and/or an organic filler; and an amorphous resin-containing layer (B), comprising 0 to 85 wt % of a...
07/27/2004
6677049Multi-layered, biaxially-oriented polyester film with an optimized electrical conductivity over its total thickness
The invention relates to a multi-layered biaxially-oriented film, mainly made of a crystallizeable thermoplastic polyester and economically produceable with a high surface quality, i.e. without pinning bubbles and without electric arcing and film breaks, ...
01/13/2004
6673425Method and materials for preventing warping in optical films
A multilayer optical body having improved dimensional stability is disclosed. The optical body includes an optical film, such as an oriented multilayer optical film, and a dimensionally stable layer, such as a transparent polycarbonate layer. In addition,...
01/06/2004
6673423Information-carrying moulded part
The invention relates to an information-carrying molded part containing one or more plastic layers, at least one of which bears an informative representation. A `molded part` is understood to be in particular a card such as `smart cards`, key cards, ident...
01/06/2004
6645584Compostable coated paper or paperboard, a method for manufacturing the same and products obtained thereof
The invention relates to compostable polymer coated paper or paperboard (1), a method for making the same and products obtained therefrom. According to the invention, a compostable biodegradable coating (3) of paper or paperboard (1) includes an outer lay...
11/11/2003
6562425Carrier release sheet for styrene molding process and process and system
This invention concerns a multilayer film useful as release sheet for sheet molding compounds, comprising a first skin layer, a second skin layer, a barrier layer for monomeric resins wherein the barrier layer is between the first and second skin layers a...
05/13/2003
6540949Bioriented polyethylene film with a high water vapor transmission rate
Methods of producing polyethylene films having a desired water vapor transmission rate (WVTR) are provided. The methods include casting a polyethylene sheet which has a base layer of a polyethylene and a cavitating agent, and at least one layer of a WVTR-...
04/01/2003
6524420Composite and process for making
A laminate composite is formed by forming a layer of a first thermoplastic resin in contact with a second compatible thermoplastic resin where the first layer comprising an acrylonitrile-butadiene-styrene layer and said second layer comprises a thermoplas...
02/25/2003
6478999Process of making adhesive tape
A manufacturing method of adhesive tape, by preparing a raw material of a biaxially or non-drawn, film or sheet on the back surface of which a release agent has been applied and to the which an adhesive agent has been applied, and subjecting the raw mater...
11/12/2002
6420019Multilayer, transparent, biaxially oriented polyester film
The invention relates to a coextruded, transparent, biaxially oriented polyester film having at least three layers, with at least one base layer B, at least 80% by weight of which is composed of a thermoplastic polyester, where an outer layer has been app...
07/16/2002
6355336Multi-layer packaging film
The present invention relates to a multi-layer packaging film comprising an intermediate layer having at least one outer layer on both surfaces of the intermediate layer, and having the thickness of not more than 40 μm, said outer layer comprising a polyolefi...
03/12/2002
6312823Compostable multilayer structures, methods for manufacture and articles prepared therefrom
A compostable multilayer film includes a core layer having a first surface and a second surface, a first blocking reducing layer covering the first surface of the core layer, and a second blocking reducing layer covering the second surface of the core lay...
11/06/2001
6282764Process for personalizing a mounting plate
A process for personalizing a mounting plate of a plurality of layers of a mounting plate material and a plurality of layers of fibrous material layered over the layers of mounting plate material, which involves joining the fibrous material layers to the ...
09/04/2001
6228505Medium density polyethylene film having unidirectional tear
The present invention is directed to biaxially oriented polymeric films. Specifically, the present invention is directed to biaxially oriented polyethylene films having unidirectional tear characteristics in machine direction and method thereof. The film ...
05/08/2001
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