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Assignee: Mitsubishi Polyester Film Corporation


Location: Tokyo, JP
No. of patents: 35

NumberTitleIssue Date
7833614Biaxially stretched polyester film
The present invention relates to a biaxially stretched polyester film comprising a polyester layer A which comprises polybutylene terephthalate and at least one of a copolyester and an amorphous polyester, said biaxially stretched polyester film satisfying any one o...
11/16/2010
7410692Coated film
The present invention relates to a coated film comprising a polyester film and a coating layer provided on one side thereof, which coating layer is formed by applying a coating solution containing at least one binder resin (A), a polycarbodiimide compound (B) and a ...
08/12/2008
7223467Biaxially oriented laminated polyester film
A biaxially oriented laminated polyester film which is a co-extruded laminated polyester film comprising at least three polyester layers with the intermediate layer containing a dye which is substantially dissolved in polyesters, said film having on one side thereof...
05/29/2007
6984430Polyester film for release film
An object of the present invention is provide a polyester film useful as base for release film according to which when a ceramic slurry is applied on the release film, formation of pinholes in the ceramic slurry layer is suppressed prominently, and also when a ceram...
01/10/2006
6921580Polyester film for display
The present invention relates to a polyester film for display comprising: a polyester film substrate containing an ultraviolet light absorber; and a coating layer formed on at least one surface of said polyester film substrate, said polyester fi...
07/26/2005
6913820Polyester film
The present invention relates to a polarizing plate protective film base comprising a laminated film comprising a biaxially oriented polyester film and a coating layer provided on one side of said biaxially oriented polyester film,
07/05/2005
6879438Infrared filter
The present invention relates to an infrared filter comprising a biaxially oriented co-extruded film having at least three polyester layers comprising an intermediate polyester layer and the surface polyester layers on both sides of the said intermediate layer, ...
04/12/2005
6841254Coated film
The present invention relates to a coated film comprising a polyester film having a coat on at least one side thereof, obtained by applying on at least one side of a polyester film a coating solution containing (1) a self-emulsifiable isocyanate having repeating uni...
01/11/2005
6635356Packaging polyester film
The present invention relates to a polyester film for medicine wrapper or powder food wrapper having a surface resistivity of not more than 5×1012 Ω/cm2....
10/21/2003
6627308Release film
The present invention relates to a release film comprising: a polyester film; a coating layer formed on one surface of said polyester film; and a release layer formed on a surface of said coating layer which exhibits a residual adhesion rate of not less...
09/30/2003
6582813Biaxially oriented polyester film
The present invention relates to a biaxially oriented polyester film having at least one layer of a sea-island structure which satisfies the following formulae (1) and (2) at the same time, said film having a specific surface resistance of not more than 1...
06/24/2003
6485818Polyester film for imaging media
The present invention relates to a primer coated polyester film for imaging media which has a thickness of 40 to 200 μm, a haze of not more than 5%, and comprises a biaxially oriented polyester film support and at least one priming layer laminated on the...
11/26/2002
6455136Film for ink jet recording sheet
The present invention relates to a film for ink jet recording sheet comprising: a polyester film, a coating layer on the polyester film formed by applying a coating solution containing a polymer (A) having oxazoline groups on the surface of the polyester ...
09/24/2002
6403224Coated film
The present invention relates to a coated film comprising: a polyester film, a coating layer on said polyester film formed by applying a coating solution containing a polymer (A) on the surface of said polyester film, wherein said polymer (A) comprises a copol...
06/11/2002
6395209Deposited plastic film
The present invention relates to a deposited plastic film comprising: a deposited plastic film comprising: a plastic film; a coating layer which is formed on at least one surface of said plastic film and comprises a cured resin composition obtained by curing a resi...
05/28/2002
6361734Process for producing polyester composition
A process for producing a polyester composition, comprising polyester and a metal salt of an aliphatic carboxylic acid, whereby a metal salt and polyester are fed together into a vented extruder as a raw material. The raw material has a specific resistanc...
03/26/2002
6287667Polyester film and capacitor using the same
A biaxially oriented polyester film for capacitors, wherein the polyester film comprises a polyester containing 80 mol % or more polyethylene terephthalate units, has at least one coating layer composed of water soluble or water dispersible resin, and has...
09/11/2001
6242081Oriented laminated polyester film for pasting on car window
The present invention relates to an oriented laminated polyester film for pasting on car windows, comprising at least three layers including intermediate layer(s) being incorporated with a dye, which laminated polyester film satisfies the following condit...
06/05/2001
6235371Polyethylene-2,6-naphthalate film for capacitor
The present invention relates to a capacitor installed in the automobile engine room, comprising polyethylene-2,6-naphthalate film comprising polyethylene-2,6-naphthalate with an intrinsic viscosity (IV) of not less than 0.56 and having a degree of crysta...
05/22/2001
6235374Polyester film for decorative sheet
The present invention relates to a polyester film for a decorative sheet wherein said sheet comprises a picture-printed layer (B) and said polyester film (A) laminated on a substrate, said polyester film containing a color pigment in an amount of 0.1 to 30 ...
05/22/2001
6231955Biaxially oriented polyester film
The present invention relates to a biaxially oriented polyester film comprising a polyester containing 0.001 to 3.0% by weight of porous spherical silica particles and having a degree of deformation of said porous spherical silica particles of 1.2 to 5.0,...
05/15/2001
6228313Process for producing incompatible polymer-containing polyester film
The present invention relates to a process for producing a polyester film containing a incompatible polymer, comprising: using a vented twin-screw extruder having a material feed port and vents in the cylinder, and melt-extruding a substantially undried polyes...
05/08/2001
6217986Polyester film and decorative plate using same
A polyester film for a decorative plate of the present invention, comprises at least the said polyester film and a picture printed layer which are in turn laminated over a surface of a substrate, wherein the polyester film has a optical density of 0.1 to ...
04/17/2001
6180209Biaxially oriented polyester film
The present invention relates to a biaxially oriented polyester film containing 0.01 to 3.0% by weight of inorganic particles X and 0.001 to 1.5% by weight of crosslinked polymer particles Y, the particles diameters of said particles X and Y satisfying the fol...
01/30/2001
6165602Laminated polyester film
A laminated polyester film stretched in at least one direction, comprising: a polyester support, and at least one enhanced adhesion layer laminated on the polyester support, comprising a composition comprising: (1) an aromatic copolyester (A1) having a water-disper...
12/26/2000
6143408White laminated polyester film and imaging medium
The present invention relates to a white laminated polyester film comprising: a polyester base film having a transmission density of not less than 0.2 and hue b value of the surface thereof of not more than 2; and an adhesive layer laminated on at least one si...
11/07/2000
6136420Laminated polyester film
A laminated polyester film is disclosed which contains not more than 0.05% by weight of a fluorescent agent. The film comprises a fine cell-containing polyester film that contains 55 to 95% by weight of polyester and 5 to 45% by weight of an immiscible th...
10/24/2000
6130278Fine cell-containing polyester film
A fine cell-containing polyester film of the present invention comprises 70 to 97% by weight of a polyester and 3 to 30% by weight of a thermoplastic resin immiscible with polyester and produced by stretching at least one direction, the difference in glos...
10/10/2000
6096410Polyester film for decorative plate or decorative sheet
The present invention relates to a polyester film for decorative plate or decorative sheet, which comprises a base polyester film and a coating layer formed on at least one surface of said base polyester film, wherein said polyester film for decorative pl...
08/01/2000
6045905Polyester film for laminating metal can end substrate surface
The present invention relates to a coextruded laminated film for laminating the external surface of a metal can end substrate comprising: a polyester (A) layer having the ratio of the ethylene terephthalate units or ethylene naphthalate units to the whole este...
04/04/2000
6017612Polyester film for decorative plates or decorative sheets
The present invention relates to a decorative sheet comprising at least a polyester film layer and a picture-printed layer laminated on the polyester film layer, a migration value in the surface of the polyester film layer which contacts the picture-print...
01/25/2000
5998002High-density magnetic recording medium
The present invention relates to a magnetic recording medium comprising: as a support film a biaxially oriented polyester film comprising a polyester base film and a coating layer provided on the surface of the base film during the film forming process, and a magne...
12/07/1999
5976676Polyester film and decorative plate using same
A polyester film for a decorative plate of the present invention, comprises at least the said polyester film and a picture printed layer which are in turn laminated over a surface of a wood substrate, wherein the polyester film has a optical density of 0....
11/02/1999
5958659Polyester-based photographic support and process for producing the same
The present invention relates to a polyester-based photographic support comprising: a polyester film, and a coating layer formed thereon by applying a coating solution containing an aqueous polyester and an aqueous epoxy group-containing compound so as to ...
09/28/1999
5932320Polyester film for decorative plate or decorative sheet
The present invention relates to a polyester film for decorative plate or decorative sheet, which comprises a base polyester film and a coating layer formed on at least one surface of said base film, and which has an optical density of 0.1 to 5.0 and long...
08/03/1999
 
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