The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 12, 2012
Filed:
Jan. 28, 2008
Takashi Ueda, Mishima, JP;
Hideki Fujii, Otsu, JP;
Tatsuo Yoshida, Anpachi, JP;
Kozo Takahashi, Otsu, JP;
Masahiro Okuda, Otsu, JP;
Kazunori Tanaka, Otsu, JP;
Toshihiko Hiraoka, Otsu, JP;
Takashi Ueda, Mishima, JP;
Hideki Fujii, Otsu, JP;
Tatsuo Yoshida, Anpachi, JP;
Kozo Takahashi, Otsu, JP;
Masahiro Okuda, Otsu, JP;
Kazunori Tanaka, Otsu, JP;
Toshihiko Hiraoka, Otsu, JP;
Toray Industries, Inc., , JP;
Abstract
A white polyester film containing voids, wherein a resin constituting the film has a layer (layer A) formed by using a polyester resin and a cyclic olefin copolymerized resin, and wherein a void ratio taken in a cross-section of the layer is more than 25% and 75% or less and the average particle size of the cyclic olefin copolymerized resin in the film is 0.1 μm or more and 3 μm or less.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile