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:
Nov. 20, 2001
Filed:
Mar. 06, 2000
Ieyasu Kobayashi, Sagamihara, JP;
Toshifumi Osawa, Sagamihara, JP;
Teijin Limited, Osaka, JP;
Abstract
A biaxially oriented laminate polyester film (1) has a first polyester layer having a thickness (t,) of 0.3 to 5 &mgr;m and a second polyester layer containing an inert fine particle lubricant and having a thickness (t,) of 1.5 to 9 &mgr;m, or (2) has a first polyester layer having a thickness (t,) of 2 to 8.5 &mgr;m and a second polyester layer containing an inert fine particle lubricant and having a thickness (t,) of 0.6 to 5 &mgr;m. The polyester of the second polyester layer may contain a recovered polyester having the same composition as a recovered laminate polyester film which is the biaxially oriented laminate polyester film or an unstretched film thereof.