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:
Jan. 09, 2007
Filed:
Apr. 05, 2005
Applicants:
Tatsuhiko Osaki, Gamagori, JP;
Tetsuo Ichihashi, Sagamihara, JP;
Inventors:
Tatsuhiko Osaki, Gamagori, JP;
Tetsuo Ichihashi, Sagamihara, JP;
Assignees:
Takemoto Yushi Kabushiki Kaisha, Aichi, JP;
Teijin Dupont Films Japan Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/34 (2006.01); C08K 5/48 (2006.01); C07D 265/32 (2006.01); C07D 265/12 (2006.01); C07D 498/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ultraviolet radiation absorbent for thermoplastic polymer materials such as polyethylene terephthalate or polycarbonate contains cyclic imino ester compound of a specified structure in an amount of over 99.5 weight % and less than 100 weight % and having an acid value in the range of 1×10–1 and/or a chlorine ion content in the range of 1×10–1×10ppm.