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:
Jul. 17, 2007
Filed:
Dec. 23, 2005
Applicants:
Shinji Ohtomo, Tsukuba, JP;
Satoshi Okamoto, Tsukuba, JP;
Yoshikazu Takahashi, Tsukuba, JP;
Inventors:
Assignee:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An aromatic polyester film comprising a polymer having a repeating unit such as a unit derived from 4-hydroxy-carboxyphenyl is provided. The film is excellent in heat resistance and solvent resistance and can be obtained by a deposition polymerization method.