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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.:

US 7063892 B1

PDFFull Text
Date of Patent:
Jun. 20, 2006

Filed:

Dec. 17, 2003

Aromatic liquid-crystalline polyester and film thereof

Applicants:

Satoshi Okamoto, Tsukuba, JP;

Tomoya Hosoda, Ibaraki, JP;

Shinji Ohtomo, Tsukuba, JP;

Inventors:

Satoshi Okamoto, Tsukuba, JP;

Tomoya Hosoda, Ibaraki, JP;

Shinji Ohtomo, Tsukuba, JP;

Assignee:

Sumitomo Chemical Company, Limited, Osaka, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Nathan M Nutter

Int. Cl.
CPC ...
B32B 25/08 (2006.01); B32B 25/12 (2006.01); B32B 27/00 (2006.01); B32B 27/06 (2006.01); C08G 63/00 (2006.01); C08F 63/06 (2006.01); C08F 2/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An aromatic liquid-crystalline polyester having a small dielectric loss in a wide frequency region is provided. An aromatic liquid-crystalline polyester is provided that can manufacture a film having a small volume expansion by heating. An aromatic liquid-crystalline polyester substantially comprising a repeating structural unit originating in 2-hydroxy-6-naphthoic acid 30 to 80 mol %, a repeating structural unit originating in aromatic diol 35 to 10 mol %, and a repeating structural unit originating in aromatic dicarboxylic acid 35 to 10 mol %.

Find Patent Forward Citations

Okamoto, Satoshi. (2006). Aromatic liquid-crystalline polyester and film thereof (U.S. Patent No. 7063892). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7063892

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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