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 8268953 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 18, 2012

Filed:

Sep. 30, 2008
Applicants:

Akimichi Oda, Iwakuni, JP;

Eiichi Kitazono, Iwakuni, JP;

Ryuji Nonokawa, Iwakuni, JP;

Takanori Miyoshi, Iwakuni, JP;

Inventors:

Akimichi Oda, Iwakuni, JP;

Eiichi Kitazono, Iwakuni, JP;

Ryuji Nonokawa, Iwakuni, JP;

Takanori Miyoshi, Iwakuni, JP;

Assignee:

Teijin Limited, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 64/00 (2006.01); C08G 63/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A process for the preparation of a polycarbonate containing a plant-derived component excellent in hue by using a plant-derived anhydrosugar alcohol represented by the following formula (1) or a composition thereof as a raw material: wherein Rto Reach independently represent a group selected from a hydrogen atom, an alkyl group, a cycloalkyl group and an aryl group.


Find Patent Forward Citations

Oda, Akimichi. (2012). Polycarbonate containing plant-derived component and process for the preparation thereof (U.S. Patent No. 8268953). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8268953

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