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:
Feb. 22, 2011
Filed:
Feb. 04, 2005
Applicants:
Yoshitaka Yamakawa, Ibaraki, JP;
Makoto Higami, Ibaraki, JP;
Inventors:
Yoshitaka Yamakawa, Ibaraki, JP;
Makoto Higami, Ibaraki, JP;
Assignee:
JSR Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 315/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polyarylene having a structural unit shown by the following formula (1) is disclosed. wherein X and Y indicate a divalent organic group or a single bond, Z shows an oxygen atom or a sulfur atom, R represents at least one atom or group selected from the group consisting of a hydrogen atom, a fluorine atom, an alkyl group, and a fluorine-substituted alkyl group, a is an integer of 1 to 20, n is an integer of 1 to 5, and p is an integer of 0 to 10.