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:
Aug. 21, 2012
Filed:
May. 27, 2010
Applicants:
Tsutomu Takashima, Tokyo, JP;
Akira Shiibashi, Tokyo, JP;
Tsuyoshi Yamaguchi, Tokyo, JP;
Inventors:
Assignee:
JX Nippon Oil & Energy Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 216/16 (2006.01); C08F 210/10 (2006.01); C08F 4/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
An isobutylene-based polymer comprising a structural unit represented by the following formula (1): and a structural unit represented by the following formula (2): wherein X represents a divalent group; Y represents a substituted or unsubstituted alicyclic group having an unsaturated bond in the ring; and n represents 0 or 1.