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:
Jun. 02, 2015
Filed:
Jan. 14, 2011
Yasuo Tsunogae, Tokyo, JP;
Yoshihisa Takeyama, Tokyo, JP;
Yasuo Tsunogae, Tokyo, JP;
Yoshihisa Takeyama, Tokyo, JP;
ZEON CORPORATION, Tokyo, JP;
Abstract
There is provided a ring-opening polymer of cyclopentene wherein a cis ratio of the cyclopentene-derived structural units is 30% or more, a weight average molecular weight (Mw) is 100,000 to 1,000,000, and a functional group containing a structure represented by the general formula (1) or (2) is included at an end of the polymer chain.—Y—H  (1) (in the above general formula (1), Y represents an oxygen atom or a sulfur atom.)—NH-Q  (2) (in the above general formula (2), Q represents a hydrogen atom or a hydrocarbon group or a silyl group which may have a substituent group.)