Patent · US Active

Cyclopentene ring-opening copolymer and method of producing the same

US11286339B2 · kind B2 · utility

0Cited by

4References

4Claims

0Family size

Assignee

ZEON CORPORATION · JP

Inventors

Hiroyuki Nitadori · Tokyo, JP
Shingo OKUNO · Tokyo, JP
Yasuo Tsunogae · Tokyo, JP

Key dates

Filing date	Mar 16, 2018
Grant date	Mar 29, 2022
Priority date	—
Expiry date	Oct 9, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G2261/76
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A cyclopentene ring-opening copolymer having a branch structure contains a structure in which at least four cyclopentene ring-opening polymer chains are linked via a branch-structural unit. At least part of the cyclopentene ring-opening polymer chains is terminally modified.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.