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:
Jan. 25, 2005
Filed:
Oct. 08, 2002
Nobuyuki Miyaki, Chiba-ken, JP;
Yoshikazu Miyamoto, Chiba-ken, JP;
Seiji Fukuhara, Chiba-ken, JP;
Toshihiro Ootsuki, Chiba-ken, JP;
Nobuyuki Miyaki, Chiba-ken, JP;
Yoshikazu Miyamoto, Chiba-ken, JP;
Seiji Fukuhara, Chiba-ken, JP;
Toshihiro Ootsuki, Chiba-ken, JP;
JSR Corporation, Tokyo, JP;
Abstract
A novel norbornene derivative represented by a general formula (1m) shown below is provided. By conducting a ring opening polymerization of this norbornene derivative, or by performing a subsequent hydrogenation following the ring opening polymerization, a ring opening polymer or a hydrogenated product thereof with an excellent low birefringence can be obtained.[wherein, at least one of Rto Ris a group selected from the group consisting of groups represented by a general formula (1-1) shown below and groups represented by a general formula (1-2) shown below][wherein, at least one of R, Rand Z is a group represented by the formula —C(O)O—].
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile