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:
Mar. 01, 2022
Filed:
Jul. 13, 2018
Teijin Limited, Osaka, JP;
Kyosuke Yamada, Osaka, JP;
Manabu Matsui, Osaka, JP;
Takatsune Yanagida, Osaka, JP;
Kazuyoshi Ogasawara, Osaka, JP;
Kazunori Nunome, Osaka, JP;
Keisuke Sato, Osaka, JP;
Yasuhiko Tomonari, Osaka, JP;
TEIJIN LIMITED, Osaka, JP;
Abstract
The purpose of the present invention is to provide a thermoplastic resin that has a high refractive index and enables low birefringence and balanced heat resistance and moldability. This thermosetting resin includes repeating units represented by formula (1). (In the formula, the rings Z are the same or different and represent an aromatic hydrocarbon ring, Rand Rindependently represent a C1-C12 hydrocarbon group optionally including a hydrogen atom, a halogen atom, and an aromatic group, Arand Arrepresent a C6-C10 aromatic group optionally having a substituent, Land Lindependently represent a divalent linking group, j and k independently represent an integer of 0 or more, m and n independently represent 0 or 1, and W is at least one selected from the groups represented by formulae (2) and (3).) (In the formula, X represents a divalent linking group.)