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:
Dec. 31, 2024
Filed:
Apr. 25, 2019
Miyoshi Oil & Fat Co., Ltd., Tokyo, JP;
Tokai Optical Co., Ltd., Aichi, JP;
Koji Kawai, Tokyo, JP;
Kotaro Kaneko, Tokyo, JP;
Nobuhiro Kaneko, Tokyo, JP;
Yuichi Shishino, Aichi, JP;
Kuniyoshi Okamoto, Aichi, JP;
MIYOSHI OIL & FAT CO., LTD., Tokyo, JP;
TOKAI OPTICAL CO. LTD., Aichi, JP;
Abstract
Provided is an additive for imparting ultraviolet absorbency, or an additive for imparting a high refractive index, which has satisfactory compatibility with a resin serving as a matrix and can maintain high transparency even if added in high concentrations. Also provided is an additive with which the function of imparting both ultraviolet absorbency and a high refractive index can be realized by means of one kind of additive. This additive is represented by the following Formula (I):