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:
Oct. 20, 2020
Filed:
Sep. 03, 2018
Fujifilm Corporation, Minato-ku, Tokyo, JP;
Takashi Kato, Shizuoka, JP;
FUJIFILM CORPORATION, Tokyo, JP;
Abstract
Provided are a protective sheet and a spectacle lens including at least one dye selected from the group consisting of a dye represented by Formula (1) and a dye represented by Formula (2), and application thereof. In Formula (1), Rto Reach independently represent a hydrogen atom, an alkyl group, an alkoxy group, or the like. In Formula (2), Rrepresents an alkyl group, an aryl group, a heterocyclic group, or the like, Rrepresents a hydrogen atom, a halogen atom, an alkyl group, or the like, and at least one of Ror Ris an alkyl group having 4 or more carbon atoms. n represents 0 or 1, and m represents an integer of 1 to 5.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile