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:
Sep. 17, 2024
Filed:
Mar. 10, 2021
Ricoh Company, Ltd., Tokyo, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
An electrochromic element including a first electrode, second electrode facing the first electrode with gap, electrolyte layer between the first and second electrodes, and layer including a compound represented by General Formula (1) where the layer is on or above the first electrode, where Rto Rare each a monovalent organic group wherein no hydrogen atom is at a benzyl site where the monovalent group may include a polymerizable functional group; and Rto Rare each a hydrogen atom, alkyl or alkoxy group where Rand R, or Rand Rmay be bonded to form a structure represented by General Formula (2), where Rand Rare each an alkyl, alkoxy or aryl group, and Rand Rmay be bonded via a common bond to form a cyclic structure when Rand Rare aryl groups.