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. 30, 2010
Filed:
Dec. 17, 2004
Ikuo Shimizu, Tokyo, JP;
Motoharu Kinugasa, Minoh, JP;
Katsumi Ukai, Yokkaichi, JP;
Kyowa Hakko Chemical Co., Ltd., Tokyo, JP;
Abstract
The present invention provides a filter for electronic display devices, comprising a squarylium compound represented by General Formula (I): [wherein X represents a group represented by following Formula (A): (wherein R, R, R, and Rmay be the same or different and each represents a hydrogen atom, a halogen atom and the like; and Rand Rmay be the same or different and each represent a hydrogen atom, an alkyl group optionally having substituent(s) and the like) and the like; and Y represents a group represented by following Formula (C): (wherein Rrepresents a halogen atom, an alkyl group optionally having substituent(s) and the like; and Rrepresents a hydrogen atom, an alkyl group optionally having substituent(s) and the like) and the like, and 'n' represents an integer of 0 to 5].