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. 24, 2019
Filed:
Feb. 17, 2016
Sumitomo Chemical Company, Limited, Tokyo, JP;
Noriyuki Hida, Osaka, JP;
Haruki Okawa, Niihama, JP;
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Abstract
A compound serving as a dichroic pigment which has a maximum absorption wavelength in a range of 350 nm to 510 nm is represented by the following Formula (1): In Formula (1), Rrepresents a hydrogen atom or a C1-C20 alkyl group; Rthrough Rare substituents which are not hydrogen atoms and each independently represent a C1-C4 alkyl group; m, p, and q are each independently an integer of 0 to 2; and Ris (i) a C1-C10 alkyl group in which a hydrogen atom is substituted by at least one hydroxy group or (ii) a C1-C10 alkyl group which has carbon atoms and in which at least one —O— is inserted between the carbon atoms.