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:
Jun. 08, 2021
Filed:
Jun. 15, 2017
Applicant:
Nec Corporation, Tokyo, JP;
Inventors:
Kiyohiko Toyama, Tokyo, JP;
Masatoshi Iji, Tokyo, JP;
Midori Shimura, Tokyo, JP;
Shukichi Tanaka, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B 3/16 (2006.01); C08K 3/04 (2006.01);
U.S. Cl.
CPC ...
C08B 3/16 (2013.01); C08K 3/04 (2013.01); C08K 2201/005 (2013.01);
Abstract
A cellulose derivative obtained by substituting at least part of hydrogen atoms of hydroxy groups of a cellulose with an acyl group having 2 to 4 carbon atoms, a long-chain organic group having 7 or more carbon atoms and a high refractive-index organic group.