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:
Apr. 20, 2021
Filed:
Aug. 29, 2016
Nec Corporation, Tokyo, JP;
Midori Shimura, Tokyo, JP;
Shukichi Tanaka, Tokyo, JP;
Kiyohiko Toyama, Tokyo, JP;
Masatoshi Iji, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
To provide a cellulose derivative excellent in thermoplasticity, water resistance and strength (elastic modulus, impact strength), a cellulose derivative, which is obtained by introducing a short-chain organic group (acetyl group), a medium-chain organic group having 3 to 5 carbon atoms and a long-chain organic group having 6 to 30 carbon atoms at the following substitution degrees DSs into a cellulose, is used: Short-chain organic group: 0.7≤DS≤1.5; Medium-chain organic group: 0.5≤DS≤2.0; Long-chain organic group: 0.1≤DS<0.5; and 2.4≤DS+DS+DS≤3.