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. 08, 2020
Filed:
Feb. 02, 2016
Applicant:
Nissan Chemical Industries, Ltd., Tokyo, JP;
Inventors:
Tadayuki Isaji, Funabashi, JP;
Naoki Otani, Funabashi, JP;
Masahiro Ueda, Kyoto, JP;
Takayoshi Kawasaki, Kyoto, JP;
Assignee:
NISSAN CHEMICAL INDUSTRIES, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 11/65 (2006.01); C09K 11/08 (2006.01); C01B 32/184 (2017.01);
U.S. Cl.
CPC ...
C09K 11/65 (2013.01); C01B 32/184 (2017.08); C09K 11/08 (2013.01);
Abstract
Provided is a method for manufacturing a carbonaceous luminescent material in which a polycarboxylic-acid-containing starting material, an acid catalyst, and a solvent are mixed together and heated.