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:
Jan. 21, 2020
Filed:
May. 04, 2018
Applicant:
National Institute for Materials Science, Tsukuba-shi, Ibaraki, JP;
Inventors:
Masanobu Naito, Tsukuba, JP;
Debabrata Payra, Tsukuba, JP;
Assignee:
NATIONAL INSTITUTE FOR MATERIALS SCIENCE, Tsukuba-shi, Ibaraki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 199/00 (2006.01); C09D 5/00 (2006.01); C09D 5/14 (2006.01); C23F 11/00 (2006.01); C09D 5/08 (2006.01); B05D 7/24 (2006.01);
U.S. Cl.
CPC ...
C09D 5/00 (2013.01); B05D 7/24 (2013.01); C09D 5/08 (2013.01); C09D 5/086 (2013.01); C09D 5/14 (2013.01); C09D 199/00 (2013.01); C23F 11/00 (2013.01);
Abstract
A method of forming anti-rust or anti-bacterial film includes mixing a predetermined liquid and a film-forming composition which contains a tannic acid derivative in which hydrogen atoms in at least 10% of hydroxyl groups of tannic acid are substituted by a chain hydrocarbon group having 10 to 16 carbon atoms, and removing the liquid.