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:
Oct. 10, 2023
Filed:
Nov. 21, 2018
Applicant:
Rtx Corporation, Farmington, CT (US);
Inventors:
Zhongfen Ding, South Windsor, CT (US);
Georgios S. Zafiris, Glastonbury, CT (US);
Bart Antonie van Hassel, Weatogue, CT (US);
Catalin G. Fotache, West Hartford, CT (US);
Assignee:
RTX CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/41 (2006.01); C09D 5/08 (2006.01); C23F 11/10 (2006.01); C23F 11/18 (2006.01); C23F 13/06 (2006.01); C23F 13/14 (2006.01); C09D 7/61 (2018.01); C07C 59/265 (2006.01); C23F 13/00 (2006.01); C09D 5/00 (2006.01); C08K 3/10 (2018.01); C08K 3/24 (2006.01);
U.S. Cl.
CPC ...
C07C 51/412 (2013.01); C07C 59/265 (2013.01); C09D 5/00 (2013.01); C09D 5/084 (2013.01); C09D 7/61 (2018.01); C23F 11/10 (2013.01); C23F 11/18 (2013.01); C23F 11/187 (2013.01); C23F 13/005 (2013.01); C23F 13/06 (2013.01); C23F 13/14 (2013.01); C08K 3/10 (2013.01); C08K 3/24 (2013.01);
Abstract
A method of making cerium citrate includes combining cerium carbonate and citric acid to produce cerium citrate and carbon dioxide. The cerium citrate is substantially free of negative ions other than citrate. The cerium citrate can be used in a corrosion inhibitor composition.