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:
May. 22, 2018
Filed:
Apr. 06, 2012
Applicants:
Pascal Metivier, Shanghai, CN;
Junli LI, Shanghai, CN;
Anne Mu, Shanghai, CN;
Inventors:
Assignee:
Rhodia Operations, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 3/32 (2006.01); C01B 25/165 (2006.01); C07C 211/63 (2006.01); C08K 5/19 (2006.01);
U.S. Cl.
CPC ...
C08K 3/32 (2013.01); C01B 25/165 (2013.01); C07C 211/63 (2013.01); C08K 5/19 (2013.01); C08K 2003/329 (2013.01);
Abstract
Disclosed is a process to produce a hypophosphite salt defined as [Chypophosphite] by reacting P4 with a hydroxide salt defined as [COH], or a hydroxide salt precursor and a catalyst, wherein Cis the cationic moiety of [Chypophosphite] salt.