Patent · US Active

Process for the production of hypophosphite salts

US9976010B2 · kind B2 · utility

0Cited by

3References

15Claims

0Family size

Assignee

RHODIA OPERATIONS · FR

Inventors

Pascal Metivier · Atlanta, US
Junli Li · Beijing, CN
Anne Mu · Shanghai, CN

Key dates

Filing date	Apr 6, 2012
Grant date	May 22, 2018
Priority date	—
Expiry date	Feb 26, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K2003/329
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Disclosed is a process to produce a hypophosphite salt defined as [C+ hypophosphite−] by reacting P4 with a hydroxide salt defined as [C+OH−], or a hydroxide salt precursor and a catalyst, wherein C+ is the cationic moiety of [C+ hypophosphite−] salt.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.