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:
Dec. 02, 1986
Filed:
Jun. 06, 1985
Applicant:
Inventor:
John S Chiang, Mercerville, NJ (US);
Assignee:
FMC Corporation, Philadelphia, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
204 82 ;
Abstract
The invention provides a process to manufacture fluoride-free potassium peroxydiphosphate on a commercial scale. The process comprises electrolyzing an alkaline anolyte containing potassium, phosphate, nitrate and hydroxyl ions at a platinum or noble metal anode. The catholyte is separated from the anolyte by a separating means permeable to at least one ion contained in the anolyte or catholyte.