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:
Inventors:
Michael J McCarthy, Lawrenceville, NJ (US);
John S Chiang, Mercerville, NJ (US);
Assignee:
FMC Corporation, Philadelphia, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
204 82 ; 204263 ;
Abstract
The invention provides a process to maintain the anolyte pH in the desired range while manufacturing potassium peroxydiphosphate on a commercial scale. The process comprises electrolyzing an alkaline anolyte containing potassium, phosphate, and hydroxyl ions at a platinum or noble metal anode optionally in the presence of a reaction promoter. The catholyte, an alkali metal hydroxide, is separated from the anolyte by a separating means permeable to anions permitting hydroxyl ions to be transferred into the anolyte thereby maintaining the pH of the anolyte in the desired range.