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. 04, 1976
Filed:
Mar. 24, 1975
Applicant:
Inventors:
Richard E Hall, Trenton, NJ (US);
Sushil K Bhalla, Princeton, NJ (US);
Michael J McCarthy, Fanwood, NJ (US);
Assignee:
FMC Corporation, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423513 ;
Abstract
A process for the production of sodium and potassium peroxydisulfates by continuously reacting a 10 to 75 weight percent solution of the corresponding sodium or potassium hydroxide with a 20 to 70 weight percent solution or slurry of ammonium peroxydisulfate, at a temperature between 15.degree. and 45.degree.C and at a pH between 11 and 13. Air or an inert gas is passed through the reaction medium to remove ammonia and the product is recovered by conventional means, preferably by spray drying.