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:
Jan. 16, 1979
Filed:
Dec. 06, 1976
Applicant:
Inventor:
Raimond Pals, Howell, NJ (US);
Assignee:
FMC Corporation, Philadelphia, PA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; C01B / ;
U.S. Cl.
CPC ...
423315 ; 423305 ;
Abstract
Finely divided sodium tripolyphosphate (STPP) particles are sprayed with water in an amount from about 36% to about 130% in excess of the amount stoichiometrically required for formation of sodium tripolyphosphate hexahydrate to form an agglomerated product which is then calcined to a temperature within the range of from about 320.degree. C to about 550.degree. C to produce a granular sodium tripolyphosphate product of low bulk density and low frangibility.