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. 30, 1979
Filed:
Jun. 24, 1977
Applicant:
Inventor:
John B Sardisco, Shreveport, LA (US);
Assignee:
Pennzoil Company, Shreveport, LA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C05B / ; C05B / ;
U.S. Cl.
CPC ...
71 51 ; 2330 / ; 71 37 ; 71 52 ; 71 53 ; 423309 ; 423313 ; 423315 ;
Abstract
Potassium polyphosphate polymers having ratios of P.sub.2 O.sub.5 to K.sub.2 O which make them suitable as fertilizer products are prepared by reacting potassium fluosilicate also known as potassium silicofluoride with phosphoric acid and sulfuric acid at temperatures of about 250-500.degree. C.