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:
Jun. 18, 1985
Filed:
Mar. 26, 1984
Applicant:
Inventors:
Hossam A Abdel-Hehim, Rio de Janeiro, BR;
Wagner C Coelho, Rio de Janeiro, BR;
Gloria M Soares, Rio de Janeiro, BR;
Assignee:
Petroleo Brasileiro S.A. - Petrobras, Rio de Janeiro, BR;
Primary Examiner:
Int. Cl.
CPC ...
E05B / ;
U.S. Cl.
CPC ...
71 37 ; 71 34 ; 423308 ; 423312 ;
Abstract
A rapid, low temperature process for solubilizing phosphate rocks having high content of foreign matter or a low phosphorus content to obtain: (a) a slow release fertilizer of the NP type; (b) phosphoric acid of high concentration plus MAP; and (c) DAP.