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:
Nov. 05, 2019
Filed:
Jul. 02, 2014
Applicant:
Shell Oil Company, Houston, TX (US);
Inventors:
Cyrille Paul Allais, Amsterdam, NL;
Rafael Alberto Garcia Martinez, Calgary, CA;
Klaas Jan Hutter, Pocatello, ID (US);
Charles James Ingoldsby, Calgary, CA;
Jason Trevor O'Brien, Pinkenba, AU;
Carlos Moreira Tomaz, Rio de Janeiro, BR;
Assignee:
SHELL OIL COMPANY, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C05B 17/00 (2006.01); C05B 1/04 (2006.01); C05B 7/00 (2006.01); C05B 13/06 (2006.01); C05D 9/02 (2006.01); C05B 19/00 (2006.01);
U.S. Cl.
CPC ...
C05B 17/00 (2013.01); C05B 1/04 (2013.01); C05B 7/00 (2013.01); C05B 13/06 (2013.01); C05B 19/00 (2013.01); C05D 9/02 (2013.01);
Abstract
A process for preparing a micronutrient-enriched phosphate-based fertilizer is disclosed. An aqueous fertilizer mixture comprising phosphoric acid and/or phosphate rock is prepared and optionally granulated in granulator unit. The pH of the fertilizer mixture is measured and controlled such that the pH is maintained within a predefined range.