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:
Mar. 05, 2019
Filed:
Jul. 24, 2015
Shell Oil Company, Houston, TX (US);
Cyrille Paul Allais, Amsterdam, NL;
Klaas Jan Hutter, Pocatello, ID (US);
Rafael Alberto Garcia Martinez, Calgary, CA;
Charles James Ingoldsby, Calgary, CA;
Carlos Moreira Tomaz, Rio de Janeiro, BR;
Jason Trevor O'Brien, Pinkenba, AU;
SHELL OIL COMPANY, Houston, TX (US);
Abstract
A process for the manufacture of a urea-sulphur fertiliser composition, the process comprising providing feeds comprising elemental sulphur, urea, and optionally a surfactant, such as a multifunctional ionic surfactant; merging the feeds in order to obtain a combined feed; passing the combined feed through a mixing stage in order to obtain a mixed feed; and passing the mixed feed through a processing stage in order to obtain the urea-sulphur fertiliser composition. Compositions obtained by the process are also provided.