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:
Feb. 12, 2019
Filed:
Jan. 07, 2015
Applicant:
Shell Oil Company, Houston, TX (US);
Inventors:
Rafael Alberto Garcia Martinez, Calgary Alberta, CA;
Cyrille Paul Allais, Amsterdam, NL;
Klaas Jan Hutter, Pocatello, ID (US);
Charles James Ingoldsby, Calgary Alberta, CA;
Carlos Moreira Tomaz, Rio de Janeiro-RJ, BR;
Assignee:
SHELL OIL COMPANY, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C05C 9/00 (2006.01); C05D 9/02 (2006.01); C05F 11/00 (2006.01); C05B 17/00 (2006.01); C05G 3/00 (2006.01);
U.S. Cl.
CPC ...
C05C 9/005 (2013.01); C05B 17/00 (2013.01); C05C 9/00 (2013.01); C05D 9/02 (2013.01); C05F 11/00 (2013.01); C05G 3/00 (2013.01);
Abstract
The present invention discloses a urea fertilizer having a lignin compound and elemental sulphur dispersed throughout the fertilizer and having improved hardness.