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:
Oct. 19, 2010
Filed:
Jun. 02, 2005
Applicants:
Ruud Van Belzen, Middelburg, NL;
Luc Vanmarcke, Lembeke, BE;
Inventors:
Ruud Van Belzen, Middelburg, NL;
Luc Vanmarcke, Lembeke, BE;
Assignee:
Yara International ASA, Oslo, NO;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C05C 9/00 (2006.01); C07C 273/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method of improving the crushing strength and reducing the dust formation and the caking tendency of urea particles by the addition of an organic compound to the molten urea, where at least one carbohydrate and optionally a polyvinyl compound is added to the urea. The invention also relates to a composition to be used as a urea additive.