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. 02, 2010
Filed:
Jan. 16, 2006
Applicants:
Ruud Van Belzen, Middleburg, NL;
Luc Vanmarcke, Lembeke, BG;
Erik Bijpost, Nieuwegein, NL;
John Van Der Hoeven, Utrecht, NL;
Inventors:
Ruud van Belzen, Middleburg, NL;
Luc Vanmarcke, Lembeke, BG;
Erik Bijpost, Nieuwegein, NL;
John van der Hoeven, Utrecht, NL;
Assignee:
Yara International ASA, Oslo, NO;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C05C 9/00 (2006.01); B01D 9/02 (2006.01); C08K 5/29 (2006.01);
U.S. Cl.
CPC ...
Abstract
Colorfast urea composition having reduced compressibility, cake formation and tendency of re-crystallization of the urea granulate, wherein the granulate further contains at least two different biodegradable polymers, of which at least one polymer is preferably a polyalkenyl amine compound. The other polymer is preferably polyaspartic acid or polyvinyl alcohol. The invention further relates to a process for the preparation of such a urea composition.