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:
Jul. 16, 1991
Filed:
May. 25, 1990
Applicant:
Inventors:
Michael E Sanford, Wausau, WI (US);
Scott E Davis, Schofield, WI (US);
Assignee:
Daishowa Chemicals, Inc., Rothschild, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C05C / ; C05G / ;
U.S. Cl.
CPC ...
71 28 ; 71 6405 ; 71 6407 ; 71 6412 ; 564 63 ;
Abstract
Urea fertilizer is treated with a modified lignosulfonate to harden and provide anti-caking and anti-dusting properties to the fertilizer particles. The fertilizer/modified lignosulfonate mixture includes up to about 5.0% by weight modified lignosulfonate on fertilizer. An improved method of treating urea fertilizer with a modified lignosulfonate is also disclosed.
Sanford, Michael. (1991). Modified lignosulfonate conditioning agent for urea particles (U.S. Patent No. 5032164). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5032164
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile