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:
May. 31, 1994
Filed:
Jul. 28, 1993
Applicant:
Inventor:
Charles N Hansen, Salt Lake City, UT (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C01B / ; C07C / ;
U.S. Cl.
CPC ...
23300 ; 2329 / ; 2331 / ; 2331 / ; 564 66 ; 564 70 ; 4234151 ; 423420 ;
Abstract
Ammonium carbamate, in solution with urea, water and ammonia and under high temperature and pressure is cooled to below its crystallization temperature while being subjected to an elevated pressure. The crystallized substance formed is then dried, crushed, and pelletized with the aid of a binding agent to produce pellets having substantial strength and stability, and having particular utility as a deicer for roadways.
Quick Actions:
Hansen, Charles. (1994). Method for processing crystalline ammonium carbamate (U.S. Patent No. 5316554). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5316554
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile