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:
Mar. 04, 1997
Filed:
Jan. 31, 1995
Applicant:
Inventors:
Richard H Granholm, Sandy, UT (US);
Lawrence D Lawrence, Sandy, UT (US);
Assignee:
Dyno Nobel Inc., Salt Lake City, UT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C06B / ; F42D / ;
U.S. Cl.
CPC ...
1491084 ; 149-2 ; 149 46 ; 1491096 ; 102332 ;
Abstract
This invention relates to a method of reducing the formation of toxic nitrogen oxides in after-blast fumes by using an emulsion blasting agent that has an appreciable amount of urea in its discontinuous oxidizer salt phase.