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:
Dec. 14, 1993
Filed:
Aug. 27, 1992
Applicant:
Inventor:
Bordan W Krupay, Edmonton, CA;
Assignee:
Nalco Canada Inc., , US;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G / ; C23F / ;
U.S. Cl.
CPC ...
2082 / ; 208 / ; 208 95 ; 2082621 ; 203-7 ; 585950 ;
Abstract
In a process for the separation of hydrocarbon materials and other materials including ammonia and hydrogen chloride normally associated with the hydrocarbon materials in refining of petroleum, the deposition of ammonium chloride is retarded or prevented by introducing inert gas of higher volatility into the processing operation upstream from where the deposition of ammonium chloride would otherwise occur.