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. 10, 1985
Filed:
Oct. 17, 1983
Applicant:
Inventors:
Edwin F Rissmann, Annandale, VA (US);
Kendall B Randolph, Arlington, VA (US);
Assignee:
Versar Inc., Springfield, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423393 ; 423383 ;
Abstract
A process for making fuming nitric acid involving the reacting of nitrogen dioxide gas with dry hydrogen chloride gas to produce the fuming nitric acid directly, and to produce as a co-product nitrosyl chloride gas; separating the formed liquid fuming nitric acid from the reaction gases and co-product gas; and stripping the liquid product and demisting the gaseous product to complete their separation.