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:
Jan. 18, 1977
Filed:
Jun. 30, 1975
Applicant:
Inventors:
Peter L Paull, Weston, CT (US);
James M Caffrey, Jr, Wappingers Falls, NY (US);
Assignee:
Texaco Development Corporation, New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; C01B / ; C01B / ;
U.S. Cl.
CPC ...
423570 ; 423239 ; 423244 ; 423524 ;
Abstract
The effluent streams from utility stack gases containing nitric oxides and sulfur dioxide are entrained with sulfuric acid and carbon monoxide from refinery cracking and other industrial plants and in a sequence of separation and reaction steps nitrogen and carbon dioxide are vented to the atmosphere and regenerated concentrated sulfuric acid and sulfur produced.