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:
Jun. 02, 1998
Filed:
Jun. 24, 1997
Applicant:
Inventors:
Walter Vladimir Cicha, Wilmington, DE (US);
Leo Ernest Manzer, Wilmington, DE (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423468 ; 423467 ;
Abstract
A process for producing sulfuryl chloride and/or thionyl chloride is disclosed which involves contacting a mixture comprising SO.sub.2 and Cl.sub.2 (e.g., at about 300.degree. C. or less) with a silicon carbide catalyst having a surface area of at least 10 m.sup.2 .multidot.g.sup.-1.