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:
Apr. 20, 1993
Filed:
Feb. 15, 1991
Applicant:
Inventors:
Dev D Suresh, Hudson, OH (US);
Mark C Cesa, South Euclid, OH (US);
Tai C Yang, Maple Heights, OH (US);
Robert K Grasselli, Chadds Ford, PA (US);
Mark R Bruce, Seven Hills, OH (US);
Michael J Seely, Twinsburg, OH (US);
Maria S Friedrich, Lyndhurst, OH (US);
Robert A Dubbert, Solon, OH (US);
Assignee:
Standard Oil Company, Cleveland, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01C / ;
U.S. Cl.
CPC ...
423376 ;
Abstract
A process of producing hydrogen cyanide from crude acetonitrile comprising contacting the crude acetonitrile with an ammoxidation catalyst at an elevated temperature in the presence of an oxygen containing gas and ammonia. Preferably, the process is performed in the absence of propylene.