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:
Mar. 21, 2023
Filed:
Jul. 13, 2021
Applicant:
Cyanco Corporation, Sugar Land, TX (US);
Inventors:
Michael Lefenfeld, Sugar Land, TX (US);
Robert Hoch, Hensonville, NY (US);
Justin Manganaro, Sugar Land, TX (US);
Roy Norcross, Sugar Land, TX (US);
Si Kai Tan, Sugar Land, TX (US);
Assignee:
CYANCO CORPORATION, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01C 3/10 (2006.01); B01J 19/24 (2006.01); B01D 53/14 (2006.01); B01D 53/54 (2006.01); B01D 53/78 (2006.01);
U.S. Cl.
CPC ...
C01C 3/10 (2013.01); B01D 53/1456 (2013.01); B01D 53/1493 (2013.01); B01D 53/54 (2013.01); B01D 53/78 (2013.01); B01J 19/24 (2013.01); B01J 19/2465 (2013.01); B01D 2252/10 (2013.01);
Abstract
This disclosure relates to improved methods for alkali metal cyanide production, particularly to improved methods for sodium cyanide production. The improved method of producing sodium cyanide involves the step of contacting hydrogen cyanide with an aqueous solution of sodium carbonate or of a mixture of sodium carbonate and sodium bicarbonate to produce a sodium cyanide solution.