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. 07, 1982
Filed:
Jan. 02, 1981
Applicant:
Inventors:
Robert D Presson, Bedford, OH (US);
Hsin-Chih Wu, Parma, OH (US);
Edward J Sockell, Port Lavaca, TX (US);
Assignee:
The Standard Oil Company, Cleveland, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
203 75 ; 203 77 ; 203 78 ; 203 80 ; 203 82 ; 203 84 ; 203D / ; 203 94 ; 2604 / ;
Abstract
Crude acetonitrile is purifed to 99+ weight percent by a continuous distillation procedure.