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:
Feb. 05, 1980
Filed:
Dec. 29, 1978
Applicant:
Inventors:
David W Roth, Jr, Convent Station, NJ (US);
David Zudkevitch, Denville, NJ (US);
Assignee:
Allied Chemical Corporation, Morris Township, Morris County, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
203 62 ; 203 63 ; 2605 / ; 568749 ; 568835 ;
Abstract
An extractive distillation process for separating one or more members of the group consisting of alkanols, alkanones, cycloalkanols and/or cycloalkanones from mixtures with phenol and/or cresol. One or more members of the group consisting of alkylated or unmodified cycloalkyl or aryl-derivatives of cyclohexanone or cyclohexanol having up to about 22 carbon atoms are employed as extractive solvent.