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:
Jul. 25, 1989
Filed:
Oct. 31, 1983
Applicant:
Inventors:
Ali M Khonsari, Bloomfield, NJ (US);
Jamin Chen, Montville, NJ (US);
George D Suciu, Ridgewood, NJ (US);
William B Fisher, Chester, VA (US);
Lamberto Crescentini, Chester, VA (US);
Assignees:
The Lummus Company, Bloomfield, NJ (US);
Allied Corporation, Morris Township, Morris County, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C07C / ;
U.S. Cl.
CPC ...
203 38 ; 203 39 ; 203 45 ; 203 83 ; 203 85 ; 203 96 ; 568754 ;
Abstract
Crude phenol, containing AMS by-product, and MBF impurity, is distilled in the presence of water to separate MBF impurity.