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. 12, 1980
Filed:
Nov. 28, 1977
Applicant:
Inventors:
Thomas J Walter, Baton Rouge, LA (US);
Sebastian M Laurent, Greenwell Springs, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568914 ; 568903 ; 568916 ;
Abstract
Primary alcohol containing impurities which have internal hydroxyl groups is purified to cause removal of such internal hydroxyl groups with reduced formation of ethers by treating the impure alcohol with an alumina catalyst which has been contacted with a hydroxide of a Group 1-A element. Preferably the alcohol treatment is concurrent with or followed by a hydrogenation treatment the purpose of which is to improve the iodine number of the treated alcohol.