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:
Oct. 06, 1981
Filed:
Aug. 04, 1980
Sudhir K Mendiratta, Cleveland, TN (US);
Olin Corporation, New Haven, CT (US);
Abstract
A novel process for purifying an alkaline solution of a lower alkyl alcohol containing as an impurity an alkali metal alkoxide, an alkali metal hydroxide, and water is disclosed. The process comprises treating the alkaline solution of a lower alkyl alcohol with an anhydrous hydrogen halide to react with the alkali metal alkoxide and the alkali metal hydroxide to provide a neutral solution comprised of the lower alkyl alcohol, an alkali metal halide and water. The alkali metal halide is removed from the neutral solution to obtain a substantially salt-free solution comprised of the lower alkyl alcohol and water. A zeolite molecular sieve is contacted with the solution to remove the water and to recover a substantially anhydrous solution of a lower alkyl alcohol. The process produces purified substantially anhydrous alcohol solutions suitable for the use in the production of alkali metal alkoxides such as sodium methoxide without introducing undesired amounts of alkaline impurities into the product.