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:
Sep. 13, 1983
Filed:
Jun. 10, 1981
Applicant:
Inventors:
Boy Cornils, Dinslaken, DE;
Jurgen Weber, Oberhausen, DE;
Wolfgang Bernhagen, Mulheim, DE;
Helmut Springer, Oberhausen, DE;
Assignee:
Ruhrchemie Aktiengesellschaft, Oberhausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568858 ;
Abstract
An improved process for the preparation of 2,3-dimethyl-2,3-butanediol is disclosed wherein hydrogen peroxide and 2,3-dimethylbutene are reacted with formic acid at 50.degree. to 70.degree. C. while stirring, the 2,3-dimethylbutene and hydrogen peroxide being introduced into the formic acid simultaneously but separately. The diol can be obtained by hydrolysis of the pinacol monoformate formed.