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.

Date of Patent:
Aug. 09, 1988

Filed:

Aug. 07, 1987
Applicant:
Inventors:

Rainer Siegmeier, Bad Homburg, DE;

Gunther Prescher, Hanau, DE;

Helmut Maurer, Rodenbach, DE;

Assignee:

Degussa Aktiengesellschaft, Frankfurt am Main, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568867 ; 568700 ;
Abstract

The continuous production of 1,2-diols by means of saponification of aliphatic, linear or branched epoxides with 8-30 carbon atoms or high molecular weight cycloaliphatic epoxides with water and acidic catalyst at pressures of 1-5 bar using a vapor-liquid mixture of a solubilizing agent which is stationary in a column. The yields obtained are high and exhibit a high degree of purity. The water added can be recycled as such.


Find Patent Forward Citations

Loading…