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:
Dec. 10, 1991
Filed:
Nov. 14, 1990
Applicant:
Inventor:
Johan Van Gogh, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568866 ; 568386 ; 568867 ;
Abstract
A two-step reaction process for converting ethylene oxide with high selectivity into monoethylene glycol which comprises firstly reacting ethylene oxide with acetone in the presence of a solid acid catalyst to form 2,2-dimethyl-1,3-dioxolane and secondly hydrolyzing the 2,2-dimethyl-1,3-dioxolane with water in the presence of a solid acid catalyst to form monoethylene glycol.