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. 09, 1988
Filed:
Apr. 24, 1987
Applicant:
Inventors:
Robert Maerkl, Fussgoenheim, DE;
Wolfgang Harder, Weinheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
518701 ; 502152 ;
Abstract
Ethylene glycol is prepared from carbon monoxide and hydrogen in a homogeneous liquid phase under superatmospheric pressure and at elevated temperatures in the presence of a rhodium-containing catalyst and in the presence of a porphyrin as organic nitrogen-containing promoter.