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. 26, 1985
Filed:
Aug. 05, 1982
Applicant:
Inventors:
Hans-Joachim Schmidt, Konigstein, DE;
Hans-Jurgen Arpe, Frankfurt am Main, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560187 ; 560114 ; 560185 ; 560 60 ;
Abstract
The invention relates to a process for reacting RO--CH.sub.2 --OR formaldehyde acetals with carbon monoxide in the liquid phase on an acid organic ion exchange material as catalyst. The main products are ether-esters, RO--CH.sub.2 --COOR, of hydroxyacetic acid (glycolic acid).