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:
Nov. 26, 1991
Filed:
May. 25, 1990
Applicant:
Inventors:
Alexander Sajtos, Linz, AT;
Engelbert Kloimstein, Eferding, AT;
Karl Hollinger, Linz, AT;
Lorenz Farnlettner, Linz, AT;
Assignee:
Chemie Linz Gesellschaft m.b.H., Linz, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562577 ;
Abstract
A process for continuous preparation of a concentrated aqueous solution of glyoxylic acid by hydrolysis of glyoxylic acid ester hemiacetals, wherein glyoxylic acid ester hemiacetals are treated with steam in countercurrent in a reactor cascade.
Quick Actions:
Sajtos, Alexander. (1991). Process for the continuous preparation of glyoxylic acid (U.S. Patent No. 5068417). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5068417
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile