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:
Jan. 05, 1993
Filed:
Jul. 10, 1991
Applicant:
Inventors:
John Kahsnitz, Haltern, DE;
Alfred Oberholz, Marl, DE;
Udo Knippenberg, Haltern, DE;
Michael Zolffel, Marl, DE;
Assignee:
Huls Aktiengesellschaft, Marl, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11C / ;
U.S. Cl.
CPC ...
554167 ; 554162 ; 554161 ; 560129 ;
Abstract
Alcohols and acids are esterified by means of liquid-phase equilibrium reactions on ion exchangers in an apparatus comprising a prereactor and a rectifying column with external reactors. The process is characterized by the fact that a portion of one of the starting compounds is fed directly to the external reactors.
Kahsnitz, John. (1993). Process for the preparation of esters (U.S. Patent No. 5177229). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5177229
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile