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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.:

US 4128727 B1

PDFFull Text
Date of Patent:
Dec. 05, 1978

Filed:

Dec. 12, 1977

Process for the manufacture of acetic acid ethyl ester

Applicant:
Inventors:

Ernst I Leupold, Westerfeld, DE;

Hans-Jurgen Arpe, Fischbach, Taunus, DE;

Albert Renken, Hofheim, DE;

Ernst-Gunther Schlosser, Kelkheim, Taunus, DE;

Assignee:

Hoechst Aktiengesellschaft, Frankfurt am Main, DE;

Attorney:

Curtis, Morris & Safford

Primary Examiner:

James O Thomas, Jr

Assistant Examiner:

Michael Shippen

Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560247 ;
Abstract

Acetic acid ethyl ester is prepared by passing ethylene over a fixed-bed catalyst composed of silicon dioxide, which has a surface from 50 to 200 m.sup.2 /g and which is impregnated with H.sub.2 SO.sub.4, diethylsulfate or ethylsulfuric acid or mixtures of these compounds, with periodically alternating quantities of acetic acid, at a temperature from 130.degree. to 170.degree. C, the acid concentration, calculated on ethylene, varying constantly over a range from 0.01 to 40% by mole.

Find Patent Forward Citations

Leupold, Ernst. (1978). Process for the manufacture of acetic acid ethyl ester (U.S. Patent No. 4128727). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4128727

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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