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:
Jun. 13, 1978
Filed:
Mar. 29, 1976
Applicant:
Inventors:
Helmut Schaum, Bad Soden am Taunus, DT;
Friedrich Schenk, Gotzenhain, DT;
Hartmut Voigt, Tarragona, DT;
Rudolf Sartorius, Frankfurt am Main, DT;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ;
Abstract
Process for preparing acetic acid by oxidation of acetaldehyde with oxygen or oxygen containing gases in the presence of a catalyst based on manganese acetate, wherein the crude acetic acid and the gases formed, still containing acetaldehyde, are submitted to an after-oxidation, the low-boiling substances are distilled off and the residue is reused as catalyst.
Schaum, Helmut. (1978). Process for preparing acetic acid (U.S. Patent No. 4094901). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4094901
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile