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. 29, 1980
Filed:
Sep. 05, 1978
Applicant:
Inventors:
Siegfried Rebsdat, Burg, DE;
Sigmund Mayer, Burgkirchen, DE;
Josef Alfranseder, Marktl, DE;
Josef Riedl, Burgkirchen, DE;
Assignee:
Hoechst Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
252414 ; 252412 ; 252420 ; 26034834 ;
Abstract
The activity of supported silver catalysts, which have been used for the direct oxidation of ethylene to ethylene oxide with molecular oxygen or air and to which from 1 to 1,000 parts, per 1 million parts of catalyst, of cesium and/or rubidium have been applied, is improved by washing the catalyst with an inert liquid prior to the application of cesium and/or rubidium.
Rebsdat, Siegfried. (1980). Process for improving the activity of used supported silver catalysts (U.S. Patent No. 4186106). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4186106
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile