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:
May. 17, 1977
Filed:
Oct. 15, 1975
Applicant:
Inventors:
Eiichi Yonemitsu, Kashiwa, JA;
Shizuo Togo, Tokyo, JA;
Kenichiro Hashimoto, Tokyo, JA;
Tomoyuki Yui, Matsudo, JA;
Akihiko Sanada, Matsudo, JA;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
2606 / ; 2606 / ; 2606 / ; 260620 ; 2606 / ;
Abstract
A process for alkylating the ortho-position of a phenol compound which comprises catalytically reacting a phenol compound containing at least one hydrogen atom at its ortho-position with an alcohol in the gaseous phase, characterized by that the catalyst containing iron oxide, silica, chromium oxide and one or more of alkali metal compound is used.