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:
Jul. 08, 1986
Filed:
Jun. 05, 1985
Applicant:
Inventors:
Akio Tamaru, Kitakyushu, JP;
Yoshiaki Izumisawa, Kitakyushu, JP;
Hidekichi Hashimoto, Nakama, JP;
Kiyoji Kuma, Kitakyushu, JP;
Takashi Komaya, Kitakyushu, JP;
Masanobu Minagawa, Nakama, JP;
Assignee:
Mitsubishi Chemical Industries, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568781 ; 568784 ; 568789 ; 568790 ; 568794 ;
Abstract
A process for producing an orthoalkylphenol which comprises reacting phenol with an olefin in a liquid phase in the presence of an alumina catalyst, characterized in that the water content in the liquid phase of the reaction system is maintained at a level of not higher than 250 ppm.