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:
Apr. 15, 1986
Filed:
May. 03, 1984
Applicant:
Inventors:
Assignee:
Mitsui Petrochemical Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568637 ; 568638 ;
Abstract
A process for producing a hydroxydiphenyl ether, which comprises reacting at least one hydroquinone compound with itself or with a monohydric phenol compound in the presence of a catalyst composed essentially of a synthetic mica in which at least 10 mole % of cation-exchangeable interlayer cations are made up of a metal ion other than alkali metal ions, and/or a proton.