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. 25, 1989
Filed:
Dec. 16, 1987
Applicant:
Inventors:
Richard A Battista, Mt. Vernon, IN (US);
James G Bennett, Jr, Glenmont, NY (US);
John J Kokoszka, Delmar, NY (US);
Freddie L Tungate, Georgetown, IN (US);
Assignee:
General Electric Company, Selkirk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568804 ; 568794 ;
Abstract
A catalyst precursor comprising a magnesium compound or material, optionally also containing other metal compounds, is activated for use by calcining at an elevated temperature in the presence of air or nitrogen, or under vacuum. The active catalyst which results may be used in processes for the ortho-alkylation of phenolic compounds, with good yields of and selectivity to the ortho-alkylated end product.