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:
Feb. 06, 1990
Filed:
Oct. 14, 1988
Applicant:
Inventors:
Glen L Livingston, Church Hill, TN (US);
John Borges, Orangeburg, SC (US);
George L Mina, Orangeburg, SC (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568720 ; 568731 ; 568732 ;
Abstract
3,5-di-alkyl-4-hydroxybenzyl-substituted aromatics are made in improved yield by co-feeding 2,6-di-alkyl-4-alkoxymethyl phenol and sulfuric acid to a benzene compound, e.g. mesitylene, in an inert solvent at -10.degree. to 50.degree. C.