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:
Aug. 20, 1991
Filed:
Jun. 21, 1989
Applicant:
Inventors:
Raffaele Ungarelli, Novara, IT;
Maurizio A Beretta, Milan, IT;
Assignee:
Himont Italia S.r.l., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568744 ; 568747 ; 568780 ;
Abstract
A process for alkylation of phenols comprising letting a phenol react with a vinyl-aromatic hydrocarbon substituted in the vinyl group, in the presence of an organic solvent and of an acid catalyst in an aqueous solution, and of a polymerization inhibitor.