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:
Jan. 13, 1976
Filed:
Jul. 12, 1971
Applicant:
Inventors:
Naoya Kominami, Tokyo, JA;
Nobuhiro Tamura, Oimachi, JA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
2606 / ; 2606 / ;
Abstract
TERT-Butylstyrene is prepared by a one-step reaction of tert-butylbenzene, ethylene and oxygen in the presence of a catalyst prepared by treating metallic palladium or fatty acid salts thereof with pyridine. The yield is increased by using together therewith a promoter prepared by treating one or more metals or oxides or fatty acid salts thereof, the metals being selected from the group consisting of copper, nickel, manganese, uranium and thallium. The reaction is carried out at a temperature between 50.degree. to 300.degree.C under a pressure of up to 100 kg/cm.sup.2.