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:
Oct. 01, 1985
Filed:
Feb. 01, 1984
Applicant:
Inventors:
Orville L Chapman, Los Angeles, CA (US);
Uh-Po E Tsou, La Palma, CA (US);
Assignee:
The Regents of the University of California, Berkeley, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
585443 ; 585435 ; 585440 ;
Abstract
Single-stage thermolysis of C.sub.8 and C.sub.9 aromatics at temperatures in excess of 900.degree. C. and pressures of less than 0.2 torr or in the presence of steam in excess of 800.degree. C., in the absence of catalysts yields styrene and/or p-methylstyrene in high yields, providing a process for the conversion of xylenes and p-ethyltoluene to preferred styrene monomers.