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. 10, 1995
Filed:
Oct. 04, 1994
Arkadys S Dyckman, St. Petersburg, RU;
John Fulmer, Mt. Vernon, IN (US);
William D Kight, Poseyville, IN (US);
Andrey Zinenkov, St. Petersburg, RU;
Vadim P Boyarsky, St. Petersburg, RU;
Boris I Gorovits, St. Petersburg, RU;
Leontii M Krasnov, Novokuibishevsk, RU;
Alexander S Malinovski, Novokuibishevsk, RU;
Yury I Petrov, Novokuibishevsk, RU;
Anatoly D Sorokin, Novokuibishevsk, RU;
Sergey N Chernukhin, Novokuibishevsk, RU;
General Electric Company, Pittsfield, MA (US);
Abstract
An improved phenol tar cracking process using a rectification column as a hydrocracker obtains an increased yield of valuable products, phenol, cumene and alpha-methylstyrene, by taking from 50 to 100% of the acetophenone in the reactor overhead with the cracked product stream.