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:
Jun. 09, 1992
Filed:
May. 15, 1991
Applicant:
Inventors:
Shigeo Baba, Yokkaichi, JP;
Yukio Shibata, Yokkaichi, JP;
Takahiro Kawamura, Yokkaichi, JP;
Hideo Takaoka, Yokkaichi, JP;
Tsuguo Kimura, Yokosuka, JP;
Kazuo Kousaka, Shinagawa, JP;
Yoshihiro Minato, Chigasaki, JP;
Naruo Yokoyama, Hiroshima, JP;
Kozo Iida, Hiroshima, JP;
Tetsuya Imai, Hiroshima, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
585750 ; 585734 ; 585668 ; 585671 ; 585482 ;
Abstract
A solid strong acid catalyst useful for hydrocarbon reactions, especially for the skeletal isomerization of paraffinic hydrocarbons is provided by supporting sulfate (SO.sub.4) and at least one member selected from Group VIII metals on a support consisting of hydroxides and oxides of Group IV metals and Group III metals and mixtures thereof and then calcining and stabilizing the catalyst.