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. 18, 1983
Filed:
Mar. 12, 1982
Applicant:
Inventors:
Shigemitsu Shin, Yatabe, JP;
Kunio Suzuki, Sakura, JP;
Yoshimichi Kiyozumi, Yatabe, JP;
Kiyoshi Ogawa, Yokohama, JP;
Haruo Takaya, Abiko, JP;
Kenichiro Bando, Yatabe, JP;
Yasuo Takami, Tokyo, JP;
Yasuhiko Kohtoku, Tsuchiura, JP;
Hideo Watanabe, Tokyo, JP;
Kichinari Kawamura, Tsuchiura, JP;
Yuzi Shimazaki, Sakura, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
585640 ; 502242 ; 502 84 ;
Abstract
A lower alcohol, especially methanol, or dimethyl ether is subjected to pyrolysis conditions in the presence of a specific catalyst to obtain lower olefins. The catalyst is comprised of a smectite, such as a montmorillonite clay, having superimposed aluminosilicate layers and zirconium oxide intercalated between the structural, aluminosilicate layers.