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:
Jul. 10, 1990
Filed:
Sep. 27, 1988
Applicant:
Inventors:
Takeshi Okutani, Sapporo, JP;
Yoshinori Nakata, Sapporo, JP;
Masaaki Suzuki, Sapporo, JP;
Takeo Akiyama, Ayase, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
502178 ; 502200 ; 502439 ;
Abstract
There are disclosed a catalyst which comprises a carrier composed of a porous silicon carbide or a porous silicon nitride prepared by a silicon-accumulated biomass and a catalytic substance supported thereon, and a method for preparing a catalyst which comprises supporting a catalytic substance on a porous silicon carbide or a porous silicon nitride prepared by subjecting a silicon-accumulated biomass to heat treatment under an argon or a nitrogen atmosphere.