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:
Mar. 02, 1999
Filed:
Jul. 01, 1996
Applicant:
Inventors:
Yutaka Sasaki, Yokohama, JP;
Hiroshi Yamamoto, Yokohama, JP;
Kiyoshi Moriya, Hayama, JP;
Yoshimi Nakamura, Yokohama, JP;
Assignee:
Nitto Kagaku Kogyo Kabushiki Kaisha, Tokyo-to, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
585658 ; 502503 ; 502305 ; 502308 ; 502325 ; 502326 ; 502327 ; 502349 ; 502353 ; 568420 ; 568780 ; 568579 ; 558303 ; 585654 ; 585250 ;
Abstract
The present invention provides a fluidized bed catalyst for the synthetic reaction of organic compounds which has a reduced catalyst loss. A fluidized bed catalyst for organic compound synthetic reaction, characterized in that 90% or more of the catalyst particles is in the range of 5-500 .mu.m on the weight-based particle size distribution and 90% or more of the 20-75 .mu.m particles has a crushing strength which satisfies the following equation: