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:
Apr. 07, 1987
Filed:
Jan. 13, 1986
Applicant:
Inventors:
Chiyuki Fujii, Yamato, JP;
Seiichi Watanabe, Niigata, JP;
Assignees:
Denki Kagaku Kogyo Kabushiki Kaisha, Chiyoda, JP;
Rikagaku Kenkyusyo, Wakoh, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
556 22 ; 556 21 ; 556140 ; 556145 ; 546348 ; 546349 ; 546350 ; 502152 ; 502155 ;
Abstract
A complex of an electron-attracting group-substituted .eta..sup.5 -cyclopentadienylcobalt with a polyene or an acetylene for use as a catalyst, for example, for the synthesis of a substituted pyridine from an alkyne and a nitrile.