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. 08, 1997
Filed:
Sep. 28, 1995
Applicant:
Inventors:
Frank Hubner, Ober-Ramstadt, DE;
Ulrich Gora, Gelnhausen, DE;
Klaus Huthmacher, Gelnhausen, DE;
Karlheinz Drauz, Freigericht, DE;
Assignee:
Degussa AG, Frankfurt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
556 32 ; 556150 ;
Abstract
A method of producing salcomine by reacting ethylene diamine with salicylaldehyde and a cobalt salt in a liquid reaction medium containing solvent.