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. 24, 2000
Filed:
Nov. 06, 1998
Applicant:
Inventors:
Masaaki Nabika, Ichihara, JP;
Kotohiro Nomura, Ikoma, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07R / ;
U.S. Cl.
CPC ...
556413 ;
Abstract
The present invention provides a process for producing aminosaline compounds which are useful as precursors for ligands in the transition metal complexes, said process avoiding handling of solid which is troublesome in isolation and purification and combustible upon contact with air, having smaller number of reaction steps, and giving a high yield, in industrial scale. The present invention has a great value that said process for production could be carried out at an industrially advantageous temperature of -20.degree. or higher.