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. 14, 1978
Filed:
Jan. 27, 1975
Applicant:
Inventors:
Kazunobu Nakatsuka, Chiba, JA;
Katsumi Imada, Chiba, JA;
Assignee:
Daiichi Seiyaku Co., Ltd., Tokyo, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ; 210 21 ;
Abstract
Esters of comenic acid were found to form metal chelate compounds with various metal ions and these chelate compounds are soluble in organic solvents. This finding makes it possible to recover or remove metal ions from industrial drainage and the like.
Quick Actions:
Nakatsuka, Kazunobu. (1978). Method for recovering metal ions in aqueous liquid (U.S. Patent No. 4079067). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4079067
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile