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. 23, 2002
Filed:
Apr. 19, 2000
Applicant:
Inventors:
Katsutoshi Inoue, Saga, JP;
Keisuke Ohto, Saga, JP;
Shinya Wakisaka, Saga, JP;
Takaaki Shinohara, Chikugo, JP;
Assignee:
Saga University, Saga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/28 ;
U.S. Cl.
CPC ...
C02F 1/28 ;
Abstract
This invention relates to an adsorbent made up of calix [4] arene polymer having a repeating unit, a method of separating divalent lead ions shown by the following chemical formula and a method of manufacturing the same.