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:
Nov. 01, 1988
Filed:
Apr. 06, 1987
Applicant:
Inventor:
Nobuo Someya, Tokyo, JP;
Assignee:
Nissho Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210747 ; 210751 ; 210912 ; 210913 ; 405128 ;
Abstract
An agent for adsorbing and preventing leakage of heavy metals in the industrial waste, etc. includes coral sand of 60 mesh or less. The coral sand can be heated in the atmosphere of reduced pressure, vacuum or argon or nitrogen gas, or air dried in order to accelerate activation of coral sand.
Someya, Nobuo. (1988). Heavy metal adsorbing agent and method of using same (U.S. Patent No. 4781841). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4781841
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile