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.

Date of Patent:
Mar. 16, 1982

Filed:

Aug. 07, 1980
Applicant:
Inventors:

Hiroshi Sato, Nagoya, JP;

Sadaaki Shigeta, Narashino, JP;

Yasuo Takenaka, Otake, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210694 ; 210502 ; 252428 ;
Abstract

An oil-containing waste water treating material, comprising an active carbon upon whose surface is chemically bonded at least one nitrogenous compound which is an amine or a quaternarized derivative thereof.


Find Patent Forward Citations

Sato, Hiroshi. (1982). Oil-containing waste water treating material consisting of modified (U.S. Patent No. 4320011). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4320011

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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