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. 06, 1987
Filed:
Aug. 27, 1986
Applicant:
Inventors:
Assignee:
Nippon Steel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210610 ; 210614 ; 210626 ; 210631 ;
Abstract
A process for activated sludge treatment of industrial wastewaters which uses, in the aeration tank of an activated sludge treatment plant, at least one member of the group consisting of phytic acid, phytate salts and materials containing the same, as well as at least one other phosphorus-containing compound.
Fujii, Masahiro. (1987). Process for treating industrial wastewaters by activated sludge (U.S. Patent No. 4698158). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4698158
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile