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. 03, 1981
Filed:
Aug. 01, 1979
Applicant:
Inventors:
Yves Lebesgue, Colombes, FR;
Frederic Miglioretti, Chateaubriand, FR;
Assignees:
Omnium d'Assainissement, Courbevoie, FR;
Argiles & Minereaux, Montguyon, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210610 ; 210617 ; 210903 ;
Abstract
Water is denitrified by passage through a porous bed of fired clay containing 1-5 parts per thousand of Mo, preferably added to the clay before firing in the form of Mo containing acid or an alkaline salt of such acid.
Quick Actions:
Lebesgue, Yves. (1981). Process for biological denitrification of waters (U.S. Patent No. 4253966). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4253966
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