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:
Sep. 08, 2009
Filed:
Apr. 26, 2004
Applicants:
Francesco Crescenzi, Rome, IT;
Antonella Crisari, Rome, IT;
Cesare Achille Piatti, Milan, IT;
Inventors:
Assignees:
ENI S.p.A., Rome, IT;
Enitecnologie S.p.A., San Donato Milanese, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F 11/04 (2006.01); C23F 11/00 (2006.01); C23F 11/16 (2006.01); A61L 9/00 (2006.01); E21C 37/00 (2006.01); B01D 24/00 (2006.01); C02F 1/42 (2006.01); C02F 1/72 (2006.01); C02F 1/68 (2006.01); A01N 59/26 (2006.01); A01N 37/00 (2006.01); E21B 33/13 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method for inhibiting the biological acidification of water which is in contact with materials containing sulfur in reduced form or with elemental sulfur, susceptible to oxidation on the part of, comprising putting said materials in contact with soluble inorganic salts at concentrations ranging from 0.4 normal to saturation.