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:
Nov. 15, 2022

Filed:

Mar. 09, 2020
Applicants:

Total SA, Courbevoie, FR;

Saipem S.a, Montigny Le Bretonneux, FR;

Veolia Eau—compagnie Generale Des Eaux, Paris, FR;

Vws Westgarth Ltd, East Kilbride, GB;

Inventors:

Luc Riviere, Idron, FR;

Pierre Pedenaud, Lescar, FR;

Didier Bigeonneau, Montbrun-lauragais, FR;

Stéphane Anres, Saint Cyr L'ecole, FR;

Raymond Hallot, Voisins Le Bretonneux, FR;

Wayne Evans, Moor, GB;

David Lothian, Ardrossan, GB;

Assignees:

TOTAL SA, Courbevoie, FR;

SAIPEM S.A., Montigny le Bretonneux, FR;

VEOLIA EAU-COMPAGNIE GENERALE DES EAUX, Paris, FR;

VWS WESTGARTH LTD, East Kilbride, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 29/66 (2006.01); B01D 65/02 (2006.01); B01D 61/58 (2006.01); C02F 1/44 (2006.01); C02F 1/00 (2006.01); C02F 103/10 (2006.01); B01D 61/14 (2006.01); B01D 61/02 (2006.01); C02F 103/08 (2006.01); C02F 103/36 (2006.01); C02F 101/10 (2006.01);
U.S. Cl.
CPC ...
B01D 29/66 (2013.01); B01D 61/58 (2013.01); B01D 65/02 (2013.01); C02F 1/001 (2013.01); C02F 1/442 (2013.01); C02F 1/444 (2013.01); B01D 61/027 (2013.01); B01D 61/147 (2013.01); B01D 2311/103 (2013.01); B01D 2321/08 (2013.01); C02F 2101/101 (2013.01); C02F 2103/08 (2013.01); C02F 2103/10 (2013.01); C02F 2103/365 (2013.01); C02F 2209/02 (2013.01); C02F 2303/16 (2013.01); C02F 2303/20 (2013.01); C02F 2307/00 (2013.01);
Abstract

The invention concerns an underwater water treatment unit which has specific cleaning means which are suitable for cleaning filtration membranes in the unconventional conditions associated with use at great or very great depths, as well as a method for cleaning the membrane of the underwater water treatment unit.


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