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:
Dec. 25, 2007
Filed:
Nov. 20, 2003
Applicants:
Estera Szwajcer Dey, Lund, SE;
Olof Norrlöw, Helsingborg, SE;
Inventors:
Estera Szwajcer Dey, Lund, SE;
Olof Norrlöw, Helsingborg, SE;
Assignee:
Kemira Oyj, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method for supplying oxygen to a water purification process, said method comprising providing an oxygen carrier of at least one copolymer of dimethylsiloxane, ethylene oxide and propylene oxide, adding said oxygen carrier to the water purifying process, and contacting said oxygen carrier with an oxygen containing gas. The invention further relates to the use of at least one copolymer of dimethylsiloxane, ethylene oxide and propylene oxide, as an oxygen carrier in a water purification process.