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:
May. 28, 2002
Filed:
Jul. 20, 2000
Jacobus Cornelis Van Winkelen, Leeuwarden, NL;
Walterus Gijsbertus Joseph Van Der Meer, Sneek, NL;
Barrett Enclosures, Inc., Seattle, WA (US);
Abstract
The present invention relates to a method for purifying water, in particular ground water, under anaerobic conditions, using a membrane filtration unit, wherein the following steps are carried out: 1) connecting the membrane filtration unit ( ) to a rinsing unit ( ); then 2) passing a rinsing agent from the rinsing unit ( ) through the membrane filtration unit ( ) so as to create anaerobic conditions in the membrane filtration unit ( ); and 3) passing the water to be purified through the membrane filtration unit ( ), in which anaerobic conditions have thus been created in step 2), wherein the connection ( ) between the membrane filtration unit ( ) and the rinsing unit ( ) is then shut off so that the anaerobic conditions in the membrane filtration unit ( ) obtained in step 2) are maintained while the water to be purified is passed through said membrane filtration unit ( ). The present invention furthermore relates to a device for purifying water, and to drinking water obtained by using such a device and/or method.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile