Method for monitoring the degree of fouling of a filter
CA 2580425 C · Owner: Wessling, Matthias · Inventors: Futselaar, Harry; Betlem, Bernardus Henricus Louis; Wessling, Matthias
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to the field of filtering fluids. The invention provides a method of filtering a fluid that is , characterised by the following steps. First a contaminated fluid is , filtered in order to remove from the fluid contaminants which are , deposited on a filter in the form of a filter cake the filter and , filter cake together forming a filter medium. Subsequently a substantially non-fouling fluid is fed through the filter medium at a varying flux, and the driving force is measured or a varying driving force, and the flux is measured. The measured values of the driving force as a function of the flux the measured value of the , flux as a function of the driving force …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed September 1, 2005 and granted November 5, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 1, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.