Process for separating substances from a liquid and device for carrying out the process
CA 1320151 C · Owner: Stuckart, Wolfgang · Inventors: Stuckart, Wolfgang
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for the flocculation precipitation, agglomeration, or coagulation of substances or microorganisms present in a liquid in a dissolved, colloidally dissolved suspended or, emulsified state and a device for carrying out the process. The respective liquid is exposed to one or several fields of stationary ultrasonic waves, the ultrasonic frequency f being higher than one seventh of a cutoff frequency fo which depends on the kinematic viscosity of the liquid and the effective radius of the particles present in the liquid. The device is provided with an ultrasonic treatment tank which receives the liquid to be purified and is provided with an ultrasonic transducer radiating the …
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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
- Granted July 13, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 13, 2010.
- 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.