Light absorption method of measuring the concentration of an aqueous conveyor lubricant
CA 2589073 C · Owner: Theyssen, Holger · Inventors: Theyssen, Holger; Grober, Stefan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed to a method of lubricating a conveyor system comprising i) diluting a conveyor lubricant concentrate with water to obtain an aqueous conveyor lubricant with the concentration c, ii) irradiating an aqueous conveyor lubricant with light, iii) determining the concentration c of the aqueous conveyor lubricant by measuring the absorption of the light by the aqueous conveyor lubricant with an absorption detector and iv) applying the aqueous conveyor lubricant to the conveyor system. The present invention further relates to a conveyor lubrication system including a measuring device with a light source and with an absorption detector for measuring 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
- Filed December 15, 2005 and granted April 22, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 15, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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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.