Apparatus and method for determining the dispersibility of a product in particulate form
CA 2450311 A1 · Owner: Zeitler, Wilson G. · Inventors: Zeitler, Wilson G.; Terflinger, Randall E.; Mondiek, David A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for determining the dispersibility grade of particulate material by means of an image processing technique that employs machine vision. In one aspect, this invention provides a method for grading the dispersibility of particulate material the method comprising the steps of: , (a) obtaining an image in digitized form, of a sample comprising reconstituted particulate material; (b) performing a series of image processing steps to determine the presence and magnitude of blobs; (c) performing a blob analysis to obtain data relating to the distribution of the particulate material in the sample; (d) comparing the result of the blob analysis with data in a database; …
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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 June 4, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 4, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 4, 2024.
- 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
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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.