Process and apparatus for preparing a composition of matter utilizing an ultrasonic device
CA 2374324 A1 · Owner: Dow Global Technologies Inc. · Inventors: Maynard, Shawn J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The properties of a resinous material product are controlled in a manufacturing system by on-line process parameter monitoring and control. The on-line monitoring and control incorporates an <i>in-situ</i> measurement system that can monitor and control product in a process; and does not require the removal of any sample material from the process. It uses an ultrasonic analyzer system (12, 20), consisting of ultrasonic transducers (24 25), cables, pulser, receiver, waveform digitizer signal processor, data , processor, computer temperature measurement device (30) and a pressure measurement device (31). The on-line real-time ultrasonic analyzer system (12 20) measures the acoustical …
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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 15, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 15, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 15, 2022.
- 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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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.