System for mixing multi-part reaction materials
CA 2307750 A1 · Owner: Hutter, Peter S. · Inventors: Hutter, Peter S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for mixing multi-part reaction materials under a vacuum comprises a container including a mixing chamber (24) sized to contain a reaction material (92). An agitator for mixing the reaction material to form a mix includes both rigid blades (60) and flexible paddles (58). The rigid blades (60) are substantially non-deflected during mixing and cut the mix and the , flexible paddles (58) are deflected and knead the mix. The combined action of the rigid and flexible paddles under vacuum (20) thoroughly mixes reaction materials and removes entrapped gases from the mix. The mix can be dispensed directly from the mixing chamber. The apparatus can be used to mix viscous …
Read the whole patent
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 October 23, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 23, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 23, 2020.
- 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.