Curable resins with solid supported antifoaming agents
CA 2106379 A1 · Owner: Scholz, Matthew T. · Inventors: Scholz, Matthew T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to novel water curable resins and orthopedic casting material incorporating such resins. The water curable resins contain agents which reduce foaming during cure. The agents are formed of an antifoaming composition sorbed on or encapsulated by a solid support. As the resin cures in water the, support disintegrates thereby activating the antifoaming composition. The antifoaming composition is preferably a polysiloxane.
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 March 6, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 6, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 6, 2014.
- 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.