Inorganic shaped bodies and methods for their production and use
CA 2500722 A1 · Owner: Erbe, Erik M. · Inventors: Sapieszko, Ronald S.; Erbe, Erik M.; Dychala, David H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Shaped, preferably porous, inorganic bodies are provided which are prepared from a reactive blend. In accordance with one preferred embodiment the , solution is absorbed into a porous sacrificial substrate such as a cellulose sponge. The solution-saturated substrate is heated and an oxidation-reduction reaction occurs thereby forming an inorganic solid. A shaped inorganic body , is formed in situ. Optional but preferred additional thermal treatment of the shaped, inorganic body removes the organic substrate leaving an inorganic , body that faithfully mimics the porosity shape, and other physical , characteristics of the organic substrate. Inorganic substrates may also be used to good …
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 2, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 2, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 2, 2025.
- 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.