Acid contacted enhanced adsorbent and/or catalyst and binder system
CA 2257509 A1 · Owner: Project Earth Industries, Inc. · Inventors: Moskovitz, Mark L.; Mintz, Eric A.; Kepner, Bryan E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a process for producing an enhanced adsorbent particle comprising contacting a non-amorphous non-ceramic, crystalline, porous, calcined aluminum oxide particle that was produced by calcining at a particle temperature of from 300 ~C to 700 ~C with an acid for a sufficient , time to increase the adsorbent properties of the particle. A process for producing an enhanced adsorbent particle comprising contacting a non-ceramic porous, oxide adsorbent particle with an acid for a sufficient time to increase the adsorbent properties of the particle is also disclosed. Particles made by the process of the instant invention and particle uses such as , remediation of waste …
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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 9, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 9, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 9, 2019.
- 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.