Finely dispersed metal-carrying compounds and method for preparing the same
CA 1319462 C · Owner: Sumitomo Chemical Co. Ltd. · Inventors: Minobe, Masao; Matsuda, Masaaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Finely dispersed metal-carrying compound whose metal has 50 .ANG. or less in size, which is useful as for, instance, catalysts and electrically conducting agents is prepared by heating ion-exchange chelate resin on which metal ion such as Pt ion is adsorbed at 300 -, 1500°C under an inert gas atmosphere and, if desired, reducing.
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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
- Granted June 22, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 22, 2010.
- 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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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.