Crystalline silicates, and processes for the production or use thereof
CA 1210749 A · Owner: Research Association For Petroleum Alternatives Development · Inventors: Suzuki, Takashi; Imai, Tetsuya; Koikeda, Minoru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Crystalline silicates and processes for the, production or use thereof ABSTRACT OF THE DISCLOSURE, This invention relates to a novel crystalline silicate useful as a catalyst for various organic reactions such as polymerization of organic compounds alkylation, isomerization, disproportionation and the like which has a, chemical composition represented by the general formula in the terms of mole ratios of oxides under dehydrated state (0.1-2)R2/nO? aLa2O3?bCe2O3?cM2O3 ?ySiO2 in which R is at least one mono- or divalent cation n is, the valence of R, M is at least one trivalent transition metal ion and/or aluminum ion, and a + b + c = 1 a ? 0, b ? 0, c ? 0, a + b > 0 and y ? 12. - 1 -
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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 September 2, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 2, 2003.
- 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.