Quinary and senary molecular sieve compositions
CA 1248080 A · Owner: Union Carbide Corporation · Inventors: Flanigen, Edith M.; Marcus, Bonita K.; Lok, Brent M.T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Crystalline molecular sieves having three-dimensional microporous framework structures of MO2, AlO2, SiO2 and PO2 tetrahedral oxide units are disclosed. These molecular sieves have an empirical chemical composition on an anhydrous basis expressed by the formula:, mR : (MwAlxPySiz)O2 wherein "R" represents organic templating agent present in the intracrystalline pore system; "m" represents the molar amount of "R" present per mole of (MwAlxPySiz)O2; "M" represents at least two different elements selected from the group consisting of arsenic, beryllium, boron chromium, cobalt, gallium, germanium, iron lithium, magnesium, manganese, titanium vanadium and zinc;, and "w", "x", "y" and "z" …
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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 January 3, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 3, 2006.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.