Catalyst for selective opening of cyclic paraffins and process for using the catalyst
CA 2562702 C · Owner: Galperin, Leonid B. (Deceased) · Inventors: Galperin, Leonid B. (Deceased); Mccall, Michael J.; Kocal, Joseph A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A catalyst and process using the catalyst for opening cyclic paraffins are described. The catalyst comprises a Group VIII metal component a molecular , sieve, a refractory inorganic oxide component and optionally a modifier component. Examples of the molecular sieve are MAPSOs SAPOs, UZM-8 and UZM-, 15. Preferred Group VIII metals include platinum palladium and rhodium while , alumina is a preferred inorganic oxide. Finally examples of the optional , modifier are niobrium titanium and rare earth elements such as ytterbium.
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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 April 20, 2004 and granted January 3, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 20, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 20, 2026.
- 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.