Production of bis-(morpholino-n-alkyl) ethers
CA 1078381 A · Owner: Texaco Development Corporation · Inventors: Brennan, Michael E.; Yeakey, Ernest L.; Moss, Philip H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
PRODUCTION OF BIS-(MORPHOLINO-N-ALKYL) ETHERS (D#75,002-1-F), Abstract of the Disclosure An improved process is disclosed for selectively producing a bis-(morpholino-N-alkyl) ether directly from the corresponding N-(hydroxyalkyl)morpholine compound. The improved process includes contacting the N-(hydroxyalkyl) morpholine compound with a catalytically effective amount of a silica-alumina or certain phosphorus containing substances at a temperature of about 200°C to 300°C under a pressure sufficient to maintain the mixture substantially in liquid phase and recovering from the resultant reaction mixture the bis-(morpholino-N-alkyl) ether. According to the preferred embodiment N-(2-hydroxy-, …
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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 May 27, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 27, 1997.
- 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.