Process for preparing oxirane compounds
CA 1110258 A · Owner: Chem Systems, Inc. · Inventors: Sherwin, Martin B.; Frank, Marshall E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for preparing oxirane compounds by the deacyloxylation of a vicinal hydroxyester in the presence of a basic material which comprises carrying out the reaction in a dilute phase transport reactor into which is red a stream of heated catalyst co-current with a feed gas stream. The catalyst is heated in a fluidized bed heater. The catalyst and product gases are separated in a cyclone separator, the catalyst being returned to the heater and the effluent product gas being further processed to recover product.
Read the whole patent
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 October 6, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 6, 1998.
- 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
Timeline From CIPO dates
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.