Process for preparing lower lactams from allylic substrates
CA 1078396 A · Owner: Texaco Development Corporation · Inventors: Knifton, John F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
PROCESS FOR PREPARING LOWER LACTAMS FROM ALLYLIC SUBSTRATES, (D#74,889-FB), ABSTRACT This invention concerns processes for preparing cyclic, 5-membered ring, lactams through the carbonylation of allylic substrates in the presence of rhodium catalysts.
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 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
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.