Pyrrolidinone analogs and intermediates as herbicides
CA 1204439 A · Owner: Eli Lilly And Company · Inventors: Burow, Kenneth W. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
1-Heterocyclic-2-pyrrolidinone analogs and, intermediates thereof, as aquatic and terrestrial herbicides and aquatic algicides. The compounds and intermediates can also be used together with one or more herbicides to provide useful terrestrial herbicidal combinations.
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 13, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 13, 2003.
- 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.