5-(hetero-ring sulfamoyl)-1,3,4-thiadiazol-2-ylureas
CA 1072560 A · Owner: Eli Lilly And Company · Inventors: Cebalo, Tony
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to novel 1,3,4thiadiazol-2-ylureas characterized by an hetero-ring sulfamoyl group at the 5-position of the thiadiazole group and, by small alkyl or alkoxy groups on the urea nitrogens. The hetero-ring groups are 5- and 6-membered rings containing an oxygen, sulfur, or nitrogen atom, and may optionally be linked to the sulfamoyl nitrogen by a methylene group. The novel compounds are effective pre- and postemergence herbicides. The present invention also relates to novel herbicidal compositions containing the novel compounds as active ingredient and novel methods of using the novel compounds for the control of herbaceous weeds.
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 February 26, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 26, 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.