Substituted phenylene (thio) carbamoyl diphosphor (thio) amidic acid esters used as anthelmintic agents
CA 1105044 A · Owner: American Cyanamid Company · Inventors: Asato, Goro; Pankavich, John A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There are provided substituted phenylene(thio)carbomyl diphosphor(thio)amidic acid esters a method for, the preparation of said esters and unsubstituted derivatives thereof and a method for controlling helminths in warm- -blooded animals by administering to said animals an anthelmintically effective amount of said unsubstituted or substitutes phenylene(thio)carbamoyl diphosphor(thio)amidic acid ester.
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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 July 14, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 14, 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.