23-deoxy derivatives of ll-f28249 compounds
CA 1340104 C · Owner: American Cyanamid Company · Inventors: Asato, Goro; Tamura, Susan Yoshiko
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 derivatives of LL-F28249 compounds. These LL-F28249 compounds preferably are derived via a controlled microbiological fermentation of Streptomyces cyaneogriseus subsp. non-cyanogenus having deposit accession number NRRL 15773. The 23-deoxy derivatives have the 23-hydroxy group replaced by hydrogen. The novel derivatives of the present invention possess activity as anthelmintic ectoparasitic, insecticidal, acaricidal and nematicidal agents. They also are useful in areas of human and animal health and in agricultural crops.
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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 October 27, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 2015.
- 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.