Delta _-ll-f28249 compounds
CA 1303035 C · Owner: American Cyanamid Company · Inventors: Asato, Goro; Ahmed, Zareen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
30,402-00, .DELTA.23-LL-F28249 COMPOUNDS ABSTRACT OF THE INVENTION, The present invention relates to novel derivatives of LL-F28249 compounds wherein the 23-hydroxy group is eliminated to introduce a double bond at the 23,24 position. These resulting derivatives are .DELTA.23-LL-F28249 compounds. These LL-F28249 precursor compounds preferably are derived via a controlled microbiological fermentation of Streptomyces cyaneogriseus subsp. noncyanogenus having deposit accession number NRRL 15773. 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 …
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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 June 9, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 2009.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.