13.beta.-MILBEMYCIN DERIVATIVES AND THEIR USE AS PESTICIDES
CA 1284638 C · Owner: Ciba-Geigy Ag · Inventors: Frei, Bruno; O'Sullivan, Anthony Cornelius
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Pesticides, Abstract, Novel compounds of the formula (I), in which R1 is a hydrogen or a silyl or acyl group R2 is, methyl, ethyl, isopropyl or sec.-butyl and R is hydrogen unsubstituted or substituted, linear or branched-chain C1-C18-alkyl groups, unsubstituted or substituted cycloaliphatic groups having 3 to 10 carbon atoms unsubstituted or, substituted C2-C6-alkenyl groups unsubstituted or substi-, tuted C2-C6-alkynyl groups unsubstituted or substituted, phenyl groups or unsubstituted or substituted benzyl groups. The active compounds possess advantageous pesticidal properties. They are particularly suitable for the control of pests in agriculture and the management of stored products.
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 June 4, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 4, 2008.
- 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.