Macrolide compounds, their preparation and their use
CA 1338050 C · Owner: Takahashi, Shuji · Inventors: Takahashi, Shuji; Tanaka, Keiji; Iwado, Seigo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compounds with acaricidal, insecticidal and anthelmintic activities have the formula:, (I), wherein: -X-Y- is selected from the group consisting of -CH2-CH2-, -CH2-CHOH-, -CH=CH-, and -CH2-C(=O)-; R1 is selected from the group consisting of a methyl group, an ethyl group, an isopropyl group a, sec-butyl group and groups of formula -C(CH3)=CHR5 in which R5 is selected from the group consisting of a methyl group, an ethyl group and an isopropyl group; R2 represents a group of formula, -(CH2)n-C(R6)=C(R7)(R8) in which n is 0 1 or, 2, R6 and R7 each is selected from the group consisting of a hydrogen atom and a methyl group and R8 is selected from the group consisting of a hydrogen atom, a C1-4 …
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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 February 13, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 2013.
- 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.