Appeal No. 1999-0676
Application No. 08/465,625
DISCUSSION
Appellants’ invention relates to compounds having the formula:
where the definitions of variables are set forth in the specification, pages 2 through 4.
According to appellants, the claimed compounds are “novel avermectin derivatives…
wherein the C-25 substituent is linked by an unbranched (primary) carbon atom”
(specification, page 2). These compounds “are highly active antiparasitic agents having
particular utility as anthelmintics, ectoparasiticides, insecticides and acaricides” (id.).
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