Appeal No. 1996-1072
Application 08/132,289
remaining in the application.
THE INVENTION
Appellants claim a slow release insect repellant
composition consisting essentially of a volatile insect
repellant and an alkylated polyvinyl pyrrolidone wherein the
alkyl group has 4 to 30 carbon atoms. Appellants also claim a
method for repelling insects by applying the composition to an
area to be made repellent. Claim 1 is illustrative and reads
as follows:
1. A composition having slow release properties for an
insect repellent consisting essentially of a polymer
consisting of polyvinyl pyrrolidone and an alkyl group of 4-30
carbons, said polymer formulated in a suitable formulation
with a volatile insect repellent.
THE REFERENCES
Flashinski et al. (Flashinski) 4,774,082 Sep. 27,
1988
Gallagher 5,102,662 Apr. 7,
1992
Shih et al. (Shih) 5,139,770 Aug. 18,
19921
Beldock et al. (Beldock) 5,227,406 Jul. 13,
1 Filed December 17, 1990.
2
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