The United States of America As Represented by the Secretary of

Monell Chemical Senses Center

James Russell Mason

Ralph M Trksak

George Preti

Richard A Dolbeer

John L Cummings

Certain volatile compounds naturally present in herring gull eggs are effective for repelling animals and birds, particularly canids, from the locus to which such compounds are applied. More particularly, the volatile compounds which are effective animal repellents include compounds exhibiting mint-like odors such as the compounds pulegone and piperitone. The invention relates to methods of using these compounds to repel animals, and to repellent compositions comprising effective repellent amounts of such compounds.

Naturally-occurring odoriferous animal repellent

Geese and swans are repelled by applying methyl anthranalate or dimethyl anthranalate to their habitats or to pelleted agricultural chemicals lethal to geese or swans. With regard to applying the repellent to habitats, preferably the repellent is encapsulated in a starch-based material that is water tolerant and provides time release of the repellent.

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Bridgeton, NJ, United States of America

James Russell Mason