Method for marking an object to enable its detection from a dist

Details Method for marking an object to enable its detection from a dist Method for marking an object to enable its detection from a dist

1993-08-12

1995-05-30

Bell, Janyce

Coating processes

Fraud or tamper detecting

427290, 427291, 427292, 427337, 427384, 4273855, 4274071, B05D 302

Patent

active

054199204

ABSTRACT:
A quantity of at least one odorous substance that is physiologically impossible to perceive by the human sense of smell, but which is sufficient to be perceived at a distance by an animal known to be capable of finding the origin of the odor emitted by said odorous substance or substances and/or that causes the animal to exhibit a given behavior in its presence, is affixed to the object to be marked in a manner not identifiable by the human eye. Detection by animals such as canines and insects (cockroaches, bees and butterflies) can be used; the odorous substances will in particular comprise substances known to be capable of being detected specifically and spontaneously by an animal at extremely low thresholds (.alpha.-ionone for the canine), or pheromonal (sexual or warning) substances that, in the animal located at a distance, bring about a modification of its behavior.

REFERENCES:
patent: 3733178 (1973-05-01), Eriksen
patent: 4226194 (1980-10-01), Grahn
patent: 4517920 (1985-05-01), Yamamoto
patent: 4698620 (1987-10-01), Marshall

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