Protection of insect pheromones from degradation by ultraviolet radiation

A substituted benzene compound of the following formula was found to protect an insect pheromone against ultraviolet (UV) radiation degradation ##STR1## wherein R.sub.1 is H or alkoxy group of 1 to 12 carbon atoms, R.sub.2 is H, sulphonic acid or its sodium salt, R.sub.3 is H, OH, and R.sub.4 is H, OH, or methoxy group. The UV absorbing compounds of the preceding formula significantly extended the biological activity and quality of the pheromone while at the same time remaining nontoxic to the insect and nondestructive of the environment.

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Description
Patent History
Patent number: T998013
Type: Grant
Filed: Feb 25, 1980
Date of Patent: Sep 2, 1980
Assignee: The United States of America as represented by the Secretary of Agriculture (Washington, DC)
Inventors: William A. Bruce (Savannah, GA), Patrick T. M. Lum (Savannah, GA), Helen C. F. Su (Savannah, GA), Roy E. Bry (Savannah, GA), Robert Davis (Savannah, GA)
Application Number: 6/124,012
Classifications
Current U.S. Class: 424/174; 424/311; 424/315; 424/331
International Classification: A01N 2522;