Microencapsulated insecticidal pathogens

Details Microencapsulated insecticidal pathogens Microencapsulated insecticidal pathogens

1987-11-02

1989-07-04

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Lymphokine

424 91, 424 92, 424 93, 424408, C01G 1700

Patent

active

048448966

ABSTRACT:
A microencapsulated insecticidal pathogen for application to vegetation is disclosed. An insecticidal viral, bacterial or fungal pathogen is encapsulated in a polymeric encapsulating agent such as Eudragit L, Eudragit S, Eudragit L or S with Eudragit RL, Eudragit L or S with Eudragit RS, polyacrylates, polyacrylic acids, cyclic acrylate polymer or mixtures thereof. Also encapsulated in the polymeric encapsulating agent is a sunscreening agent such as methyl orange, malachite green or its hydrochloride, methyl green, brilliant green, an FDC green, coomasie brilliant blue R, methylene blue HCl salt, brilliant cresyl blue, acridine yellow, an FDC yellow, an FDC red, fluorescein free acid or mixtures thereof. Also disclosed is a process for encapsulating an insecticidal pathogen. The microcapsules of the invention effectively retain sunscreening agent within the capsule and are easily prepared without using toxic materials requiring subsequent removal.

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