Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Biocides; animal or insect repellents or attractants
Patent
1988-08-18
1990-08-14
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Biocides; animal or insect repellents or attractants
424407, 424408, 424409, 424417, 424418, 424419, 424 89, 424 91, 424 92, A61K 3902, A61K 950
Patent
active
049485865
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 benzophenone, para amino benzoic acid, benzil, 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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Bohm Howard A.
Friend Deborah R.
Lim Technology Laboratories, Inc.
Page Thurman K.
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