Oil soluble photoprotective compounds and compositions from...

Details Oil soluble photoprotective compounds and compositions from... Oil soluble photoprotective compounds and compositions from...

2003-03-24

2009-02-24

Richter, Johann R (Department: 1616)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Biocides; animal or insect repellents or attractants

C424S407000

Reexamination Certificate

active

07494662

ABSTRACT:
Co-product streams derived from the manufacture of vegetable oil were further processed producing materials that possess strong absorbance of visible and ultraviolet light. The compounds contributing to the light absorbance were increased and standardized to produce a fat-soluble composition with consistent and strong absorbance of ultraviolet and visible light. The fat-soluble composition is a useful photoprotective agent for various applications including protection of herbicides and pesticides. In a preferred embodiment acidulated vegetable oil is blended to a constant absorbance of light between 190 and 400 nm and used in a formula to protect a field-applied herbicide.

REFERENCES:
patent: 3425938 (1969-02-01), Bloomberg et al.
patent: 4280962 (1981-07-01), Watanabe et al.
patent: 5521144 (1996-05-01), Farr et al.
Carr, R. A. J. Am. Oil Chemists' Soc. 1976, 53, p. 347-352.
Mattil, et al. Bailey's Industrial Oil and Fat Products, 3rd edition, John Wiley & Sons: New York, 1964, pp. 719-722, 727-728, 731-733, and 757-760.

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