Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Ester doai
Reexamination Certificate
2005-06-29
2010-10-05
Richter, Johann R (Department: 1616)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Ester doai
Reexamination Certificate
active
07807717
ABSTRACT:
A method for the control of insects breeding on water surfaces and particularly mosquitoes, comprising blending in a high shear mixer water, the ester of a fatty acid of 10 to 25 carbon atoms and a low molecular weight alcohol, such as methanol or ethanol, an emulsifying agent and a thickener until an emulsion containing the ester with droplet sizes ranging from 1 to 20 microns in diameter is obtained and applying such to the surface of insect infested water in sufficiently diluted form, to break the emulsion and form a thin continuous film.
REFERENCES:
patent: 3590119 (1971-06-01), Cardarelli et al.
patent: 6001382 (1999-12-01), Levy
patent: 6156833 (2000-12-01), Rauls
patent: 6281189 (2001-08-01), Heimann et al.
patent: 7048918 (2006-05-01), Warner et al.
Brown Courtney
Remediation and Natural Attenuation Services Inc
Richter Johann R
Sandt Bernd W.
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