Method of preparing organic peroxyacids

Details Method of preparing organic peroxyacids Method of preparing organic peroxyacids

2007-06-26

2007-06-26

Witherspoon, Sikarl A. (Department: 1621)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Biocides; animal or insect repellents or attractants

C562S830000, C252S183120

Reexamination Certificate

active

10448101

ABSTRACT:
A system for a fast-rate preparation just before use of organic peroxyacids, in a hydroalcoholic environment, by mixing at temperatures lower than 40° C., preferably lower than 25° C., a first reactant and a second reactant, kept separate from each other during storage, to obtain an activated solution, the first reactant is in the solid or liquid state at a temperature from 5 to 45° C. and includes at least one acyl donating group, and the second reactant is in the solid state, at least in the temperature range from 5° C. and 40° C., and comprises a peroxide anion source in a concentration such as to provide at least 10-fold molar excess of peroxide with respect to the stoichiometric amount of the acyl-donor, a biocidal agent including at least one C1–C18linear or branched aliphatic and/or aromatic alcohol, and a stabilizing buffer component suitable for keeping the second reactant at a desired pH value.

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patent: 2002/0004057 (2002-01-01), Tabasso
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Block S S, “Disinfection, Sterilization and Preservation”, Disinfection, Sterilization, and Preservation, Philadelphia, Lea & Febiger, US, pp. 172-181; XP002112246, 1992.

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