Doc Type: Granted Patent
Abstract

N-(hydroxymethyl)-N-(1,3-dihydroxymethyl-2,5-dioxo-4-imidazolidinyl)-N '-(hydroxymethyl)urea prepared by the reaction of allantoin with formaldehyde is disclosed. The compound exhibits activity against bacteria, mold and yeast and hence is useful as a preservative for products susceptible to microbial contamination.


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Document History
  • Publication: Dec 11, 1984
  • Application: Dec 10, 1980
    US US 21499380 A
  • Priority: Dec 10, 1980
    US US 21499380 A
  • Priority: Aug 28, 1979
    US US 7050279 A

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