Phospholipid antimicrobial compositions

  • US 5,648,348 A
  • Filed: 04/20/1995
  • Issued: 07/15/1997
  • Est. Priority Date: 10/28/1991
  • Status: Expired due to Term
First Claim
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1. A method for inhibiting microbial growth of a broad spectrum of microorganisms which comprises contacting a substrate subject to attack by microorganisms selected from the group consisting of bacteria, fungi, yeasts and mold with an antimicrobially effective amount of an antimicrobial composition that comprises a mixture of mono-, di- and triesters of phosphoric acid of the formula:

  • ##STR11## wherein;

    x=1, 2, or 3x+y=3z=xa=0 to 2B=O-- or OMA=AnionM is a cationR, R1 and R2 are the same or different and are alkyl, hydroxyalkyl, alkyl aryl or alkenyl groups of up to 16 carbon atoms with the proviso that the total carbon atoms in R+R1 +R2 is between 10 and 24.

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