Patent · US Expired

Preservative for aqueous products and systems

US5147884A · kind A · utility

15Cited by
2References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 12, 1990
Grant dateSep 15, 1992
Priority date
Expiry dateFeb 12, 2010

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01N31/14
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An antimicrobial composition for preserving products or systems containing an aqueous phase comprising from 10 to 60% by weight or tert.-butyl hydroperoxide, from 3 to 50% by weight of a monophenylglycol ether of formulas I or II herein, and the remainder a diluent which is water, an organic solvent or a mixture of water and organic solvent; and a method of use of the antimicrobial composition. The antimicrobial composition may additionally include up to about 20% by weight of a biocide selected from certain non-halogenated phenols, certain heterocyclic compounds and guanidine, phthalimide and urea derivatives.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.