Preservative for aqueous products and systems
US5147884A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 12, 1990 |
| Grant date | Sep 15, 1992 |
| Priority date | — |
| Expiry date | Feb 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.