Composition for the treatment for municipal and industrial waste-water
US5879928A · kind A · utility
53Cited by
34References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 7, 1996 |
| Grant date | Mar 9, 1999 |
| Priority date | — |
| Expiry date | Oct 7, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W10/37
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A composition for the treatment of municipal and industrial waste-water. The composition comprises a yeast fermentation supernatant, preservatives and a non-ionic surfactant. In a preferred embodiment of the present invention the composition comprises a fermentation supernatant from a Saccharomyces cerevisiae culture, sodium benzoate, imidazolidinyl urea, diazolidinyl urea and a non-ionic surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.