| CLASSIFICATION | CommPat |
| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 04.00 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- Contacting fabric under basic conditions with aq soln of surfactant - Removing effluent stream comprising at least some of hydrophobic contaminants in aq soln with said surfactant - Treat. effluent stream with acidic material to reduce pH sufficiently to cause the surfactant to irreversibly SPLIT into an aldehyde & polyol, thereby causing the hydrophobic contaminants to be released from the emulsion to create a water-insoluble phase & rel. contaminant-free aq phase - Sepn at least some of water-insoluble phase from aq phase Wherein surfactant is condensation prodt of - HOCH2-CHOH-CH2-O-(CH2CH2O)1-40-H - O=CH-(CH2)11-17-Me |
| PATENT PHOTOCOPY | Available on request |
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