Mixed phosphoric acid partial esters of oxyalkated and non-oxyalated fatty alcohols
US4973427A · kind A · utility
2Cited by
5References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 7, 1988 |
| Grant date | Nov 27, 1990 |
| Priority date | — |
| Expiry date | Apr 7, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S516/01
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Process for the fatting and hydrophobizing of tanned leather and pelts, wherein the tanned leather or pelt is fatted with an aqueous dispersion containing a natural optionally chemically modified leather fatting agent and a surface-active phosphoric acid partial ester and optionally a nonionic and/or an anionic carboxy group and/or sulfo group containing surfactant and subsequently treating the fatted leather or pelt in aqueous medium with a plyvalent metal cation; the treated substrates and the dispersions suitable for carrying out the process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.