Agent and method for treating wool fibers wherein the agent is tris(hydroxypropyl)phosphine and/or alkylene oxide addition products thereof
US5147409A · kind A · utility
2Cited by
5References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 4, 1989 |
| Grant date | Sep 15, 1992 |
| Priority date | — |
| Expiry date | May 4, 2009 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P1/667
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention discloses an agent and a method of treating wool fibers using the agent which contains as an active ingredient, one or more water-soluble organic phosphine compounds selected from the group comprising hydroxyalkylphosphines expressed by the following formula: ##STR1## (wherein R.sup.1 denotes a hydroxyalkyl group having 1 to 10 carbon atoms and R.sup.2 and R.sup.3 each denotes an alkyl or hydroxyalkyl group having 1 to 10 carbon atoms) and derivatives thereof such as alkylene oxide addition products, phosphonium salts and quaternary phosphonium compounds thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.