Whitening of cellulosic textiles
US4199320A · kind A · utility
1Cited by
2References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 16, 1979 |
| Grant date | Apr 22, 1980 |
| Priority date | — |
| Expiry date | Jan 16, 1999 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06M13/288
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Cellulose fiber textiles are whitened by boiling in an aqueous alkaline solution containing 0.1 to 10% by weight of a hydrazine phosphonate or a hydrazine alkali phosphonate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.