Alloy fibers of rayon and copolymers of acrylic and methacrylic acids
US4066584A · kind A · utility
24Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 1975 |
| Grant date | Jan 3, 1978 |
| Priority date | — |
| Expiry date | Aug 11, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L15/225
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Highly absorbent, cardable cellulosic fibers are made by incorporating therein, an alkali metal or ammonium salt of a copolymer of acrylic acid and methacrylic acid, where the ratio of acrylic acid units to methacrylic acid units (by weight) is from 90:10 to 10:90.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.