Bleached polyacrylic acid crosslinked cellulosic fibers
US7513973B2 · kind B2 · utility
11Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2004 |
| Grant date | Apr 7, 2009 |
| Priority date | — |
| Expiry date | May 4, 2024 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H11/20
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Bleached polyacrylic acid crosslinked cellulosic fibers, methods for making the fibers, and products including the fibers. The bleached polyacrylic acid crosslinked cellulosic fibers are polyacrylic acid crosslinked cellulosic fibers that have been treated with one or more bleaching agents to provide crosslinked cellulosic fibers having improved whiteness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.