Apparatus for making carboxylated pulp fibers
US7001483B2 · kind B2 · utility
42Cited by
18References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 5, 2003 |
| Grant date | Feb 21, 2006 |
| Priority date | — |
| Expiry date | Oct 29, 2023 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21C9/1047
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An apparatus for carboxylating wood pulp which utilizes the wood pulp bleach plant and the method of carboxylating the pulp which takes place in the bleach plant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.