Reduction of the adsorption of quaternary ammonium salts onto cellulosic fibers
US8328988B2 · kind B2 · utility
8Cited by
13References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 15, 2010 |
| Grant date | Dec 11, 2012 |
| Priority date | — |
| Expiry date | Nov 1, 2030 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H27/002
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A product comprising cellulosic fibers, 0.0001 to 0.03 moles of a water soluble metal salt per 100 grams of cellulosic fiber, based on the oven dry weight of the cellulosic fiber, water and a quantity quaternary ammonium salt to provide 100 to 3000 ppm of quaternary ammonium salt in solution. A process for making the product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.