Dissolution and processing of cellulose
US9358251B2 · kind B2 · utility
1Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 22, 2007 |
| Grant date | Jun 7, 2016 |
| Priority date | — |
| Expiry date | Nov 29, 2029 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2509/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a method for dissolving the components of gel forming materials suitable for use in wound care comprising the steps of admixing said components with an ionic liquid. The ionic liquid may be selected from the group of tertiary amine N-oxides, N,N-dimethyl formamide/nitrogen tetroxide mixtures, dimethyl sulphoxide/paraformaldehyde mixtures and solutions of limium chloride in N,N-dimethyl acetamide or N-methyl pyrrolidone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.