Dissolution and processing of cellulose
US10179823B2 · kind B2 · utility
7Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 2016 |
| Grant date | Jan 15, 2019 |
| Priority date | — |
| Expiry date | Jun 26, 2036 |
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.