Composition having a base of cellulose formate capable of producing fibers or films
US5587238A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 6, 1995 |
| Grant date | Dec 24, 1996 |
| Priority date | — |
| Expiry date | Jun 6, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2965
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A composition having a base of cellulose formate capable of producing fibers or films, containing as solvent one or more compounds selected from the group consisting of alkylsulfoxides, lactams, acyclic amides and cyclic derivatives of urea. A process for obtaining these fibers and films. A regenerated cellulose fiber the degree of substitution of which by formate groups is less than 3%. This fiber can be used for textile applications or in order to reinforce tires.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.