Patent · US Expired

Composition having a base of cellulose formate capable of producing fibers or films

US5587238A · kind A · utility

27Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 6, 1995
Grant dateDec 24, 1996
Priority date
Expiry dateJun 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.