Patent · US Expired

Rayon modified with polymeric amine compounds

US5529585A · kind A · utility

10Cited by

8References

9Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Andreas Schrell · Hofheim, DE
Bernd Huber · Schorndorf, DE

Key dates

Filing date	Jun 7, 1995
Grant date	Jun 25, 1996
Priority date	—
Expiry date	Jun 7, 2015

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S8/921
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Modified cellulose fiber is produced by adding a modifier to a cellulose solution and spinning fibers from the solution, or by adding a modifier to a viscose solution and spinning fibers by the viscose spinning process, said modifier being a polymeric amine compound having pendant primary, secondary or tertiary amino groups and having a molecular mass of more than 1000.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.