Patent · US Expired

Dry-spun modacrylic filaments with improved coloristic properties

US4014958A · kind A · utility

1Cited by

5References

5Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Ralf Miessen
Gunter Blankenstein
Siegfried Korte · Odenthal, DE
Carlhans Suling · Odenthal, DE

Key dates

Filing date	Nov 11, 1975
Grant date	Mar 29, 1977
Priority date	—
Expiry date	Nov 11, 1995

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD01F6/54
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The invention relates to dry-spun modacrylic filaments with improved coloristic properties based on a polymer mixture, which comprises at least one acrylonitrile-vinyl chloride copolymer and a chlorine-containing copolymer containing sulphonic acid ester groups or sulphuric acid ester groups.

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