Patent · US Expired

Production of fibers containing mainly polypropylene

US5466411A · kind A · utility

9Cited by

1References

7Claims

0Family size

Assignee

BASF SE

Inventors

Dieter Butterfass · Haßloch, DE
Hans-Joachim Schuhmacher · Neustadt, DE
Michael Mueller · Dresden, DE

Key dates

Filing date	May 12, 1994
Grant date	Nov 14, 1995
Priority date	—
Expiry date	May 12, 2014

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2969
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A process for producing fibers containing polypropylene as the main component by the method of melt spinning which includes melting a new binder-consolidated nonwoven and spinning the melt into new fibers.

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