Patent · US Active

Process of making cellulose acetate tow

US7585441B2 · kind B2 · utility

12Cited by
13References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 25, 2004
Grant dateSep 8, 2009
Priority date—
Expiry dateOct 30, 2026

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD01F2/28
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

In the manufacture of a fiber tow, particularly cellulose acetate tow, the tow is plasticized prior to entry into the crimper. The preferred plasticizer is water.

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