Patent · US Expired

Unmodified polyvinyl alcohol films and fibers and methods of making the same

US6020425A · kind A · utility

30Cited by
13References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 1, 1998
Grant dateFeb 1, 2000
Priority date
Expiry dateJun 1, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31504
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

This invention relates, in general, to thermoplastic film and fiber structures and methods of making the same. More specifically, this invention relates to substantially water-free films and fibers comprising unmodified polyvinyl alcohol.

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