Patent · US Expired

Suede-like sheet materials and method of producing the same

US4147574A · kind A · utility

20Cited by
3References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 6, 1977
Grant dateApr 3, 1979
Priority date
Expiry dateJul 6, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/3772
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A suede-like sheet material characterized by being formed of a base cloth and ultrafine fibers of a denier less than 0.5 per filament, said ultrafine fibers being entangled with each other and covering at least one surface of the base cloth, wherein a portion of said ultrafine fibers is stuffed into the gaps in the network of the base cloth, at least a portion of said ultrafine fibers being entangled with the component fibers of the base cloth, and said base cloth and ultrafine fibers being substantially integrated with each other.

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