Suede-like sheet materials of ultrafine fibers
US4368227A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 4, 1980 |
| Grant date | Jan 11, 1983 |
| Priority date | — |
| Expiry date | Apr 4, 2000 |
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.