Microfibrous structures
US4234652A · kind A · utility
59Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 1979 |
| Grant date | Nov 18, 1980 |
| Priority date | — |
| Expiry date | Apr 6, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/625
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Microfibers of thermoplastic polymeric materials which have occluded therein materials such as pigments, dyestuffs, medicaments and other man-made or synthetic materials that can be released therefrom as desired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.