Polyamide copolymers
US4218509A · kind A · utility
22Cited by
9References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 1975 |
| Grant date | Aug 19, 1980 |
| Priority date | — |
| Expiry date | Mar 13, 1995 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01D5/253
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Filaments and fibers formed from a ternary fibre-forming polyamide consisting essentially of the polymeric condensation product of (1) at least 50 percent by weight of hexamethylene diammonium adipate, (2) 20-40 percent by weight of hexamethylene diammonium terephthalate and (3) 2-20 percent by weight of a third polyamide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.