Copolyamides and compositions based on same
US6884865B1 · kind B1 · utility
0Cited by
9References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2001 |
| Grant date | Apr 26, 2005 |
| Priority date | — |
| Expiry date | Aug 7, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31725
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention concerns copolyamides obtained by using multifunctional monomers. It consists in using at least one multifunctional monomer comprising at least three reactive functions and at least another multifunctional monomer, in amounts such that the terminal group concentrations are balanced. The copolyamides are more particularly high viscosity copolyamides. The invention also concerns compositions based on said copolyamides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.