Fine powder of polyamide from renewable materials and method for making such a powder
US10118997B2 · kind B2 · utility
0Cited by
5References
26Claims
0Family size
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Key dates
| Filing date | Jan 23, 2017 |
| Grant date | Nov 6, 2018 |
| Priority date | — |
| Expiry date | Jan 23, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a powder of polyamide PA (homopolyamide or copolyamide) derived at least partially from renewable materials, in which the particles have a nonspherical shape and a volume median diameter of less than or equal to 20 μm. The present invention also relates to a process for preparing such a powder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.