Method for evaluating properties of polypropylene resin, method for preparing polypropylene non-woven fabric, and polypropylene non-woven fabric
US11913935B2 · kind B2 · utility
0Cited by
3References
13Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 21, 2019 |
| Grant date | Feb 27, 2024 |
| Priority date | — |
| Expiry date | Nov 29, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2203/0075
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention relates to polypropylene non-woven fabric having excellent loft property, a method for preparing polypropylene non-woven fabric having excellent loft property, and a method for evaluating the properties of the polypropylene resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.