Resin microparticle production method and resin particles
US11230628B2 · kind B2 · utility
0Cited by
5References
12Claims
0Family size
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Key dates
| Filing date | Dec 25, 2017 |
| Grant date | Jan 25, 2022 |
| Priority date | — |
| Expiry date | Jan 28, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2381/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A resin microparticle production method includes a step of pulverizing resin particles having a thermoplastic resin as a forming material and having a BET specific surface area of equal to or more than 5 m2/g using an impact type pulverizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.