Calcium carbonate microparticles and processes for preparing them
US10112844B2 · kind B2 · utility
2Cited by
14References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2015 |
| Grant date | Oct 30, 2018 |
| Priority date | — |
| Expiry date | Mar 31, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/16
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention aims to provide techniques for efficiently preparing calcium carbonate particles having an average primary particle size of less than 1 μm. Calcium carbonate microparticles having an average primary particle size of less than 1 μm can be synthesized efficiently by synthesizing calcium carbonate in the presence of cavitation bubbles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.