Organic-inorganic composite particle and process for preparation thereof
US7488534B2 · kind B2 · utility
10Cited by
9References
8Claims
0Family size
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Key dates
| Filing date | Jan 21, 2004 |
| Grant date | Feb 10, 2009 |
| Priority date | — |
| Expiry date | Jun 2, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An organic-inorganic composite particle containing an inorganic particle having a plurality of polymer particles attached to the inorganic particle and a polymer layer encapsulating the attached polymer particles. A process is provided for the organic-inorganic composite particle. The organic-inorganic composite particle is useful in the preparation of dried coatings that have improved hiding, whiteness, or gloss.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.