Preparation of polymer particles
US7785660B2 · kind B2 · utility
1Cited by
7References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 4, 2002 |
| Grant date | Aug 31, 2010 |
| Priority date | — |
| Expiry date | Aug 9, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/254
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for the preparation of polymer magnetic particles, which comprises: providing polymer particles having a porous interior, and contacting the polymer particles with a magnetic fluid comprising a homogeneous dispersion of magnetic particles, whereby the magnetic particles are incorporated into the porous interior to produce polymer magnetic particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.