Particles with radial variation
US11633729B2 · kind B2 · utility
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4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2018 |
| Grant date | Apr 25, 2023 |
| Priority date | — |
| Expiry date | Mar 11, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2207/53
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polymeric bead having radius R wherein the polymer comprises 0.3% to 20% by weight, based on the weight of the polymer, of polymerized units of one or more multifunctional vinyl monomer and 80% to 99.7% by weight, based on the weight of the polymer, of polymerized units of one or more monofunctional vinyl monomer,
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.