Process of heat treating structured polymer particles
US8912251B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Oct 30, 2013 |
| Grant date | Dec 16, 2014 |
| Priority date | — |
| Expiry date | Oct 30, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2333/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process comprising heating an aqueous dispersion of first structured polymer particles at a temperature of at least about 155° C., optionally in the presence of a base and/or a swelling agent, to produce an aqueous dispersion of heat treated structured polymer particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.