Method of making polymer hollow particles with controllable holes in their surfaces
US8696955B2 · kind B2 · utility
2Cited by
11References
18Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 30, 2009 |
| Grant date | Apr 15, 2014 |
| Priority date | — |
| Expiry date | Dec 10, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for making a hollow polymer particle having a single, substantially circular opening in its surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.