Precipitated calcium carbonate for reducing emissions of volatile organic compounds
US11498848B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Apr 12, 2018 |
| Grant date | Nov 15, 2022 |
| Priority date | — |
| Expiry date | Feb 25, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/20
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Use of a porous precipitated calcium carbonate (PCC) to retain volatile organic compounds (VOCs), a method of reducing emission of VOCs from a composition, the method comprising adding a porous PCC to the composition, said compositions such as polymer compositions and methods of making said compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.