Abrasion-resistant agglomerate mineral substance granule, powder comprising such granules and production method therefor
US7122249B2 · kind B2 · utility
0Cited by
27References
31Claims
0Family size
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Key dates
| Filing date | Feb 22, 2002 |
| Grant date | Oct 17, 2006 |
| Priority date | — |
| Expiry date | Feb 22, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2991
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Granule comprising an agglomerate of particles of a mineral substance. The agglomerate is coated with a monolithic outer layer, which provides it with improved abrasion resistance.Powder comprising granules according to the invention.Process for manufacturing the powder according to the invention, which includes an agglomeration step and a coating step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.