Deactivation of spent silicon powder
US5126203A · kind A · utility
3Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 1991 |
| Grant date | Jun 30, 1992 |
| Priority date | — |
| Expiry date | Sep 3, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Residual silicone from direct process manufacture of chlorosilanes is stabilized for transportation and disposal by pelletizing finely divided particles of finely divided residual silicon powder contaminated with chlorine, hydrogen, and oxygen and highly reactive and exothermic upon exposure to moisture, and impregnating the pellets with an organic binder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.