Process for making finely divided solids
US4981535A · kind A · utility
22Cited by
12References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 4, 1985 |
| Grant date | Jan 1, 1991 |
| Priority date | — |
| Expiry date | Sep 4, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S241/37
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Solid particles of microscopic size are mixed in a nitrogen atmosphere at conditions of pressure and temperature such that at least a monolayer of nitrogen molecules is adsorbed on the particle surfaces but at conditions at which liquid nitrogen cannot exist in the mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.