B.sub.2 O.sub.3 Diffusion processes
US4379006A · kind A · utility
1Cited by
9References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 7, 1981 |
| Grant date | Apr 5, 1983 |
| Priority date | — |
| Expiry date | Aug 7, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S252/951
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Disclosed is a method of evolving B.sub.2 O.sub.3 from certain B.sub.2 O.sub.3 containing glass-ceramics by heating the glass-ceramic in the pressure of helium as a carrier or transport gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.