Silica glass powder and a method for its production and a silica glass body product made thereof
US5145510A · kind A · utility
21Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 4, 1991 |
| Grant date | Sep 8, 1992 |
| Priority date | — |
| Expiry date | Sep 4, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S65/901
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A silica glass powder suitable for the production of a silica glass body product of a low silanol content, which is obtained by baking a dried silica gel powder obtained by a sol-gel method, at a temperature of from 1,000.degree. to 1,400.degree. C., wherein during the baking period, the silica gel powder is baked in a gas atmosphere containing from 10 to 100% by volume of steam for at least 5 hours.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.