Boron-free glass composition and filtration media
US6277777A · kind A · utility
5Cited by
22References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 1999 |
| Grant date | Aug 21, 2001 |
| Priority date | — |
| Expiry date | Aug 3, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2992
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Novel boron-free glass compositions are described which are particularly suited for making fine diameter glass fibers for HEPA electronic clean-room filtration media using flame-attenuation or rotary glass processing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.