Published June 19, 1984
| Version v1
Patent
Chemically durable nitrogen containing phosphate glasses useful for sealing to metals
Creators
Description
The chemical durability of alkali phosphate glasses is improved by incorporation of up to 23 weight percent of nitrogen. A typical phosphate glass contains: 10 to 60 mole % of Li2O, Na2O or K2O; 5-40 mole % of BaO or CaO; 0-1 to 10 mole % of Al2O3; and 40-70 mole % of P2O5. Nitrides, such as AlN, are the favored additives
Availability note (English)
U.S. Commissioner of Patents, Washington, D.C. 20231, USA, $.50.Additional details
Publishing Information
- Imprint Pagination
- v p.
- IPC:
- Int. Cl. C03C 3/16.
- IPC
- Int. Cl. C03C 3/16.
- Patent number
- US patent document 4,455,384/A/
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 16030114
- Subject category
- S36: MATERIALS SCIENCE;
- Resource subtype / Literary indicator
- Non-conventional Literature
- Descriptors DEI
- ALUMINIUM NITRIDES; ALUMINIUM OXIDES; BARIUM OXIDES; CALCIUM OXIDES; CHEMICAL COMPOSITION; CHEMICAL PREPARATION; CHEMICAL PROPERTIES; LITHIUM OXIDES; MOLECULAR STRUCTURE; NITROGEN; PHOSPHATE GLASS; PHOSPHATES; PHOSPHORUS OXIDES; POTASSIUM OXIDES; SODIUM OXIDES; STABILITY
- Descriptors DEC
- ALKALI METAL COMPOUNDS; ALKALINE EARTH METAL COMPOUNDS; ALUMINIUM COMPOUNDS; BARIUM COMPOUNDS; CALCIUM COMPOUNDS; CHALCOGENIDES; ELEMENTS; GLASS; LITHIUM COMPOUNDS; NITRIDES; NITROGEN COMPOUNDS; NONMETALS; OXIDES; OXYGEN COMPOUNDS; PHOSPHORUS COMPOUNDS; POTASSIUM COMPOUNDS; SODIUM COMPOUNDS; SYNTHESIS
Optional Information
- Notes
- PAT-APPL-447847.