Method and composition for creating gradient-index glass
US4756733A · kind A · utility
20Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1986 |
| Grant date | Jul 12, 1988 |
| Priority date | — |
| Expiry date | Apr 14, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C21/005
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Disclosed is an ion exchange process and composition useful therein for creating a gradient-index profile in a glass structure which uses a monovalent metal salt bath modified by the addition of a non-monovalent metal salt which provides for complexing of the outdiffusing cation (of the ion exchange process) to prevent poisoning via that cation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.