Articles of manufacture containing increased stability low concentration gases and methods of making and using the same
US7837806B2 · kind B2 · utility
3Cited by
105References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2009 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Jan 13, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/188
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Articles of manufacture and methods of making and using same concern a container having an internal space and a passivated internal metal surface. The container contains a composition of an acid gas and a balance gas contained within the internal space and in contact with the passivated internal metal surface. The stability of the acid gas concentration over time is enhanced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.