All-volatile multi-functional oxygen and carbon dioxide corrosion control treatment for steam systems
US5094814A · kind A · utility
16Cited by
12References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 15, 1990 |
| Grant date | Mar 10, 1992 |
| Priority date | — |
| Expiry date | Jun 15, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23F11/142
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A combination product containing (a) dihydroxyacetone, (b) hydroquinone, and (c) a volatile amine that is capable of removing oxygen and neutralizing carbon dioxide in industrial waters, particularly boiler waters, including boiler feed waters, internal boiling waters, condensate waters, and return waters. The combination product preferably contains weight ratios of ingredients (a):(b):(c) ranging from 1:0.01:0.1 to about 1:1:100, and may additionally contain a filming amine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.