Use of tartronic acid as an oxygen scavenger
US5750037A · kind A · utility
8Cited by
12References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 1996 |
| Grant date | May 12, 1998 |
| Priority date | — |
| Expiry date | Oct 15, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F1/20
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
The invention is a method for removing dissolved oxygen from alkaline water which comprises adding to alkaline water containing dissolved oxygen an effective oxygen-scavenging amount of a water-soluble carboxylate at temperatures above 400.degree. F. A preferred material is tartronic acid. At lower temperatures, a catalyst is also required.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.