Process for removing dissolved oxygen from water and system therefor
US5190627A · kind A · utility
13Cited by
9References
5Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 24, 1992 |
| Grant date | Mar 2, 1993 |
| Priority date | — |
| Expiry date | Apr 24, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2103/04
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Ultrapure water is formed by a process employing a simple system for safely and easily removing oxygen from water containing dissolved oxygen; which process comprises dissolving a reducing agent in water containing dissolved oxygen and irradiating the resulting water with ultraviolet rays. The ultrapure water is particularly utilized as a rinsing water in the electronics industry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.