Method for inhibiting corrosion using phosphorous acid
US6706669B2 · kind B2 · utility
9Cited by
31References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2001 |
| Grant date | Mar 16, 2004 |
| Priority date | — |
| Expiry date | Jul 22, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/939
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a method for inhibiting high temperature of corrosion-prone metal surfaces by organic acid-containing petroleum streams by providing an effective corrosion-inhibiting amount of phosphorous acid, typically up to 1000 wppm, to the metal surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.