Phosphonium salt-containing corrosion inhibitors for high density brines
US4640786A · kind A · utility
7Cited by
23References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 1983 |
| Grant date | Feb 3, 1987 |
| Priority date | — |
| Expiry date | Oct 3, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/939
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Compositions useful as corrosion inhibitors for high density brines at high temperatures comprise phosphonium salts, such as triphenyldocosyl phosphonium chloride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.