Oil field corrosion inhibition
US4927669A · kind A · utility
35Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 1988 |
| Grant date | May 22, 1990 |
| Priority date | — |
| Expiry date | Jul 15, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L58/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An inhibitor formulation including the product obtained by reacting maleic anhydride or fumaric acid with fatty acids containing unsaturation in the presence of a suitable catalyst, such as iodine, clay, or silica, is disclosed to provide improved corrosion inhibition in oil field equipment and piping over conventional dimer/trimier based inhibitor formulations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.