Certain dithiocarbamates and method of use for reducing asphaltene precipitation in asphaltenic reservoirs
US5112505A · kind A · utility
13Cited by
13References
10Claims
0Family size
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Key dates
| Filing date | Sep 13, 1990 |
| Grant date | May 12, 1992 |
| Priority date | — |
| Expiry date | Sep 13, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/93
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Reduction of asphaltene precipitation in asphaltenic subterranean reservoirs treated with aqueous solutions of strong acid is achieved by utilizing novel dithiocarbamate compositions to sequester iron.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.