Process for moving highly viscous petroleum products
US5535769A · kind A · utility
1Cited by
3References
6Claims
0Family size
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Key dates
| Filing date | Mar 2, 1995 |
| Grant date | Jul 16, 1996 |
| Priority date | — |
| Expiry date | Mar 2, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/0391
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Process for recovering and moving highly viscous petroleum products as aqueous dispersions in the presence of a sulphonate dispersing agent selected from the sulphonates of alkaline or earth-alkaline metals or ammonium of indene-cumarone sulphonate resins.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.