Method and apparatus for determining the flocculation threshold of a petroleum product
US4940900A · kind A · utility
40Cited by
5References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 17, 1988 |
| Grant date | Jul 10, 1990 |
| Priority date | — |
| Expiry date | Aug 17, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/359
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The flocculation threshold of a petroleum product containing asphaltenes is measured by measuring the radiation in the near infrared transmitted through a sample of the product in solution in a solvent in relation to the quantity of precipitant continuously added to the sample.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.