Chemical compounds
US10364217B2 · kind B2 · utility
0Cited by
1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2014 |
| Grant date | Jul 30, 2019 |
| Priority date | — |
| Expiry date | May 10, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/2882
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention relates to novel compounds of polyfunctionalized polyethylene and polypropylene glycols, their synthesis and their use, in particular as tracers in applications related to oil and gas production, and especially as specific markers of various target fluids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.