Method and kit for dosing iron ions in lubricating compositions
US10416083B2 · kind B2 · utility
0Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2016 |
| Grant date | Sep 17, 2019 |
| Priority date | — |
| Expiry date | Jun 6, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/20
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed is a method for dosing iron ions, by spectrophotometry, especially ferric and ferrous ions, contained in a used lubricating composition, especially a lubricating composition of a marine engine. The invention also relates to a kit for implementing the method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.