Bench test screening method for fluid antifoam additives
US8490471B1 · kind B1 · utility
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5References
13Claims
0Family size
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Key dates
| Filing date | Mar 23, 2012 |
| Grant date | Jul 23, 2013 |
| Priority date | — |
| Expiry date | Apr 28, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/2888
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for evaluating antifoam additives for lubricants. The method includes a step of aging a quantity of fluid containing an antifoam additive in one or more high shear simulator(s) for a period of time to provide an aged fluid. After the aging step, the fluid is evaluated in a foam tendency evaluation test to provide the foaming tendency for the fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.