Quality control of a functional fluid

Details Quality control of a functional fluid Quality control of a functional fluid

2006-11-13

2009-06-30

Griffin, Walter D (Department: 1797)

Chemistry: analytical and immunological testing

Lubricant, grease, mineral oil, hydrocarbon oil product, or...

C436S056000

Reexamination Certificate

active

07553673

ABSTRACT:
The present invention describes use of use of a metal compound to control the quality of a functional fluid. Additionally, the present invention concerns a method for controlling the quality of a functional fluid comprising the steps of:adding a metal compound to a component of a lubricant;mixing the component with a base oil;measuring the concentration of the metal compound in the functional fluid; andcomparing the expected concentration of the metal compound with the measured concentration.

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