US PATENT SUBCLASS 436 / 61
.~ Acidity, basicity or neutralization number

Current as of: June, 1999
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436 /   HD   CHEMISTRY: ANALYTICAL AND IMMUNOLOGICAL TESTING

60  DF  LUBRICANT, GREASE, MINERAL OIL, HYDROCARBON OIL PRODUCT, OR FATS OR LIPIDS FOR OXIDATION (E.G., BREAKDOWN PRODUCTS OR CONTAMINATION, ETC.) {1}
61.~ Acidity, basicity or neutralization number

DEFINITION

Classification: 436/61

Acidity, basicity or neutralization number:

(under subclass 60) Processes or compositions in which acidity or basicity of a lubricant is determined.