Patent ID: 7358217
Filing Date: 2008-04-15
Classification: C10M,C10N,C21D

Abstract:
1. A quenching oil composition comprising (1) an oil having kinematic viscosity at 40° C. ranging from about 4 to about 45 mm (2) an alkali metal salt of a saligenin derivative represented by the formula where each M is, independently, an alkali metal, each R containing 1 to 60 carbon atoms, each p is a number ranging from 0 to 3 with the proviso that at least one p is at least 1, each X is, independently, H, CHO or CH 2 OH, provided that at least one X is CH 2 OH, each Y is, independently, CH 2 or CH 2 OCH 2 and m ranges from 0 to about 10.