Oil additive concentrates and lubricants of enhanced performance

Details Oil additive concentrates and lubricants of enhanced performance Oil additive concentrates and lubricants of enhanced performance

1991-06-21

1994-07-12

McAvoy, Ellen M.

Compositions

Electrolytes for electrical devices

252 327R, 252 327E, 252 34, 252 45, 252 496, 252 50, 252 56R, C10M13900, C10M13300

Patent

active

053286197

ABSTRACT:
Haze formation in additive concentrates containing boron-containing ashless dispersants is inhibited, and improvements in performance capabilities can be realized, by suitably controlling the pH of the concentrate as produced. Not only does such pH control result in no sacrifice in wear and corrosion inhibition, but it has been found possible by suitable adjustment and control of pH to actually improve the effectiveness of the concentrate in its ability to inhibit wear and corrosion. Moreover, such pH control makes possible the provision of compositions having enhanced extreme pressure properties as seen in the standard L-42 test, and improved antirust performance as seen in the standard L-33 test.

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