Process for preparing improved overbased calcium sulfonate

Details Process for preparing improved overbased calcium sulfonate Process for preparing improved overbased calcium sulfonate

1990-03-05

1991-03-05

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 18, 252 25, 252 332, 252 334, C10M13510

Patent

active

049975846

ABSTRACT:
A method of preparing a calcium sulfonate having a TBN of 500 where the method comprises reacting CaO, Ca(OH).sub.2 and H.sub.2 O, and synthetic and natural sulfonates in certain molar ratios, respectively, for a sufficient length of time to produce the overbased calcium sulfonate.

REFERENCES:
patent: 4086170 (1978-04-01), Clippelier
patent: 4427559 (1984-01-01), Whittle
patent: 4604219 (1986-08-01), Whittle
patent: 4664822 (1987-05-01), Hunt
patent: 4668409 (1987-05-01), Yamaguchi
patent: 4780224 (1988-10-01), Jao
patent: 4810396 (1989-03-01), Jao
patent: 4879053 (1989-11-01), Matthews
patent: 4880550 (1989-11-01), Hunt

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