Combining dispersant viscosity index improver and detergent addi

Details Combining dispersant viscosity index improver and detergent addi Combining dispersant viscosity index improver and detergent addi

1992-06-05

1994-05-24

McAvoy, Ellen M.

Compositions

Electrolytes for electrical devices

252 330, 252 50, C10M13510, C10M13358

Patent

active

053146328

ABSTRACT:
Lubricants with enhanced viscosities are made from additives by combining dispersant viscosity index polymer, like dispersancy-substituted polyolefins, and detergent, like overbased, oil-soluble, metal salts, before adding dispersant package.

REFERENCES:
patent: 4160739 (1979-07-01), Stambaugh et al.
patent: 4502971 (1985-03-01), Robson
patent: 4863623 (1989-09-01), Nalesnik
patent: 4981603 (1991-06-01), Demange
Smalheer & Smith, "Lubricant Additives", 1967.

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