Compositions – Electrolytes for electrical devices
Patent
1991-10-23
1992-11-03
Howard, Jacqueline
Compositions
Electrolytes for electrical devices
252 515A, 252 57, 548520, C10M13344, C10M13358
Patent
active
051606496
ABSTRACT:
An ashless detergent additive having antioxidant and metal surface protection properties for lubricants or fuels is made from a Mannich condensation reaction between a hydrocarbylbissuccinimide, such as a dimer of a polyisobutenylsuccinimide (derived from tetraethylenepentamine), an aldehyde, such as formaldehyde, and a heteroatom substituted benzoic acid such as salicyclic acid, thiosalicyclic acid or aminosalicylic acid.
REFERENCES:
patent: 4354950 (1982-11-01), Hammond et al.
patent: 4636322 (1987-01-01), Nalesnik
patent: 4963278 (1990-10-01), Blain et al.
patent: 5017299 (1991-05-01), Gutierrez et al.
patent: 5062980 (1991-11-01), Migdal et al.
patent: 5076945 (1991-12-01), Habeeb et al.
Ser. No. 07/779,456, filed Oct. 18, 1991.
Cardis Angeline B.
Goyal Arjun K.
Shanholtz Carl E.
Wiszniewski Virginia C.
Howard Jacqueline
McKillop Alexander J.
Mobil Oil Corporation
Sinnott Jessica M.
Speciale Charles J.
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