Lubricating oil compositions and additives for use therein

Details Lubricating oil compositions and additives for use therein Lubricating oil compositions and additives for use therein

1991-10-24

1993-08-03

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 50, 252 515A, 252 25, 252 334, C10M13304

Patent

active

052326144

ABSTRACT:
Substituted para-phenylene diamines have been found to be effective antioxidants capable of protecting crankcase lubricating oils from thickening and sludge formation after prolonged exposure to oxygen at elevated temperature.

REFERENCES:
patent: 2451642 (1948-10-01), Watson
patent: 3230257 (1966-01-01), Schmerling
patent: 4032462 (1977-06-01), Hotten et al.
patent: 4292195 (1981-09-01), Morris
patent: 4456541 (1984-06-01), Wright
patent: 4568711 (1986-02-01), Kay et al.
patent: 4693837 (1987-09-01), Dixon
patent: 4711737 (1987-12-01), Bargoyne, Jr.
patent: 4904401 (1990-02-01), Ripple et al.

Affiliated with

Also associated with

Rating

Lubricating oil compositions and additives for use therein does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Lubricating oil compositions and additives for use therein, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lubricating oil compositions and additives for use therein will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2267982