Dihydrocarbyl substituted phenylenediamine-derived phenolic prod

Details Dihydrocarbyl substituted phenylenediamine-derived phenolic prod Dihydrocarbyl substituted phenylenediamine-derived phenolic prod

1990-08-23

1993-05-04

McAvoy, Ellen

Compositions

Electrolytes for electrical devices

252 475, 252390, 252401, C10M13314, C10M13354

Patent

active

052079392

ABSTRACT:
A lubricating oil, grease or fuel composition contains an antioxidant amount of a Mannich base reaction product of an N-hydrocarbyl-substituted-phenylenediamine or an N,N'-dihydrocarbyl-substituted phenylenediamine such as N,N'-di-sec-butyl-para-phenylenediamine, an aldehyde or ketone and a hindered phenol such as 2,6-di-tert-butylphenol.

REFERENCES:
patent: 3368972 (1968-02-01), Otto
patent: 3649229 (1972-03-01), Otto
patent: 4025316 (1977-05-01), Stover
patent: 4152499 (1979-05-01), Boerzel et al.
patent: 4396517 (1983-08-01), Gemmill, Jr. et al.
patent: 4787996 (1988-11-01), Horodysky et al.
patent: 4803004 (1989-02-01), Andress et al.
patent: 4806130 (1989-02-01), Chibnik
patent: 4895579 (1990-01-01), Andress et al.
patent: 4966721 (1990-10-01), Farng et al.

Affiliated with

Also associated with

Rating

Dihydrocarbyl substituted phenylenediamine-derived phenolic prod does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Dihydrocarbyl substituted phenylenediamine-derived phenolic prod, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dihydrocarbyl substituted phenylenediamine-derived phenolic prod will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1973167