Mannich base composition

Compositions – Electrolytes for electrical devices

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

252 475, 252 515R, 2605705P, C10M 154

Patent

active

041573099

ABSTRACT:
New Mannich bases and the alkaline earth metal salts thereof are prepared by condensing formaldehyde and a polyamine with a sulfur-containing phenolic mixture consisting of (1) from 5 to 35 mol percent of a sulfurized alkylphenol of the formula ##STR1## wherein R is C.sub.8 -C.sub.36 alkyl, n is an integer from 1 to 8, and y is an integer from 1 to 9, and (2) from 95 to 65 mol percent of phenol alkylated with a propylene tetramer. They are useful as highly alkaline additives for lubricating oils, particularly for use in marine cylinder, railroad, and automotive diesel lubricating oils.

REFERENCES:
patent: 3368972 (1968-02-01), Otto
patent: 3586629 (1971-06-01), Otto et al.
patent: 3736357 (1973-05-01), Piasek et al.
patent: 3741896 (1973-06-01), Abbott et al.
patent: 3809648 (1974-05-01), Hotten

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Mannich base composition does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Mannich base composition, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Mannich base composition will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1707543

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.