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US4177192A Expired / Lapsed US ⏱️ 0.0 years remaining

Succinimides of amino aromatic sulfonic acid salts

Assignee: Mobil Oil AS
•
Filing: 1977-04-22
•
Granted: 1979-12-04
•
Expires: 1997-04-22
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Abstract

Abstract Succinimides of aminoaryl sulfonic acid salts provide exceptional detergency, viscosity control and anticorrosion properties to lubricants and greases and to other fluid compositions useful in hydraulic systems. Ammonium, alkylammonium, alkali metal, alkaline earth metal and groups IB, IIB, VIB, VIIB, VIII metal salts of aminoaryl sulfonic acid salts, and the salts of sulfanilic acid in particular, can be reacted with alkenyl or alkylsuccinic anhydride, acid or ester, in which the alkenyl or alkyl group may contain from 8 to about 500 carbon atoms, to yield the products of this invention. These products are understood to be novel. Suitable modifications of the aforementioned are the succinimides of di(aminoaryl sulfonic acid) salts, aniline disulfonic acid salts and corresponding aminonaphthalene sulfonate salts which are also useful in the compositions of this invention.

Inventors

  • 👤 El-Ahmadi I. Heiba
  • 👤 Robert E. Kinney
  • 👤 George E. Stead

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 18:04
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; C07D207/408; C07D207/412; C10; C10M; C10M105/00; C10M105/08; C10M105/10; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/027; C10M2215/00; C10M2215/086; C10M2215/24; C10M2215/28; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/046; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/047; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/12; C10N2010/14; C10N2010/16; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/10

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 81 words
A compound of one of the formulae: ##STR14## wherein X is selected from the group consisting of (1) HNR' 3 , wherein R' is hydrogen, an alkyl group, an aminoalkyl group or a poly(aminoalkyl) group, said alkyl having from 1 to 20 carbon atoms, and (2) metal, Y is selected from the group consisting of hydrogen, halo, hydroxy and an alkyl group of from 1 to 20 carbon atoms and R is an alkenyl of from 5 to 1000 carbon atoms.
Claim 2
Dependent Claim 81 words
A compound of one of the formulae: ##STR14## wherein X is selected from the group consisting of (1) HNR' 3 , wherein R' is hydrogen, an alkyl group, an aminoalkyl group or a poly(aminoalkyl) group, said alkyl having from 1 to 20 carbon atoms, and (2) metal, Y is selected from the group consisting of hydrogen, halo, hydroxy and an alkyl group of from 1 to 20 carbon atoms and R is an alkenyl of from 5 to 1000 carbon atoms.
Claim 3
Dependent Claim 38 words
The compound of claim 1 wherein X is HNR' 3 and R' is selected from the group consisting of hydrogen, alkyl, aminoalkyl and poly(aminoalkyl), having from 1 to about 20 carbon atoms and both hydrogen and organo together.
Claim 4
Dependent Claim 29 words
The compound of claim 2 wherein R' is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms and both hydrogen and said alkyl together.
Claim 5
Dependent Claim 23 words
The compound of claim 1 wherein X is a metal selected from the group consisting of alkali metal, alkaline earth metal and zinc.
Claim 6
Dependent Claim 13 words
The compound of claim 1, formula 1, wherein the metal is alkaline earth.
Claim 7
Dependent Claim 12 words
The compound of claim 1, formula 1, wherein the metal is magnesium.
Claim 8
Dependent Claim 15 words
The compound of claim 6 wherein the alkenyl has from 30 to 500 carbon atoms.

References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-12-03 1983-06-04 1983-12-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-12-03 1987-06-04 1987-12-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-12-03 1991-06-04 1991-12-04 $7700.00 Window Closed / Lapsed

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