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US4482464A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydrocarbyl-substituted mono- and bis-succinimide having polyamine chain linked hydroxyacyl radicals and mineral oil compositions containing same

Assignee: Afton Chemical Additives Corp
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Filing: 1983-02-14
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Granted: 1984-11-13
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Expires: 2003-02-14
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Abstract

Abstract A hydrocarbyl-substituted mono- and bis-succinimide having polyamine chain linked hydroxyacyl radicals represented by the formula: ##STR1## in which R is a hydrocarbyl radical having from about 8 to 400 carbon atoms, X is a divalent alkylene or secondary hydroxy-substituted alkylene radical having from 2 to 3 carbon atoms, A is hydrogen or a hydroxyacyl radical from the group consisting of glycolyl, lactyl, 2-hydroxymethyl propionyl and 2,2'-bis-hydroxymethyl propionyl radicals and in which at least 30 percent of said radicals represented by A are said hydroxyacyl radicals, x is a number from 1 to 6, and R' is a radical selected from the group consisting of --NH 2 , --NHA, or a hydrocarbyl substituted succinyl radical having the formula: ##STR2## in which R and A have the values noted above, and a hydrocarbon oil composition containing same are provided.

Inventors

  • 👤 Thomas J. Karol
  • 👤 Raymond C. Schlicht
  • 👤 Harold S. Magaha

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 01:14
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; C10M133/00; C10M133/02; C10M133/16; C10M133/52; C10M133/56; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/086; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06

Claims Analysis

Total Claims: 21
Claim 1
Independent Claim 129 words
A hydrocarbyl-substituted mono- and bis-succinimide having polyamine chain linked hydroxyacyl radicals represented by the formula: ##STR9## in which R is a hydrocarbyl radical having from about 8 to 400 carbon atoms, X is a divalent alkylene or secondary hydroxy substituted alkylene radical having from 2 to 3 carbon atoms, A is hydrogen or a hydroxyacyl radical selected from the group consisting of glycolyl, lactyl, 2-hydroxy-methyl propionyl and 2,2'-bis-hydroxymethyl propionyl radicals and in which at least 30 percent of said radicals represented by A are said hydroxyacyl radicals, x is a number from 1 to 6, and R' is a radical selected from the group consisting of --NH 2 ,--NHA, or a hydrocarbyl substituted succinyl radical having the formula: ##STR10## in which R and A have the values noted above.
Claim 2
Dependent Claim 129 words
A hydrocarbyl-substituted mono- and bis-succinimide having polyamine chain linked hydroxyacyl radicals represented by the formula: ##STR9## in which R is a hydrocarbyl radical having from about 8 to 400 carbon atoms, X is a divalent alkylene or secondary hydroxy substituted alkylene radical having from 2 to 3 carbon atoms, A is hydrogen or a hydroxyacyl radical selected from the group consisting of glycolyl, lactyl, 2-hydroxy-methyl propionyl and 2,2'-bis-hydroxymethyl propionyl radicals and in which at least 30 percent of said radicals represented by A are said hydroxyacyl radicals, x is a number from 1 to 6, and R' is a radical selected from the group consisting of --NH 2 ,--NHA, or a hydrocarbyl substituted succinyl radical having the formula: ##STR10## in which R and A have the values noted above.
Claim 3
Dependent Claim 24 words
A hydrocarbyl-substituted mono- and bis-succinimide according to claim 1 in which at least 50 percent of said radicals represented by A are hydroxyacyl radicals.
Claim 4
Dependent Claim 22 words
A hydrocarbyl-substituted mono- and bis-succinimide according to claim 1 in which substantially all of said radicals represented by A are hydroxyacyl radicals.
Claim 5
Dependent Claim 24 words
A hydrocarbyl-substituted mono- and bis-succinimide according to claim 1 in which at least 30 percent of said radicals represented by A are glycolyl radicals.
Claim 6
Dependent Claim 25 words
A hydrocarbyl substituted mono- and bis-succinimide according to claim 1 in which at least 30 percent of said radicals represented by A are lactyl radicals.
Claim 7
Dependent Claim 92 words
An alkenyl succinimide represented by the formula: ##STR11## in which R is an alkenyl radical having from about 50 to 200 carbon atoms, X is a divalent --CH 2 --CH 2 --, or --CH 2 --CHOH--CH 2 --radical, A is hydrogen or a glycolyl radical in which 50 to 100 percent of said radicals represented by A is said glycolyl radical, x is a number from 2 to 4, and R' is a radical selected form the group consisting of --NH 2 and --NHA in which A has the value noted above.
Claim 8
Dependent Claim 92 words
An alkenyl succinimide represented by the formula: ##STR11## in which R is an alkenyl radical having from about 50 to 200 carbon atoms, X is a divalent --CH 2 --CH 2 --, or --CH 2 --CHOH--CH 2 --radical, A is hydrogen or a glycolyl radical in which 50 to 100 percent of said radicals represented by A is said glycolyl radical, x is a number from 2 to 4, and R' is a radical selected form the group consisting of --NH 2 and --NHA in which A has the value noted above.
Claim 9
Dependent Claim 94 words
An alkenyl succinimide represented by the formula: ##STR12## in which R is an alkenyl radical having from about 50 to 200 carbon atoms, X is a divalent --CH 2 --CH 2 --, or a divalent --CH 2 --CHOH--CH 2 --radical, A is hydrogen or a glycolyl radical in which at least 70 percent of said radicals represented by A are said glycolyl radical, x is a number from 2 to 4 and R' is a radical selected from the group consisting of --NH 2 and --NHA in which A has the value noted above.
Claim 10
Dependent Claim 94 words
An alkenyl succinimide represented by the formula: ##STR12## in which R is an alkenyl radical having from about 50 to 200 carbon atoms, X is a divalent --CH 2 --CH 2 --, or a divalent --CH 2 --CHOH--CH 2 --radical, A is hydrogen or a glycolyl radical in which at least 70 percent of said radicals represented by A are said glycolyl radical, x is a number from 2 to 4 and R' is a radical selected from the group consisting of --NH 2 and --NHA in which A has the value noted above.
Claim 11
Dependent Claim 22 words
An alkenyl succinimide according to claim 7 in which 85 to 100 percent of said radicals represented by A are glycolyl radicals.
Claim 12
Dependent Claim 148 words
A lubricant composition comprising a major proportion of an oil of lubricating viscosity and a minor dispersant amount of a hydrocarbyl-substituted mono- and bis-succinimide compound having branched hydroxyacyl radicals represented by the formula: ##STR13## in which R is a hydrocarbyl radical having from about 8 to 400 carbon atoms, X is a divalent alkylene or secondary hydroxy substituted alkylene radical having from 2 to 3 carbon atoms, A is hydrogen or a hydroxyacyl radical selected from the group consisting of glycolyl, lactyl, 2-hydroxymethyl propionyl and 2,2'-bis-hydroxymethyl propionyl radicals and in which at least 30 percent of said radicals represented by A are said hydroxyacyl radicals, x is a number from 1 to 6, and R' is a radical selected from the group consisting of --NH 2 , --NHA or a hydrocarbyl substituted succinyl radical having the formula: ##STR14## in which R and A have the values noted above.
Claim 13
Dependent Claim 148 words
A lubricant composition comprising a major proportion of an oil of lubricating viscosity and a minor dispersant amount of a hydrocarbyl-substituted mono- and bis-succinimide compound having branched hydroxyacyl radicals represented by the formula: ##STR13## in which R is a hydrocarbyl radical having from about 8 to 400 carbon atoms, X is a divalent alkylene or secondary hydroxy substituted alkylene radical having from 2 to 3 carbon atoms, A is hydrogen or a hydroxyacyl radical selected from the group consisting of glycolyl, lactyl, 2-hydroxymethyl propionyl and 2,2'-bis-hydroxymethyl propionyl radicals and in which at least 30 percent of said radicals represented by A are said hydroxyacyl radicals, x is a number from 1 to 6, and R' is a radical selected from the group consisting of --NH 2 , --NHA or a hydrocarbyl substituted succinyl radical having the formula: ##STR14## in which R and A have the values noted above.
Claim 14
Dependent Claim 25 words
A lubricant composition according to claim 9 in which at least 50 percent of said radicals represented by A in said succinimide are hydroxyacyl radicals.
Claim 15
Dependent Claim 23 words
A lubricant composition according to claim 9 in which substantially all of said radicals represented by A in said succinimide are hydroxyacyl radicals.
Claim 16
Dependent Claim 25 words
A lubricant composition according to claim 9 in which 50 to 100 percent of said radicals represented by A in said succinimide are glycolyl radicals.
Claim 17
Dependent Claim 25 words
A lubricant composition according to claim 9 in which at least 70 percent of said radicals represented by A in said succinimide are glycolyl radicals.
Claim 18
Dependent Claim 25 words
A lubricant composition according to claim 9 in which 50 to 100 percent of said radicals represented by A in said succinimide are lactyl radicals.
Claim 19
Dependent Claim 18 words
A lubricant composition according to claim 9 containing from about 0.01 to 10 weight percent of said compound.
Claim 20
Dependent Claim 18 words
A lubricant composition according to claim 9 containing from about 0.5 to 5 weight percent of said compound.
Claim 21
Dependent Claim 23 words
A mineral oil composition containing from about 0.001 to 80 weight percent of said mineral oil composition of the succinimide of claim 1.

References Cited (Backward Citations)

US3172892A Cited
US3185704A Cited
US4048080A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-11-13 1988-05-14 1988-11-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-11-13 1992-05-14 1992-11-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-11-13 1996-05-14 1996-11-13 $7700.00 Window Closed / Lapsed

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