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US4551257A Expired / Lapsed US ⏱️ 0.0 years remaining

Amides from dialkylenetriamines and lubricant and fuel compositions containing same

Assignee: Mobil Oil AS
•
Filing: 1983-10-13
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Granted: 1985-11-05
•
Expires: 2003-10-13
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Abstract

Abstract Amides from N-hydrocarbyl hydrocarbylenetriamine, which can be made by the reaction of the appropriate triamine and organic monocarboxylic acid, demonstrate friction reducing properties when formulated into lubricants, particularly lubricating oils, and fuel consumption reduction properties when formulated into such lubricants or into fuels.

Inventors

  • 👤 Andrew G. Horodysky

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 18:16
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/08; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/224; C10M; C10M133/00; C10M133/02; C10M133/16; C10M133/18; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06

Claims Analysis

Total Claims: 33
Claim 1
Independent Claim 61 words
A compound of the formula ##STR3## wherein R is a C 10 to C 30 hydrocarbyl group, R 1 is hydrogen or ##STR4## group, at least one of R 1 being the latter group in which R 3 is hydrogen or a C 1 to C 4 hydrocarbyl group and R 2 is a C 2 to C 4 hydrocarbylene group.
Claim 2
Dependent Claim 61 words
A compound of the formula ##STR3## wherein R is a C 10 to C 30 hydrocarbyl group, R 1 is hydrogen or ##STR4## group, at least one of R 1 being the latter group in which R 3 is hydrogen or a C 1 to C 4 hydrocarbyl group and R 2 is a C 2 to C 4 hydrocarbylene group.
Claim 3
Dependent Claim 21 words
The compound of claim 1 wherein R is selected from the group consisting of alkyl, alkenyl, aryl, alkaryl, aralkyl and cycloalkyl.
Claim 4
Dependent Claim 15 words
The compound of claim 2 wherein the aryl portion has 6 to 14 carbon atoms.
Claim 5
Dependent Claim 17 words
The compound of claim 2 wherein R is selected from the group consisting of alkyl and alkenyl.
Claim 6
Dependent Claim 27 words
The compound of claim 4 wherein R is selected from the group consisting of oleyl, soya, coco, tallow, decyl, dodecyl, tetradecyl, octadecyl, eicosyl, triacontyl and mixtures thereof.
Claim 7
Dependent Claim 12 words
The compound of claim 1 wherein R 2 is an alkylene group.
Claim 8
Dependent Claim 22 words
The compound of claim 6 wherein the alkylene group is selected from the group consisting of ethylene, propylene, butylene and mixtures thereof.
Claim 9
Dependent Claim 12 words
The compound of claim 1 wherein R 3 is an alkyl group.
Claim 10
Dependent Claim 21 words
The compound of claim 8 wherein the alkyl group is selected from the group consisting of methyl, ethyl, propyl and butyl.
Claim 11
Dependent Claim 10 words
The compound of claim 1 wherein R 3 is hydrogen.
Claim 12
Dependent Claim 9 words
The compound of claim 1 having the formula ##STR5##
Claim 13
Dependent Claim 9 words
The compound of claim 1 having the formula ##STR6##
Claim 14
Dependent Claim 76 words
A lubricant composition comprising a major proportion of a lubricant and an antifriction amount of a compound having the formula ##STR7## wherein R is a C 10 to C 30 hydrocarbyl group, R 1 is hydrogen or ##STR8## group, at least one of R 1 being the latter group in which R 3 is hydrogen or a C 1 to C 4 hydrocarbyl group and R 2 is a C 2 to C 4 hydrocarbylene group.
Claim 15
Dependent Claim 76 words
A lubricant composition comprising a major proportion of a lubricant and an antifriction amount of a compound having the formula ##STR7## wherein R is a C 10 to C 30 hydrocarbyl group, R 1 is hydrogen or ##STR8## group, at least one of R 1 being the latter group in which R 3 is hydrogen or a C 1 to C 4 hydrocarbyl group and R 2 is a C 2 to C 4 hydrocarbylene group.
Claim 16
Dependent Claim 21 words
The composition of claim 13 wherein R is selected from the group consisting of alkyl, alkenyl, aryl, alkaryl, aralkyl and cycloalkyl.
Claim 17
Dependent Claim 15 words
The composition of claim 14 wherein the aryl portion has 6 to 14 carbon atoms.
Claim 18
Dependent Claim 17 words
The composition of claim 14 wherein R is selected from the group consisting of alkyl and alkenyl.
Claim 19
Dependent Claim 27 words
The composition of claim 16 wherein R is selected from the group consisting of oleyl, soya, coco, tallow, decyl, dodecyl, tetradecyl, octadecyl, eicosyl, triacontyl and mixtures thereof.
Claim 20
Dependent Claim 12 words
The composition of claim 13 wherein R 2 is an alkylene group.
Claim 21
Dependent Claim 22 words
The composition of claim 18 wherein the alkylene group is selected from the group consisting of ethylene, propylene, butylene and mixtures thereof.
Claim 22
Dependent Claim 12 words
The composition of claim 13 wherein R 3 is an alkyl group.
Claim 23
Dependent Claim 17 words
The composition of claim 20 wherein the alkyl group is a methyl, ethyl, propyl or butyl group.
Claim 24
Dependent Claim 10 words
The composition of claim 13 wherein R 3 is hydrogen.
Claim 25
Dependent Claim 12 words
The composition of claim 13 wherein the compound has the formula ##STR9##
Claim 26
Dependent Claim 12 words
The composition of claim 13 wherein the compound has the formula ##STR10##
Claim 27
Dependent Claim 45 words
The composition of claim 13 wherein the lubricant is selected from the group consisting of (1) a mineral lubricating oil, (2) a synthetic oil or mixture of synthetic oils, (3) a mixture of (1) and (2) and (4) a grease of (1), (2) or (3).
Claim 28
Dependent Claim 12 words
The composition of claim 25 wherein the lubricant is a mineral oil.
Claim 29
Dependent Claim 12 words
The composition of claim 25 wherein the lubricant is a synthetic oil.
Claim 30
Dependent Claim 15 words
The composition of claim 25 wherein the lubricant is a grease from (2) or (3).
Claim 31
Dependent Claim 15 words
The composition of claim 13 additionally containing a phenate, sulfonate, succinimide or metal dialkyl phosphorodithioate.
Claim 32
Dependent Claim 30 words
The composition of claim 29 wherein the additional agent is zinc dialkyl phosphorodithioate wherein the alkyl group is selected from the group consisting of propyl, butyl, pentyl, hexyl and octyl.
Claim 33
Dependent Claim 97 words
A method for decreasing fuel consumption in an internal combustion engine which comprises lubricating said engine with a lubricant composition comprising a major proportion of a lubricant and a fuel reducing amount of a compound of claim 1 having the formula ##STR11## wherein R is a C 10 to C 30 hydrocarbyl group, R 1 is hydrogen or ##STR12## group, at least one of R 1 being the latter group in which R 3 is hydrogen or a C 1 to C 4 hydrocarbyl group and R 2 is a C 2 to C 4 hydrocarbylene group.

References Cited (Backward Citations)

US3997469A Cited
US4249912A Cited
US4303535A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-11-04 1989-05-06 1989-11-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-11-04 1993-05-06 1993-11-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-11-04 1997-05-06 1997-11-05 $7700.00 Window Closed / Lapsed

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