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US4164473A
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Organo molybdenum friction reducing antiwear additives
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1978-07-28
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Granted: 1979-08-14
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Expires: 1998-07-28
Abstract
Abstract Hydrocarbon-soluble organo molybdenum complexes obtained as the reaction product of a hydrocarbyl substituted hydroxy alkylated amine e.g. N,N',N'-tris(2-hydroxy ethyl)-n-tallow-1,3-diaminopropane, with about one molar equivalent of a molybdenum compound, e.g. ammonium molybdate, are useful hydrocarbon additives particularly in combination with an oil-soluble sulfur donor, e.g. a metal dialkyl dithiophosphate to provide an additive combination for lubricating oils since the lubricating compositions comprising these co-additives exhibit improved anti-friction and anti-wear properties.
Inventors
- 👤 Keith Coupland
- 👤 Clinton R. Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:49
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/18; C07; C07F; C07F11/00; C07F11/005; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/06; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/027; C10M2207/028; C10M2207/10; C10M2207/14; C10M2207/144; C10M2207/146; C10M2207/16; C10M2207/26; C10M2207/262; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/086; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/023; C10M2217/024; C10M2217/028; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2221/00; C10M2221/04; C10M2221/043; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2010/00; C10N2010/04; C10N2010/12
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
31 words
An organo molybdenum complex represented by the formula ##STR8## wherein R is a substantially hydrocarbyl group containing from 1 to 50 carbon atoms and X is selected from sulfur or oxygen.
Claim 2
Dependent Claim
31 words
An organo molybdenum complex represented by the formula ##STR8## wherein R is a substantially hydrocarbyl group containing from 1 to 50 carbon atoms and X is selected from sulfur or oxygen.
Claim 3
Dependent Claim
26 words
An organo molybdenum complex according to claim 1 wherein R is an alkyl group containing from about 12 to 28 carbon atoms and X is oxygen.
Claim 4
Dependent Claim
43 words
A hydrocarbon-soluble organo molybdenum complex obtained as the reaction product of a hydrocarbyl substituted hydroxy alkylated amine with about one molar equivalent of a molybdenum source of the class consisting of molybdic trioxide, ammonium thiomolybdate, ammonium bismolybdate, molybdenum halides, and ammonium heptamolybdate tetrahydrate.
Claim 5
Dependent Claim
43 words
A hydrocarbon-soluble organo molybdenum complex obtained as the reaction product of a hydrocarbyl substituted hydroxy alkylated amine with about one molar equivalent of a molybdenum source of the class consisting of molybdic trioxide, ammonium thiomolybdate, ammonium bismolybdate, molybdenum halides, and ammonium heptamolybdate tetrahydrate.
Claim 6
Dependent Claim
20 words
A complex according to claim 3 wherein said amine is N,N',N'-tris(2-hydroxy ethyl)-n-tallow-1,3-diaminopropane and said molybdenum compound is ammonium heptamolybdate tetrahydrate.
Claim 7
Dependent Claim
97 words
A hydrocarbon composition comprising a major portion of a hydrocarbon and at least a friction reducing amount of the combination of: (a) an organo molybdenum complex represented by the formula ##STR9## wherein R is a substantially hydrocarbyl group containing from 1 to 50 carbon atoms and X is selected from sulfur or oxygen; and (b) an oil-soluble active sulfur donor, said combination providing from about 0.005 to 0.2 weight percent molybdenum and said sulfur donor being present in at least 0.25 weight percent, all of said weight percent being based on the total weight of said composition.
Claim 8
Dependent Claim
97 words
A hydrocarbon composition comprising a major portion of a hydrocarbon and at least a friction reducing amount of the combination of: (a) an organo molybdenum complex represented by the formula ##STR9## wherein R is a substantially hydrocarbyl group containing from 1 to 50 carbon atoms and X is selected from sulfur or oxygen; and (b) an oil-soluble active sulfur donor, said combination providing from about 0.005 to 0.2 weight percent molybdenum and said sulfur donor being present in at least 0.25 weight percent, all of said weight percent being based on the total weight of said composition.
Claim 9
Dependent Claim
66 words
A hydrocarbon composition according to claim 5 wherein said hydrocarbon is mineral oil, said organo complex is an oil-soluble reaction product of a hydrocarbyl substituted hydroxy alkylated amine with about one molar equivalent of a molybdenum source of the class consisting of molybdic trioxide, ammonium thiomolybdate, ammonium bismolybdate, molybdenum halides, and ammonium heptamolybdate tetrahydrate, and said sulfur donor is an oil-soluble dihydrocarbyl ester of dithiophosphoric acid.
Claim 10
Dependent Claim
71 words
A hydrocarbon composition according to claim 6 wherein said mineral oil has a viscosity as measured by ASTM D-445 of from about 2 to 40 centistokes at 99° C., said amine is N,N',N'-tris(2-hydroxy ethyl)-n-tallow-1,3-diaminopropane, and said molybdenum compound is ammonium heptamolybdate tetrahydrate, and said active sulfur donor is zinc dihydrocarbyl dithiophosphate present in an amount of from 0.2 to 2 parts by weight per part by weight of said molybdenum complex.
Claim 11
Dependent Claim
91 words
A concentrate consisting essentially of from 5 to 80 weight percent of the combination of a hydrocarbon soluble organo molybdenum complex obtained as the reaction product of a hydrocarbyl substituted hydroxy alkylated amine with about one molar equivalent of a molybdenum source of the class consisting of molybdic trioxide, ammonium thiomolybdate, ammonium bismolybdate, molybdenum halides, and ammonium heptamolybdate tetrahydrate and from about 0.1 to 10 parts by weight of active sulfur donor per part by weight of said complex and 20 to 95 weight percent of a solvent for said combination.
Claim 12
Dependent Claim
91 words
A concentrate consisting essentially of from 5 to 80 weight percent of the combination of a hydrocarbon soluble organo molybdenum complex obtained as the reaction product of a hydrocarbyl substituted hydroxy alkylated amine with about one molar equivalent of a molybdenum source of the class consisting of molybdic trioxide, ammonium thiomolybdate, ammonium bismolybdate, molybdenum halides, and ammonium heptamolybdate tetrahydrate and from about 0.1 to 10 parts by weight of active sulfur donor per part by weight of said complex and 20 to 95 weight percent of a solvent for said combination.
Claim 13
Dependent Claim
46 words
A gasoline having improved antiwear properties containing from 10 to 1,000 parts per million of an organo molybdenum complex represented by the formula ##STR10## wherein R is a substantially hydrocarbyl group containing from 1 to 50 carbon atoms and X is selected from sulfur or oxygen.
Claim 14
Dependent Claim
46 words
A gasoline having improved antiwear properties containing from 10 to 1,000 parts per million of an organo molybdenum complex represented by the formula ##STR10## wherein R is a substantially hydrocarbyl group containing from 1 to 50 carbon atoms and X is selected from sulfur or oxygen.
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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) | 1982-08-13 | 1983-02-12 | 1983-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-08-13 | 1987-02-12 | 1987-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-08-13 | 1991-02-12 | 1991-08-14 | $7700.00 | Window Closed / Lapsed |