Patent US4186102A successfully refreshed from Google Patents.
US4186102A
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Lubricating oil composition
Assignee: Ethyl Corp
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Filing: 1978-07-10
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Granted: 1980-01-29
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Expires: 1998-07-10
Abstract
Abstract The reaction product of (a) high molecular weight hydrocarbon-substituted phenols, (b) aldehydes, (c) ammonia or amines having a reactive hydrogen atom, and (d) alkylene oxides are effective dispersants for lubricating oil and impart detergent properties to liquid hydrocarbon fuels such as gasoline.
Inventors
- 👤 Robert E. Malec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:32
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/16; C09; C09K; C09K23/00; C09K23/42; C09K23/46; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/221; C10M1/00; C10M1/08; C10M2203/00; C10M2203/06; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/028; C10M2205/04; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/027; C10M2207/28; C10M2207/282; C10M2207/30; C10M2207/302; C10M2207/304; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/11; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/062; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/042; C10M2217/043; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2010/00; C10N2010/04; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
108 words
A lubricating oil composition comprising a major amount of lubricating oil and a dispersant amount of a composition made by the process comprising reacting (a) one mole part of an aliphatic hydrocarbon-substituted phenol wherein said aliphatic hydrocarbon substituent has an average molecular weight of from about 650 to 5000, (b) from about 1 to 10 mole parts of a C 1-4 aldehyde, (c) from about 0.1 to 10 mole parts of an amine containing at least one HN< group capable of entering into a Mannich condensation reaction and (d) from about 0.1 to 50 mole parts of an alkylene oxide containing from 2 to about 6 carbon atoms.
Claim 2
Dependent Claim
108 words
A lubricating oil composition comprising a major amount of lubricating oil and a dispersant amount of a composition made by the process comprising reacting (a) one mole part of an aliphatic hydrocarbon-substituted phenol wherein said aliphatic hydrocarbon substituent has an average molecular weight of from about 650 to 5000, (b) from about 1 to 10 mole parts of a C 1-4 aldehyde, (c) from about 0.1 to 10 mole parts of an amine containing at least one HN< group capable of entering into a Mannich condensation reaction and (d) from about 0.1 to 50 mole parts of an alkylene oxide containing from 2 to about 6 carbon atoms.
Claim 3
Dependent Claim
18 words
A composition of claim 1 wherein said aliphatic hydrocarbon substituent is a polymer of a C 2-4 olefin.
Claim 4
Dependent Claim
10 words
A composition of claim 2 wherein said aldehyde is formaldehyde.
Claim 5
Dependent Claim
48 words
A composition of claim 3 wherein said nitrogen compound is an alkylene polyamine having the formula H 2 N--R 1 --NH) n H wherein n is an integer from 1 to about 6 and R 1 is a divalent hydrocarbon group containing 2 to about 4 carbon atoms.
Claim 6
Dependent Claim
16 words
A composition of claim 4 wherein said alkylene polyamine has an average composition corresponding to tetraethylenepentamine.
Claim 7
Dependent Claim
19 words
A composition of claim 5 wherein said hydrocarbon substituent is selected from the group consisting of polybutene and polypropylene.
Claim 8
Dependent Claim
21 words
A composition of claim 6 wherein said alkylene oxide is selected from the group consisting of ethylene oxide and propylene oxide.
Claim 9
Dependent Claim
48 words
A composition of claim 3 wherein said nitrogen compound is an N,N-dialkyl alkane diamine having the formula ##STR3## wherein R 2 is a divalent lower alkane group containing 2 to about 6 carbon atoms and R 3 and R 4 are independently selected from C 1-4 alkyl groups.
Claim 10
Dependent Claim
11 words
A composition of claim 8 wherein said nitrogen compound is N,N-dimethyl-1,3-propanediamine.
Claim 11
Dependent Claim
19 words
A composition of claim 9 wherein said hydrocarbon substituent is selected from the group consisting of polybutene and polypropylene.
Claim 12
Dependent Claim
21 words
A composition of claim 10 wherein said alkylene oxide is selected from the group consisting of ethylene oxide and propylene oxide.
Claim 13
Dependent Claim
12 words
A composition of claim 4 wherein said alkylene polyamine is diethylene triamine.
Claim 14
Dependent Claim
12 words
A composition of claim 12 wherein said alkylene oxide is ethylene oxide.
Claim 15
Dependent Claim
13 words
A composition of claim 13 wherein said hydrocarbon substituent is a polybutene substituent.
Claim 16
Dependent Claim
13 words
A composition of claim 13 wherein said hydrocarbon substituent is a polypropylene substituent.
Claim 17
Dependent Claim
21 words
A composition of claim 1 wherein said amine is selected from the group consisting of alkylene polyamines and N,N-dialkyl alkane diamines.
Claim 18
Dependent Claim
33 words
A composition of claim 1 wherein said hydrocarbon-substituted phenol, aldehyde and amine are reacted in any sequence or all at once and then the resultant reaction product is reacted with said alkylene oxide.
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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) | 1983-01-28 | 1983-07-30 | 1984-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-01-28 | 1987-07-30 | 1988-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-01-28 | 1991-07-30 | 1992-01-29 | $7700.00 | Window Closed / Lapsed |