US3844958A
Expired / Lapsed
US
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Hydrocarbyl amines for lubricating oil detergents
Assignee: Chevron USA Inc
•
Filing: 1967-06-21
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Granted: 1974-10-29
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Expires: 1987-06-21
Abstract
Abstract Hydrocarbon substituted amines and alkylene polyamines, substantially free of aromatic unsaturation, having molecular weights in the range of about 450 to 10,000 find use as detergents in lubricating oils.
Inventors
- 👤 R Anderson
- 👤 L Honnen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:17
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/234; C10L1/238; C10L1/2383; C10M; C10M133/00; C10M133/52; C10M133/54; C10M133/58; C10M2203/00; C10M2203/06; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2205/028; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/024; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/044; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2227/00; C10M2227/02; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/25; C10N2040/255; C10N2040/26; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
5 words
A COMPOSITION OF THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPOSITION OF THE FORMULA:
Claim 3
Dependent Claim
21 words
A composition according to claim 1, wherein A1 and Z1 are hydrogen or alkyl of from one to six carbon atoms.
Claim 4
Dependent Claim
20 words
A lubricating oil composition having in an amount sufficient to provide detergency and dispersancy, a composition according to claim 1.
Claim 5
Dependent Claim
18 words
A lubricating oil composition according to claim 3, having from 1 to 50 mM./kg. of a zinc phosphorodithioate.
Claim 6
Dependent Claim
26 words
A composition accoding to claim 1 wherein R is a branched chain aliphatic hydrocarbon radical derived from polymerizing olefins of from three to six carbon atoms.
Claim 7
Dependent Claim
10 words
A composition according to claim 1 wherein R is polyisobutylene.
Claim 8
Dependent Claim
12 words
A composition according to claim 1 wherein R is polypropylene or polyisobutylene.
Claim 9
Dependent Claim
5 words
A compound of the formula
Claim 10
Dependent Claim
5 words
A compound of the formula
Claim 11
Dependent Claim
5 words
A compound of the formula
Claim 12
Dependent Claim
5 words
A compound of the formula
Claim 13
Dependent Claim
5 words
A compound of the formula
Claim 14
Dependent Claim
5 words
A compound of the formula
Claim 15
Dependent Claim
21 words
A lubricant composition comprising a major amount of a lubricating oil and a minor amount of a compound of the formula
Claim 16
Dependent Claim
21 words
A lubricant composition comprising a major amount of a lubricating oil and a minor amount of a compound of the formula
Claim 17
Dependent Claim
21 words
A lubricant composition comprising a major amount of a lubricating oil and a minor amount of a compound of the formula
Claim 18
Dependent Claim
21 words
A lubricant composition comprising a major amount of a lubricating oil and a minor amount of a compound of the formula
Claim 19
Dependent Claim
21 words
A lubricant composition comprising a major amount of a lubricating oil and a minor amount of a compound of the formula
Claim 20
Dependent Claim
21 words
A lubricant composition comprising a major amount of a lubricating oil and a minor amount of a compound of the formula
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-28 | 1978-04-29 | 1978-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-28 | 1982-04-29 | 1982-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-28 | 1986-04-29 | 1986-10-29 | $7700.00 | Window Closed / Lapsed |