US3755173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkenyl halolactone esters and acids and lubricants containing them
Assignee: Chevron USA Inc
•
Filing: 1971-08-05
•
Granted: 1973-08-28
•
Expires: 1991-08-05
Abstract
Abstract Alkenyl halolactone esters of monools and polyols are described. These materials are useful as lubricating oil detergency and/or dispersancy additives.
Inventors
- 👤 B Kennedy
- 👤 W Lowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:14
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/26; C07D307/30; C07D307/32; C07D307/33; C10; C10M; C10M129/00; C10M129/86; C10M129/95; C10M131/00; C10M131/08; C10M131/12; C10M2203/00; C10M2203/06; C10M2203/10; C10M2203/102; C10M2205/00; C10M2205/02; C10M2207/00; C10M2207/04; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/103; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2219/00; C10M2219/04; C10M2219/046; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2223/047; C10M2227/00; C10M2227/02; C10N; C10N2010/00; C10N2010/04; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
20 words
A lubricating composition according to claim 1 containing from 0.01 to 20 percent by weight of said lubricating oil additive.
Claim 2
Dependent Claim
20 words
A lubricating composition according to claim 1 containing from 1 to 10 percent by weight of said lubricating oil additive.
Claim 3
Dependent Claim
27 words
A lubricating composition according to claim 1 wherein said lubricating oil additive consists essentially of the reaction product of said polyol and said alkenyl halolactone alkyl ester.
Claim 4
Dependent Claim
26 words
A lubricating composition according to claim 4 wherein said polyol contains at least 3 hydroxyl groups, and is composed solely of carbon, hydrogen and oxygen atoms.
Claim 5
Dependent Claim
12 words
A lubricating composition according to claim 5 wherein said polyol is pentaerythritol.
Claim 6
Dependent Claim
20 words
A lubricating composition according to claim 4 wherein said alkenyl group has a molecular weight in the range from 700-1,400.
Claim 7
Dependent Claim
12 words
A lubricating composition according to claim 4 wherein said halogen is chlorine.
Claim 8
Dependent Claim
15 words
A lubricating composition according to claim 4 wherein said C1-C3 alkanol is ethanol or methanol.
Claim 9
Dependent Claim
13 words
A lubricating composition according to claim 9 wherein said C1-C3 alkanol is methanol.
Claim 10
Dependent Claim
26 words
A lubricating composition according to claim 1 wherein said lubricating oil additive consists essentially of the reaction product of said polyol and said alkenyl halolactone acid.
Claim 11
Dependent Claim
26 words
A lubricating composition according to claim 11 wherein said polyol contains at least 3 hydroxyl groups, and is composed solely of carbon, hydrogen, and oxygen atoms.
Claim 12
Dependent Claim
12 words
A lubricating composition according to claim 12 wherein said polyol is pentaerytheitol.
Claim 13
Dependent Claim
22 words
A lubricating composition according to claim 11 wherein said alkenyl group has a molecular weight in the range of from 700-1, 400.
Claim 14
Dependent Claim
12 words
A lubricating composition according to claim 11 wherein said halogen is chlorine.
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) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |