Patent US4455243A successfully refreshed from Google Patents.
US4455243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Succinimide complexes of borated fatty acid esters of glycerol and lubricating oil compositions containing same
Assignee: Chevron USA Inc
•
Filing: 1983-02-24
•
Granted: 1984-06-19
•
Expires: 2003-02-24
Abstract
Abstract Lubricating oils containing borated fatty acid esters of glycerol-succinimide complex have been found to reduce fuel consumption in an internal combustion engine.
Inventors
- 👤 Thomas V. Liston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:33
CPC Classifications
C; C10; C10M; C10M163/00; C07; C07F; C07F5/00; C07F5/02; C07F5/04; C10M129/00; C10M129/02; C10M129/04; C10M129/10; C10M133/00; C10M133/52; C10M133/56; C10M135/00; C10M135/08; C10M135/10; C10M135/20; C10M135/28; C10M135/30; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M139/00; C10M141/00; C10M141/12; C10M159/00; C10M159/12; C10M159/20; C10M159/22; C10M159/24; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/028; C10M2215/00; C10M2215/24; C10M2215/28; C10M2217/00; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/04; C10M2219/046; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2227/00; C10M2227/06; C10M2227/061; C10M2227/062; C10N; C10N2030/00; C10N2030/54; C10N2030/66; C10N2040/00; C10N2040/25; C10N2040/255
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
57 words
A composition comprising a complex prepared by reacting a borated fatty acid ester of glycerol or mixtures thereof and an oil soluble alkyl or alkenyl succinimide at 25° C. to 200° C. wherein the wt% ratio of succinimide to borated fatty acid ester of glycerol to form the complex is in the range of 0.5:1 to 3:1.
Claim 2
Dependent Claim
57 words
A composition comprising a complex prepared by reacting a borated fatty acid ester of glycerol or mixtures thereof and an oil soluble alkyl or alkenyl succinimide at 25° C. to 200° C. wherein the wt% ratio of succinimide to borated fatty acid ester of glycerol to form the complex is in the range of 0.5:1 to 3:1.
Claim 3
Dependent Claim
33 words
The composition according to claim 1 wherein said borated fatty acid ester of glycerol is a borated glycerol oleate or mixtures thereof and said succinimide is a polyisobutenyl succinimide of a polyalkylene polyamine.
Claim 4
Dependent Claim
20 words
The composition according to claim 2 wherein said succinimide is a polyisobutenyl succinimide of triethylenetetramine or polyisobutenyl succinimide of tetraethylenepentamine.
Claim 5
Dependent Claim
38 words
The composition according to claim 2 wherein said borated fatty acid ester of glycerol is a mixture containing from 45% to 55% by weight of borated glycerol monooleate and 55% to 45% by weight of borated glycerol dioleate.
Claim 6
Dependent Claim
18 words
The composition according to claim 2 wherein the borated fatty acid ester of glycerol is borated glycerol monooleate.
Claim 7
Dependent Claim
77 words
A lubricating oil composition comprising a major amount of an oil of lubricating viscosity and an effective amount to reduce friction of a complex prepared by reacting: (a) a borated fatty acid ester of glycerol or mixtures thereof; and an oil soluble alkyl or alkenyl succinimide at 25° C. to 200° C. wherein the wt% ratio of succinimide to borated fatty acid ester of glycerol to form the complex is in the range of 0.5:1 to 3:1.
Claim 8
Dependent Claim
77 words
A lubricating oil composition comprising a major amount of an oil of lubricating viscosity and an effective amount to reduce friction of a complex prepared by reacting: (a) a borated fatty acid ester of glycerol or mixtures thereof; and an oil soluble alkyl or alkenyl succinimide at 25° C. to 200° C. wherein the wt% ratio of succinimide to borated fatty acid ester of glycerol to form the complex is in the range of 0.5:1 to 3:1.
Claim 9
Dependent Claim
35 words
The lubricating oil composition according to claim 6 wherein said borated fatty acid ester of glycerol is a borated glycerol oleate or mixtures thereof and said succinimide is a polyisobutenyl succinimide of a polyalkylene polyamine.
Claim 10
Dependent Claim
22 words
The lubricating oil composition according to claim 7 wherein said succinimide is a polyisobutenyl succinimide of triethylenetetramine or polyisobutenyl succinimide of tetraethylenepentamine.
Claim 11
Dependent Claim
40 words
The lubricating oil composition according to claim 7 wherein said borated fatty acid ester of glycerol is a mixture containing from 45% to 55% by weight of borated glycerol monooleate and 55% to 45% by weight of borated glycerol dioleate.
Claim 12
Dependent Claim
20 words
The lubricating oil composition according to claim 7 wherein the borated fatty acid ester of glycerol is borated glycerol monooleate.
Claim 13
Dependent Claim
25 words
A method for reducing the fuel consumption of an internal combustion engine comprising treating the moving surfaces thereof with a composition according to claim 6.
Claim 14
Dependent Claim
74 words
A lubricating oil composition according to claim 6 which additionally contains an amount of each of the following: (1) from 0.1% to 4% of a Group II metal salt of a dihydrocarbyl dithiophosphoric acid, (2) from 0.3% to 10% of a neutral or overbased alkali or alkaline earth metal hydrocarbyl sulfonate or mixtures thereof, (3) from 0.2% to 27% of a neutral or overbased alkali or alkaline earth metal, alkylated phenate, or mixtures thereof.
Claim 15
Dependent Claim
74 words
The lubricating oil composition according to claim 12 wherein (1) said metal salt of the dihydrocarbyl dithiophosphoric acid is zinc dialkyl dithiophosphate wherein the alkyl group contains from 4 to 12 carbon atoms; (2) said metal of the neutral or overbased alkali or alkaline earth metal sulfonate is calcium, magnesium or barium or mixtures thereof; (3) said metal of the neutral or overbased alkali or alkaline earth metal phenate is calcium, magnesium or barium.
Claim 16
Dependent Claim
61 words
The lubricating oil formulation according to claim 12 wherein (1) said metal salt of the dihydrocarbyl dithiophosphoric acid is zinc O,O-di(2-ethylhexyl)dithiophosphate, zinc O,O-di(isobutyl/mixed primary hexyl)dithiophosphate, or zinc O,O-di(sec-butyl/mixed secondary hexyl)dithiophosphate; (2) said metal salt of the sulfonate is an overbased magnesium or calcium hydrocarbyl sulfonate; (3) said metal salt of the phenate is an overbased sulfurized calcium or magnesium monoalkylated phenate.
Claim 17
Dependent Claim
25 words
A method for reducing the fuel consumption of an internal combustion engine comprising treating the moving surfaces thereof with a composition according to claim 12.
Claim 18
Dependent Claim
80 words
A lubricating oil concentrate comprising 10% to 90% by weight of a lubricating oil and from about 90% to about 10% by weight of a complex prepared by reacting: (a) a borated fatty acid ester of glycerol or mixture thereof; and (b) an oil soluble alkyl or alkenyl succinimide at 25° C. to 200° C. wherein the wt% ratio of succinimide to borated fatty acid ester of glycerol to form the complex is in the range of 0.5:1 to 3:1.
Claim 19
Dependent Claim
80 words
A lubricating oil concentrate comprising 10% to 90% by weight of a lubricating oil and from about 90% to about 10% by weight of a complex prepared by reacting: (a) a borated fatty acid ester of glycerol or mixture thereof; and (b) an oil soluble alkyl or alkenyl succinimide at 25° C. to 200° C. wherein the wt% ratio of succinimide to borated fatty acid ester of glycerol to form the complex is in the range of 0.5:1 to 3:1.
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) | 1987-06-19 | 1987-12-19 | 1988-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-19 | 1991-12-19 | 1992-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-19 | 1995-12-19 | 1996-06-19 | $7700.00 | Window Closed / Lapsed |