US3910845A
Expired / Lapsed
US
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Reaction products of formals, acetals and ketals with succinic acid or anhydride as lubricating oil and fuel additives
Assignee: Chevron USA Inc
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Filing: 1973-06-22
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Granted: 1975-10-07
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Expires: 1993-06-22
Abstract
Abstract The lubricating oil composition, the fuel composition and the fuel concentrate comprising the hydrocarbyl succinate of a formal, acetal or ketal derived from a polyol, wherein the hydrocarbyl substituent contains from 30 to about 300 carbon atoms.
Inventors
- 👤 Marvin D Coon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:15
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/192; C10L1/198; C10L1/1983; C10L1/1817; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/06; C10M2201/062; C10M2205/00; C10M2205/02; C10M2205/022; C10M2205/024; C10M2205/026; C10M2205/028; C10M2205/14; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/028; C10M2207/10; C10M2207/16; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/102; C10M2209/103; C10M2219/00; C10M2219/04; C10M2219/046; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2010/08
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
111 words
A FUEL COMPOSITION COMPRISING A MAJOR AMOUNT OF A NORMALLY LIQUID HYDROCARBON FUEL AND FROM 10 PPM TO 1, 500 PPM OF A REACTION PRODUCT OF (I) A HYDROCARBYL-SUBSTITUTED SUCCINIC ACID OR ANHYDRIDE, WHEREIN SAID HYDROCARBYL SUBSTITUENT CONTAINS FROM ABOUT 30 TO ABOUT 300 CARBON ATOMS, AND (II) A FORMAL, ACETAL, OR KETAL OF A POLYOL AND AN ACETALIZING AGENT SELECTED FROM THE GROUP CONSISTING OF C1-C12 ALKYL ALDEHYDES, C3-C24 ALKYL KETONE, AND MIXTURES THEREOF, WHEREIN THE RATIO OF SAID SUCCINIC ACID OR ANHYDRIDE TO SAID FORMAL, ACETAL OR KETAL IS FROM ABOUT 1:3 TO 3:1 AND WHEREIN THE REACTION TAKES PLACE AT A TEMPERATURE FROM ABOUT 60*C TO ABOUT 250*C.
Claim 2
Dependent Claim
111 words
A FUEL COMPOSITION COMPRISING A MAJOR AMOUNT OF A NORMALLY LIQUID HYDROCARBON FUEL AND FROM 10 PPM TO 1, 500 PPM OF A REACTION PRODUCT OF (I) A HYDROCARBYL-SUBSTITUTED SUCCINIC ACID OR ANHYDRIDE, WHEREIN SAID HYDROCARBYL SUBSTITUENT CONTAINS FROM ABOUT 30 TO ABOUT 300 CARBON ATOMS, AND (II) A FORMAL, ACETAL, OR KETAL OF A POLYOL AND AN ACETALIZING AGENT SELECTED FROM THE GROUP CONSISTING OF C1-C12 ALKYL ALDEHYDES, C3-C24 ALKYL KETONE, AND MIXTURES THEREOF, WHEREIN THE RATIO OF SAID SUCCINIC ACID OR ANHYDRIDE TO SAID FORMAL, ACETAL OR KETAL IS FROM ABOUT 1:3 TO 3:1 AND WHEREIN THE REACTION TAKES PLACE AT A TEMPERATURE FROM ABOUT 60*C TO ABOUT 250*C.
Claim 3
Dependent Claim
20 words
A fuel composition according to claim 1, wherein said formal, acetal, or ketal is derived from a C2 -C15 polyol.
Claim 4
Dependent Claim
30 words
A fuel composition according to claim 1, wherein said hydrocarbyl substituent is a polyolefin, itself derived from C2-C6 olefins, with the proviso that ethylene is copolymerized with a higher olefin.
Claim 5
Dependent Claim
14 words
A fuel composition according to claim 3, wherein said polyolefin is polybutene or polypropylene.
Claim 6
Dependent Claim
17 words
A fuel composition according to claim 1, wherein said formal, acetal, or ketal is derived from pentaerythritol.
Claim 7
Dependent Claim
15 words
A fuel composition according to claim 5, wherein said formal of pentaerythritol is the diformal.
Claim 8
Dependent Claim
110 words
A fuel concentrate composition having a suitable solvent for admixture with a normally liquid hydrocarbon fuel and from 10-70 weight percent of a reaction product of (i) a hydrocarbyl-substituted succinic acid or anhydride, wherein said hydrocarbyl substituent contains from about 30 to about 300 carbons and (ii) a formal, acetal, or ketal of a polyol and an acetalizing agent selected from the group consisting of C1-C12 alkyl alehyde, C3-C4 alkyl ketone, and mixtures thereof; wherein the ratio of said succinic acid or anhydride to said acetal, formal or ketal is from about 1:3 to 3:1 and wherein the reaction takes place at a temperature of about 60*C to about 250*C.
Claim 9
Dependent Claim
110 words
A fuel concentrate composition having a suitable solvent for admixture with a normally liquid hydrocarbon fuel and from 10-70 weight percent of a reaction product of (i) a hydrocarbyl-substituted succinic acid or anhydride, wherein said hydrocarbyl substituent contains from about 30 to about 300 carbons and (ii) a formal, acetal, or ketal of a polyol and an acetalizing agent selected from the group consisting of C1-C12 alkyl alehyde, C3-C4 alkyl ketone, and mixtures thereof; wherein the ratio of said succinic acid or anhydride to said acetal, formal or ketal is from about 1:3 to 3:1 and wherein the reaction takes place at a temperature of about 60*C to about 250*C.
Claim 10
Dependent Claim
39 words
A fuel concentrate composition having a suitable solvent for admixture with a hydrocarbon fuel and from 10-70 weight percent of a hydrocarbyl-substituted succinate according to claim 7, wherein said formal, acetal, or ketal is derived from a C2-C15 polyol.
Claim 11
Dependent Claim
37 words
A fuel concentrate composition having a suitable solvent for admixture with a hydrocarbon fuel and from 10-70 weight percent of a hydrocarbyl-substituted succinate according to claim 8, wherein said formal, acetal, or ketal is derived from pentaerythritol.
Claim 12
Dependent Claim
110 words
A lubricating oil composition comprising a major amount of an oil of lubricating viscosity and from 0.1-5 percent by weight of a reaction product of (1) a hydrocarbyl-substituted succinic acid or anhydride, wherein said hydrocarbyl substituent contains from about 30 to about 300 carbons, and (2) a formal, acetal or ketal of a polyol and an acetalizing agent selected from the group consisting of C1-C12 alkyl aldehyde, C3-C24 alkyl ketone, and mixtures thereof; wherein the ratio of said succinic acid or anhydride to said acetal, formal or ketal is from about 1:3 to 3: 1 and wherein the reaction takes place at a temperature of about 60*C to about 250*C.
Claim 13
Dependent Claim
110 words
A lubricating oil composition comprising a major amount of an oil of lubricating viscosity and from 0.1-5 percent by weight of a reaction product of (1) a hydrocarbyl-substituted succinic acid or anhydride, wherein said hydrocarbyl substituent contains from about 30 to about 300 carbons, and (2) a formal, acetal or ketal of a polyol and an acetalizing agent selected from the group consisting of C1-C12 alkyl aldehyde, C3-C24 alkyl ketone, and mixtures thereof; wherein the ratio of said succinic acid or anhydride to said acetal, formal or ketal is from about 1:3 to 3: 1 and wherein the reaction takes place at a temperature of about 60*C to about 250*C.
Claim 14
Dependent Claim
20 words
A lubricating oil composition according to claim 10, wherein said formal, acetal, or ketal is derived from a C2-C15 polyol.
Claim 15
Dependent Claim
31 words
A lubricating oil composItion according to claim 10, wherein said hydrocarbyl substituent is a polyolefin, itself derived from C2-C6 olefins, with the proviso that ethylene is copolymerized with a higher olefin.
Claim 16
Dependent Claim
15 words
A lubricating oil composition according to claim 12, wherein said polyolefin is polybutene or polypropylene.
Claim 17
Dependent Claim
18 words
A lubricating oil composition according to claim 10, wherein said formal, acetal, or ketal is derived from pentaerythritol.
Claim 18
Dependent Claim
16 words
A lubricating oil composition according to claim 14, wherein said formal of pentaerythritol is the diformal.
References Cited (Backward Citations)
US2978469A
Cited
US3632510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-06 | 1979-04-07 | 1979-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-06 | 1983-04-07 | 1983-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-06 | 1987-04-07 | 1987-10-07 | $7700.00 | Window Closed / Lapsed |