US3714042A
Expired / Lapsed
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Treated overbased complexes
Assignee: Lubrizol Corp
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Filing: 1970-02-04
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Granted: 1973-01-30
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Expires: 1990-02-04
Abstract
Abstract Treat overbased complexes with high molecular weight aliphatic carboxylic acids, anhydrides, esters, amides, imides, or salts. The treated overbased complexes may be used as additives in lubricating oils, gasolines, and other organic materials.
Inventors
- 👤 P Greenough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:01
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/20; C08; C08F; C08F8/00; C08F8/44; C10M159/24; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/06; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/141; C10M2207/142; C10M2207/22; C10M2207/24; C10M2207/28; C10M2207/282; C10M2207/287; C10M2207/288; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/106; C10M2209/11; C10M2209/112; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2211/08; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/086; C10M2215/10; C10M2215/102; C10M2215/12; C10M2215/14; C10M2215/16; C10M2215/20; C10M2215/202; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/28; C10M2215/30; C10M2217/00; C10M2217/04; C10M2217/042; C10M2217/043; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/06; C10M2219/062; C10M2219/064; C10M2219/066; C10M2219/068; C10M2219/08; C10M2219/082; C10M2219/083; C10M2219/084; C10M2219/085; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/045; C10M2223/06; C10M2223/061; C10M2223/065; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/043; C10M2229/044; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/02; C10N2040/04; C10N2040/046; C10N2040/06; C10N2040/20; C10N2040/22; C10N2040/25; C10N2040/255; C10N2040/26
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
76 words
A composition pRepared by a process comprising mixing (A) a basic metal complex selected from the class consisting of sulfonate, sulfonate-carboxylate and carboxylate complexes with up to an amount equivalent to the total basicity thereof of (B) a high molecular weight aliphatic carboxylic acid or anhydride wherein there are at least about 25 aliphatic carbon atoms per carboxy group in (B) at a temperature of from about 25*C to the decomposition temperature of the process mass.
Claim 2
Dependent Claim
76 words
A composition pRepared by a process comprising mixing (A) a basic metal complex selected from the class consisting of sulfonate, sulfonate-carboxylate and carboxylate complexes with up to an amount equivalent to the total basicity thereof of (B) a high molecular weight aliphatic carboxylic acid or anhydride wherein there are at least about 25 aliphatic carbon atoms per carboxy group in (B) at a temperature of from about 25*C to the decomposition temperature of the process mass.
Claim 3
Dependent Claim
13 words
The composition of claim 1 wherein the metal is a Group II metal.
Claim 4
Dependent Claim
26 words
The composition of claim 2 wherein the basic metal complex is derived from an alkylated aryl sulfonic acid having at least about 15 aliphatic carbon atoms.
Claim 5
Dependent Claim
54 words
The composition of claim 3 wherein the carboxylic acid or anhydride of (B) is a polybutene substituted succinic acid or anhydride wherein the polybutene substituent has an average of at least about 50 carbon atoms and the amount thereof is from about 0.1 to about 10 percent by weight of the complex of (A).
Claim 6
Dependent Claim
47 words
The composition of claim 4 wherein the carboxylic acid or anhydride is a polyisobutenyl having a molecular weight from about 700 to about 5,000, succinic acid or anhydride and the amount thereof is from about 3 to about 5 percent by weight of the complex of (A).
Claim 7
Dependent Claim
19 words
The composition of claim 5 wherein the complex of (A) has a base number of at least about 70.
Claim 8
Dependent Claim
16 words
The composition of claim 6 wherein the complex of (A) is a basic calcium sulfonate complex.
Claim 9
Dependent Claim
62 words
The composition of claim 7 wherein the basic calcium sulfonate complex is a mixture of (a) a carbonated, basic calcium alkylated benzene sulfonate having a base number of about 400 and (b) a carbonated, basic calcium alkylated benzene sulfonate having a base number of about 80 in which the weight ratio of (a) to (b) is from about 10:1 to about 1:1.
Claim 10
Dependent Claim
38 words
The composition of claim 6 wherein the complex of (A) is a carbonated, basic magnesium sulfonate-carboxylate complex having a base number of from about 300 to about 500 and the temperature is from about 50*C to about 150*C.
Claim 11
Dependent Claim
150 words
A composition prepared by a process comprising mixing (A) a basic metal complex selected from the class consisting of sulfonate, sulfonate-carboxylate and carboxylate complexes with (B) at least one member of the group consisting of substantially saturated hydrocarbon-substituted carboxylic acids, having at least about 25 aliphatic carbon atoms in the hydrocarbon substituent per carboxy group and the anhydrides, esters, ammonium salts, amine salts, amides, and imides thereof at a temperature of from about 50*C to the decomposition temperature of the process mass, wherein the amount of the carboxylic acid or anhydride used is an amount equivalent to up to 40 percent of the basicity of the complex of (A), and the amount of the ester, ammonium salt, amine salt, amide, and imide derivative of the carboxylic acid used is an amount equivalent to at least 1 but no more than 25 percent of the basicity of the complex of (A).
Claim 12
Dependent Claim
150 words
A composition prepared by a process comprising mixing (A) a basic metal complex selected from the class consisting of sulfonate, sulfonate-carboxylate and carboxylate complexes with (B) at least one member of the group consisting of substantially saturated hydrocarbon-substituted carboxylic acids, having at least about 25 aliphatic carbon atoms in the hydrocarbon substituent per carboxy group and the anhydrides, esters, ammonium salts, amine salts, amides, and imides thereof at a temperature of from about 50*C to the decomposition temperature of the process mass, wherein the amount of the carboxylic acid or anhydride used is an amount equivalent to up to 40 percent of the basicity of the complex of (A), and the amount of the ester, ammonium salt, amine salt, amide, and imide derivative of the carboxylic acid used is an amount equivalent to at least 1 but no more than 25 percent of the basicity of the complex of (A).
Claim 13
Dependent Claim
73 words
A process comprising the mixing of (A) a basic metal complex selected from the class consisting of sulfonate, sulfonate-carboxylate and carboxylate complexes with up to an amount equivalent to the basicity thereof of (B) a high molecular weight aliphatic carboxylic acid or anhydride wherein there are at least about 25 aliphatic carbon atoms per carboxy group in (B) at a temperature of from about 25*C to the decomposition temperature of the process mass.
Claim 14
Dependent Claim
73 words
A process comprising the mixing of (A) a basic metal complex selected from the class consisting of sulfonate, sulfonate-carboxylate and carboxylate complexes with up to an amount equivalent to the basicity thereof of (B) a high molecular weight aliphatic carboxylic acid or anhydride wherein there are at least about 25 aliphatic carbon atoms per carboxy group in (B) at a temperature of from about 25*C to the decomposition temperature of the process mass.
Claim 15
Dependent Claim
23 words
A lubricating composition comprising a major proportion of a lubricating oil and a minor foam reducing proportion of the composition of claim 1.
Claim 16
Dependent Claim
23 words
A lubricating composition comprising a major proportion of a lubricating oil and a minor foam reducing proportion of the composition of claim 7.
Claim 17
Dependent Claim
23 words
A lubricating composition comprising a major proportion of a lubricatiNg oil and a minor foam reducing proportion of the composition of claim 8.
Claim 18
Dependent Claim
23 words
A lubricating composition comprising a major proportion of a lubricating oil and a minor foam reducing proportion of the composition of claim 9.
Claim 19
Dependent Claim
18 words
The composition of claim 1 further characterized in that the temperature ranges from about 50*C. and below 250*C.
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) | 1976-01-30 | 1976-07-31 | 1977-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-30 | 1980-07-31 | 1981-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-30 | 1984-07-31 | 1985-01-30 | $7700.00 | Window Closed / Lapsed |