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US4162224A
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Solubilized borates of bis-oxazoline and lubricant compositions containing the same
Assignee: Mobil Oil AS
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Filing: 1977-01-28
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Granted: 1979-07-24
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Expires: 1997-01-28
Abstract
Abstract Novel oil-soluble compounds and lubricating compositions containing them are provided containing an antiwear or antioxidant improving amount of a solubilized borate of a bis-oxazoline resulting from reaction of an alkyloxazoline, boric acid and a substituted phenol.
Inventors
- 👤 Robert F. Bridger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:31
CPC Classifications
C; C10; C10M; C10M133/00; C10M133/52; C10M133/58; C07; C07D; C07D263/00; C07D263/02; C07D263/08; C07D263/10; C07D263/14; C07F; C07F5/00; C07F5/02; C07F5/022; C10M159/00; C10M159/12; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/028; C10M2207/00; C10M2207/04; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/10; C10M2215/102; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2227/00; C10M2227/02; C10M2227/04; C10M2227/06; C10M2227/061; C10M2227/062; C10M2227/08; C10M2227/081; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/08; C10N2040/12; C10N2040/13; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
153 words
A lubricant composition comprising a major proportion of a base oil of lubricating viscosity or greases thereof containing a minor amount, sufficient to improve the antioxidant or antiwear properties thereof, of the product obtained by reaction at a temperature between about 60 ° and about 180° C. of (A) a bis-oxazoline or oxazoline reactant characterized by the general formula: ##STR3## where R is a straight chain, branched chain or cycloalkyl group containing from 4 to 30 carbon atoms, (B) boric acid and (C) a substituted phenol selected from those having the general structures: ##STR4## wherein X is an alkylene group having from 1 to 5 carbon atoms; oxygen or sulfur; y and z are either 1 or 2; Ar and Ar' are phenyl, naphthyl or anthracenyl and Y a and Y b are substituents selected from alkyl, aryl or non-hydrocarbyl substituents; the molar ratio of A:B:C being between about 1:1:1 and about 1:3:5.
Claim 2
Dependent Claim
153 words
A lubricant composition comprising a major proportion of a base oil of lubricating viscosity or greases thereof containing a minor amount, sufficient to improve the antioxidant or antiwear properties thereof, of the product obtained by reaction at a temperature between about 60 ° and about 180° C. of (A) a bis-oxazoline or oxazoline reactant characterized by the general formula: ##STR3## where R is a straight chain, branched chain or cycloalkyl group containing from 4 to 30 carbon atoms, (B) boric acid and (C) a substituted phenol selected from those having the general structures: ##STR4## wherein X is an alkylene group having from 1 to 5 carbon atoms; oxygen or sulfur; y and z are either 1 or 2; Ar and Ar' are phenyl, naphthyl or anthracenyl and Y a and Y b are substituents selected from alkyl, aryl or non-hydrocarbyl substituents; the molar ratio of A:B:C being between about 1:1:1 and about 1:3:5.
Claim 3
Dependent Claim
22 words
The composition of claim 1 wherein the amount of said product present is between about 0.001 and about 10 percent by weight.
Claim 4
Dependent Claim
22 words
The composition of claim 1 wherein the amount of said product present is between about 0.1 and about 5 percent by weight.
Claim 5
Dependent Claim
13 words
The composition of claim 1 wherein said base oil is a mineral oil.
Claim 6
Dependent Claim
13 words
The composition of claim 1 wherein said base oil is a synthetic oil.
Claim 7
Dependent Claim
13 words
The composition of claim 1 wherein reactant (A) is n-C 18 -bis oxazoline.
Claim 8
Dependent Claim
25 words
The composition of claim 1 wherein Y a and Y b substituents are alkyl or substituted alkyl radicals of from 1 to 20 carbon atoms.
Claim 9
Dependent Claim
13 words
The composition of claim 1 wherein reactant (C) is a ditertiary alkyl-substituted phenol.
Claim 10
Dependent Claim
15 words
The composition of claim 1 wherein reactant (C) is 2,6-ditertiary butylphenol or substituted derivative thereof.
Claim 11
Dependent Claim
125 words
A solubilized borate of a bis-oxazoline resulting from reaction at a temperature between about 60° and about 180° C. of (A) a bis-oxazoline or oxazoline reactant characterized by the general formula: ##STR5## where R is a straight chain, branched chain or cycloalkyl group containing from 4 to 30 carbon stoms, (B) boric acid and (C) a substituted phenol selected from those having the general structures: ##STR6## wherein X is an alkylene group having from 1 to 5 carbon atoms; oxygen or sulfur; y and z are either 1 or 2; Ar and Ar' are phenyl, naphthyl or anthracenyl and Y a and Y b are substituents selected from alkyl, aryl or non-hydrocarbyl substitutents; the molar ratio of A:B:C being between about 1:1:1 and about 1:3:5.
Claim 12
Dependent Claim
125 words
A solubilized borate of a bis-oxazoline resulting from reaction at a temperature between about 60° and about 180° C. of (A) a bis-oxazoline or oxazoline reactant characterized by the general formula: ##STR5## where R is a straight chain, branched chain or cycloalkyl group containing from 4 to 30 carbon stoms, (B) boric acid and (C) a substituted phenol selected from those having the general structures: ##STR6## wherein X is an alkylene group having from 1 to 5 carbon atoms; oxygen or sulfur; y and z are either 1 or 2; Ar and Ar' are phenyl, naphthyl or anthracenyl and Y a and Y b are substituents selected from alkyl, aryl or non-hydrocarbyl substitutents; the molar ratio of A:B:C being between about 1:1:1 and about 1:3:5.
Claim 13
Dependent Claim
12 words
The borate of claim 10 wherein reactant (A) is n-C 18 -bis-oxazoline.
Claim 14
Dependent Claim
25 words
The borate of claim 10 wherein Y a and Y b substituents are alkyl or substituted alkyl radicals of from 1 to 20 carbon atoms.
Claim 15
Dependent Claim
13 words
The borate of claim 10 wherein reactant (C) is a ditertiary alkyl-substituted phenol.
Claim 16
Dependent Claim
15 words
The borate of claim 10 wherein reactant (C) is 2,6-ditertiary butylphenol or substituted derivatives thereof.
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) | 1982-07-23 | 1983-01-22 | 1983-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-07-23 | 1987-01-22 | 1987-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-07-23 | 1991-01-22 | 1991-07-24 | $7700.00 | Window Closed / Lapsed |