Patent USRE30142E successfully refreshed from Google Patents.
USRE30142E
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US
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Phosphorus, nitrogen and sulfo-containing additives
Assignee: Lubrizol Corp
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Filing: 1977-12-14
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Granted: 1979-11-06
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Expires: 1997-12-14
Abstract
Abstract Additives made by reaction of (A) at least one phosphorus acid compound of the formula: ##STR1## wherein each X is independently oxygen or divalent sulfur, M is hydrogen or an equivalent of metal or ammonium cation, R is a hydrogen atom or a hydrocarbyl or hydrocarbyloxy or hydrocarbyl mercapto group of about one to about 30 carbon atoms and R' is XM or R with the proviso that the total number of carbon atoms in both R and R' is at least two, with (B) at least one sulfo-containing compound of the formula: ##STR2## .[.or.]. .Iadd.and .Iaddend. ##STR3## wherein y is one or two, R 3 is hydrogen or lower alkyl group, R 2 is a divalent or trivalent hydrocarbyl group, R 4 is a trivalent hydrocarbyl group, and Q is --OH, --OR 3 , --OM, an alkylene polyamine residue, or N(R 3 ) 2 , are novel and useful and have utility as, for example, additives for water-containing hydraulic fluids.
Inventors
- 👤 William M. LeSuer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:35
CPC Classifications
C; C10; C10M; C10M137/00; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/1651; C07F9/28; C07F9/30; C07F9/32; C07F9/3258; C07F9/3264; C07F9/38; C07F9/40; C07F9/4071; C10M2201/00; C10M2201/02; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/06; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2205/028; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/024; C10M2207/026; C10M2207/04; C10M2207/046; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; 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; C10M2209/107; C10M2209/108; C10M2209/109; C10M2209/11; C10M2209/111; C10M2211/00; C10M2211/02; C10M2211/06; C10M2211/08; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/20; C10M2215/202; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2219/08; C10M2219/082; C10M2219/086; C10M2221/00; C10M2221/04; C10M2221/043; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/043; C10M2223/045; C10M2223/047; C10M2223/06; C10M2223/061; C10M2223/063; C10M2223/065; C10M2223/10; C10M2223/12; C10M2225/00; C10M2225/02; C10M2227/00; C10M2227/02; C10M2227/04; C10M2227/06; C10M2227/061; C10M2227/062; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/043; C10M2229/044; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10M2229/05; C10M2229/051; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/14; C10N2010/16; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/02; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/20; C10N2040/25; C10N2040/252; C10N2040/253; C10N2040/255; C10N2040/26; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
250 words
A lubricating oil comprising a major amount of oil and a minor amount of at least one additive sufficient to impart improved load-carrying properties thereto wherein said additive is a sulfo-, nitrogen- and phosphorus-containing additive selected from those corresponding to the formulae: ##STR22## and mixtures of two or more such additives wherein z is one or two, each X is independently oxygen or divalent sulfur, R is hydrogen or a hydrocarbyl, hydrocarbyloxy, or hydrocarbyl mercapto group of about one to about 30 carbon atoms, and R' is XM or R, M being a hydrogen, an equivalent of a metal or ammonium cation, with the proviso that the total number of carbon atoms in both R and R' is at least two, y is one or two, each R 3 is independently hydrogen or lower alkyl group of one to seven carbon atoms. R 2 is di- or trivalent hydrocarbyl group having one to 18 carbon atoms, R 4 is a trivalent hydrocarbyl group having one to 18 carbon atoms, and Q is selected from the group consisting of --OH, --OR 3 , --OM, --O(Alkylene--O) n --R 3 , --N(R 3 ) 2 , --NR 3 (Alkylene-NR 3 ) n R 3 , .[.--OH(R 3 ) 4 ,.]. .Iadd.--ON(R 3 ) 4 , .Iaddend.and ---ONR 3 -(Alkylene-NR 3 ) n R 3 , wherein n has an average value of about one to about 10, M is as defined above and the alkylene group has from one to 10 carbon atoms.
Claim 2
Dependent Claim
250 words
A lubricating oil comprising a major amount of oil and a minor amount of at least one additive sufficient to impart improved load-carrying properties thereto wherein said additive is a sulfo-, nitrogen- and phosphorus-containing additive selected from those corresponding to the formulae: ##STR22## and mixtures of two or more such additives wherein z is one or two, each X is independently oxygen or divalent sulfur, R is hydrogen or a hydrocarbyl, hydrocarbyloxy, or hydrocarbyl mercapto group of about one to about 30 carbon atoms, and R' is XM or R, M being a hydrogen, an equivalent of a metal or ammonium cation, with the proviso that the total number of carbon atoms in both R and R' is at least two, y is one or two, each R 3 is independently hydrogen or lower alkyl group of one to seven carbon atoms. R 2 is di- or trivalent hydrocarbyl group having one to 18 carbon atoms, R 4 is a trivalent hydrocarbyl group having one to 18 carbon atoms, and Q is selected from the group consisting of --OH, --OR 3 , --OM, --O(Alkylene--O) n --R 3 , --N(R 3 ) 2 , --NR 3 (Alkylene-NR 3 ) n R 3 , .[.--OH(R 3 ) 4 ,.]. .Iadd.--ON(R 3 ) 4 , .Iaddend.and ---ONR 3 -(Alkylene-NR 3 ) n R 3 , wherein n has an average value of about one to about 10, M is as defined above and the alkylene group has from one to 10 carbon atoms.
Claim 3
Dependent Claim
30 words
The oil of claim 1 wherein R' is the same as R and R is a hydrocarbyloxy group containing one to about 18 carbon atoms and each X is oxygen.
Claim 4
Dependent Claim
26 words
The oil of claim 1 wherein each X is a divalent sulfur atom and R and R' are independently C 1 -C 18 alkoxy groups. 3
Claim 5
Dependent Claim
16 words
The oil of claim 1 wherein M is a Group I, II(A) or II(B) metal cation.
Claim 6
Dependent Claim
34 words
The oil of claim 1 wherein Q is selected from the group consisting of --NR 3 (Alkylene--NR 3 ) n R 3 and --ONR 3 3 -(Alkylene-NR.sup. 3) n R 3 and mixtures thereof.
Claim 7
Dependent Claim
13 words
The oil of claim 1 wherein Q is --O(Alkylene--O) n R 3 .
Claim 8
Dependent Claim
20 words
A concentrate comprising a substantially inert liquid diluent or solvent and at least one additive as claimed in claim 1.
Claim 9
Dependent Claim
200 words
A concentrate comprising about 60 to about 5 parts of a substantially inert diluent or solvent and 40 to 95 parts of at least one additive as claimed in claim 1. .Iadd. 9. A lubricating oil comprising a major amount of oil and a minor amount of at least one additive sufficient to impart improved load-carrying properties thereto wherein said additive is a sulfo-, nitrogen- and phosphorus-containing additive made by reacting (A) at least one phosphorus acid compound of the formula: ##STR23##.Iaddend. wherein each X is independently oxygen or divalent sulfur, M is hydrogen or an equivalent of metal or ammonium cation, R is a hydrogen atom or a hydrocarbyl or hydrocarbyloxy or hydrocarbyl mercapto group of about one to about 30 carbon atoms and R' is XM or R with the proviso that the total number of carbon atoms in both R and R' is at least two, with (B) at least one sulfo-containing compound of the formula: ##STR24## wherein y is one or two, R 3 is hydrogen or lower alkyl group, R 2 is a divalent or trivalent hydrocarbyl group, R 4 is a trivalent hydrocarbyl group, and Q is --OH, --OR 3 , --OM, an alkylene
Claim 10
Dependent Claim
106 words
polyamine residue, or N(R 3 ) 2 . .Iadd. 10. An oil as claimed in claim 9 wherein each X is sulfur. .Iaddend..Iadd. 11. An oil as claimed in claim 10 wherein the sulfo-containing compound (B) is selected from the group consisting of 2-acrylamidoethanesulfonic acid, 2-acrylamidopropanesulfonic acid, 2-acrylamido-2-methylpropanesulfonic acid, 1-1-bis(acrylamido)-2-methyl propane-2-sulfonic acid, and mixtures of same. .Iaddend..Iadd. 12. An oil as claimed in claim 9 wherein the sulfo-containing compound (B) is 2-acrylamido-2-methylpropanesulfonic acid. .Iaddend..Iadd. 13. An oil as claimed in claim 11 wherein the sulfo-containing compound (B) is 2-acrylamido-2-methylpropanesulfonic acid. .Iaddend..Iadd. 14. An oil as claimed in claim 9 wherein (B) is of the formula ##STR25##
Claim 11
Dependent Claim
44 words
.Iaddend. .Iadd. 15. An oil as claimed in claim 1 wherein the additive is of the formula ##STR26##.Iaddend. wherein R and R' are C 1-10 alkyl groups and each R 3 is independently hydrogen or an alkyl group of one to seven carbon atoms.
Claim 12
Dependent Claim
15 words
.Iadd. 16. An oil as claimed in claim 14 wherein R 3 is methyl. .Iaddend.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-11-05 | 1983-05-07 | 1983-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-11-05 | 1987-05-07 | 1987-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-11-05 | 1991-05-07 | 1991-11-06 | $7700.00 | Window Closed / Lapsed |