US4225447A
Expired / Lapsed
US
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Emulsifiable lubricant compositions
Assignee: Mobil Oil AS
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Filing: 1979-01-08
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Granted: 1980-09-30
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Expires: 1999-01-08
Abstract
Abstract An emulsifiable concentrate for use in water-in-oil fire-resistant hydraulic fluids, comprises lubricant and a polyalkenylsuccinic acid or anhydride or a salt thereof.
Inventors
- 👤 Derek A. Law
- 👤 Robert H. Davis
- 👤 Harry J. Andress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:01
CPC Classifications
C; C10; C10M; C10M173/00; C10M173/02; C10M141/00; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/04; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/129; C10M2207/22; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/105; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/10; C10M2215/102; C10M2215/12; C10M2215/24; C10M2215/26; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2227/00; C10M2227/02; C10M2227/04; C10M2227/08; C10M2227/081; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
68 words
An emulsifiable lubricant composition consisting essentially of a lubricating oil and a member selected from the group consisting of (1) an alkenylsuccinic anhydride, wherein said alkenylsuccinic anhydride has a number average molecular weight of from about 300 to about 3000, (2) the alkenylsuccinic anhydride of (1) in combination with a rosin salt and (3) the alkenylsuccinic anhydride of (1) in combination with an amine and a rosin soap.
Claim 2
Dependent Claim
68 words
An emulsifiable lubricant composition consisting essentially of a lubricating oil and a member selected from the group consisting of (1) an alkenylsuccinic anhydride, wherein said alkenylsuccinic anhydride has a number average molecular weight of from about 300 to about 3000, (2) the alkenylsuccinic anhydride of (1) in combination with a rosin salt and (3) the alkenylsuccinic anhydride of (1) in combination with an amine and a rosin soap.
Claim 3
Dependent Claim
19 words
The composition of claim 1 wherein the alkenyl is derived from an olefin having 2 to 10 carbon atoms.
Claim 4
Dependent Claim
20 words
The composition of claim 1 containing from about 0.5 to about 10 percent by weight of (1), (2) or (3).
Claim 5
Dependent Claim
20 words
The composition of claim 3 containing from about 2 to about 5 percent by weight of (1), (2) or (3).
Claim 6
Dependent Claim
18 words
The composition of claim 1 emulsified with from about 10 to less than about 60 percent of water.
Claim 7
Dependent Claim
20 words
The composition of claim 5 having in the emulsion from about 40 to about 80 percent by weight of lubricant.
Claim 8
Dependent Claim
20 words
The composition of claim 6 having in the emulsion from about 50 to about 70 percent by weight of lubricant.
Claim 9
Dependent Claim
16 words
The composition of claim 1 wherein (1) is polyisobutenylsuccinic anhydride having a molecular weight of 1300.
Claim 10
Dependent Claim
16 words
The composition of claim 1 wherein the rosin soap is the potassium salt of rosin acid.
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) | 1983-09-30 | 1984-03-31 | 1984-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-30 | 1988-03-31 | 1988-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-30 | 1992-03-31 | 1992-09-30 | $7700.00 | Window Closed / Lapsed |