US3884932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction product of alkyl or alkenyl succinic anhydrides with benzotriazole or methyl benzotriazole
Assignee: Mobil Oil AS
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Filing: 1973-10-03
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Granted: 1975-05-20
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Expires: 1993-10-03
Abstract
Abstract Hydrocarbon lubricant compositions are provided containing a minor proportion of the reaction product of at least one member of the group consisting of alkyl and alkenylsuccinic anhydrides and at least one member of the group consisting of benzotriazole and substituted benzotriazoles in a mole ratio of 1:1 to 1:2.
Inventors
- 👤 Jr Harry J Andress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:24
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/02; C10M2205/024; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2207/04; 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; C10M2215/06; C10M2215/10; C10M2215/102; C10M2215/22; C10M2215/221; C10M2215/222; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/06; C10M2223/065; C10M2227/00; C10M2227/02; C10M2227/04; C10M2227/08; C10M2227/081; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
63 words
THE REACTION PRODUCT OF AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF ALKYL AND ALKENYLSUCCINIC ANHYDRIDES WHEREIN THE ALKYL AND ALKENYL GROUPS EACH CONTAIN FROM EITHT TO 30 CARBON ATOMS, AND AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF BENZOTRIAZOLE AND METHYL BENZOTRIAZOLE IN A MOLE RATIO OF FROM 1:1 TO 1:2 AT A TEMPERATURE FROM ABOUT 125*C. TO ABOUT 145*C.
Claim 2
Dependent Claim
63 words
THE REACTION PRODUCT OF AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF ALKYL AND ALKENYLSUCCINIC ANHYDRIDES WHEREIN THE ALKYL AND ALKENYL GROUPS EACH CONTAIN FROM EITHT TO 30 CARBON ATOMS, AND AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF BENZOTRIAZOLE AND METHYL BENZOTRIAZOLE IN A MOLE RATIO OF FROM 1:1 TO 1:2 AT A TEMPERATURE FROM ABOUT 125*C. TO ABOUT 145*C.
Claim 3
Dependent Claim
13 words
The reaction product of claim 1 wherein the alkenylsuccinic anhydride is octenylsuccinic anhydride.
Claim 4
Dependent Claim
14 words
The reaction product of claim 1 wherein the alkenylsuccinic anhydride is a polybutenylsuccinic anhydride.
Claim 5
Dependent Claim
13 words
The reaction product of claim 1 wherein the alkenylsuccinic anhydride is triacontenylsuccinic anhydride.
Claim 6
Dependent Claim
13 words
The reaction product of claim 1 wherein the alkylsuccinic anhydride is isooctadecylsuccinic anhydride.
References Cited (Backward Citations)
US3784645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-19 | 1978-11-18 | 1979-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-19 | 1982-11-18 | 1983-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-19 | 1986-11-18 | 1987-05-20 | $7700.00 | Window Closed / Lapsed |