Patent US2970909A successfully refreshed from Google Patents.
Patent US3755176A successfully refreshed from Google Patents.
US3755176A
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US
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Sulfur-containing carboxylic acids as corrosion inhibitors
Assignee: Mobil Oil AS
•
Filing: 1971-05-14
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Granted: 1973-08-28
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Expires: 1991-05-14
Abstract
Abstract Organic compositions comprising a liquid hydrocarbon have improved corrosion inhibiting properties when an alkyl thiohydrocarbyl acid, or amine salt thereof, is present in the composition.
Inventors
- 👤 A Williams
- 👤 R Kinney
- 👤 V Coty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:03
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/16; C07; C07C; C07C323/00; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2406; C10L1/2418; C10M; C10M135/00; C10M135/20; C10M135/22; C10M135/26; C10M173/00; C10M2201/00; C10M2201/02; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/10; C10M2203/104; C10M2203/106; C10M2205/00; C10M2205/02; C10M2205/028; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/085; C10N; C10N2030/00; C10N2030/08; C10N2030/12; C10N2040/00; C10N2040/02; C10N2040/08; C10N2040/12; C10N2040/13; C10N2040/135; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
19 words
the composition of claim 1 comprising from about 0.01 tO about 5 percent by weight of said acid salt.
Claim 2
Dependent Claim
21 words
The composition of claim 1 wherein the hydrocarbon liquid is a mineral oil, a synthetic oil or a liquid hydrocarbon fuel.
Claim 3
Dependent Claim
12 words
The composition of claim 3 wherein the oil is a lubricating oil.
Claim 4
Dependent Claim
12 words
The composition of claim 3 wherein the oil is a turbine oil.
Claim 5
Dependent Claim
13 words
The composition of claim 4 wherein the lubricating oil is a polyolefin fluid.
Claim 6
Dependent Claim
22 words
An aqueous emulsion comprising the composition of claim 1 and from about 50 to about 99 percent by weight thereof of water.
Claim 7
Dependent Claim
11 words
The composition of claim 1 wherein the acid is n-decylthio-phenylbutyric acid.
Claim 8
Dependent Claim
16 words
The composition of claim 1 wherein the acid has the formula (HOOC(CH2)2CH(C8H17) - S - CH2CH2)2
References Cited (Backward Citations)
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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) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |