US3583915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load carrying additives
Assignee: Mobil Oil AS
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Filing: 1968-07-22
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Granted: 1971-06-08
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Expires: 1988-07-22
Abstract
Abstract INDUSTRIAL FLUID COMPOSITIONS CONTAINING IN ADDITIVE AMOUNTS AN ADMIXTURE OF (1) A DIALKYL OR DIALKARYL HYDROGEN PHOSPHONATE, WHEREIN THE ALKYL OR ALKENYL GROUP HAS 14 CARBON ATOMS OR MORE, AND (2) AN ACTIVE SULFUR COMPOUND HAVE UNEXPECTEDLY IMPROVED LOAD CARRYING PROPERTIES. THE PHOSPHONATES HAVING AT LEAST 18 CARBON ATOMS AND SULFURIZED ALKYLENE HYDROCARBONS ARE THE PREFERRED COMPONENTS.
Inventors
- 👤 Herbert Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:42
CPC Classifications
C; C10; C10M; C10M141/00; C10M141/10; C10M135/00; C10M135/02; C10M137/00; C10M137/02; C10M137/04; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2205/00; C10M2207/00; C10M2207/04; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/108; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/06; C10M2219/062; C10M2219/08; C10M2219/082; C10M2219/083; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/06; C10M2223/065; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |