US2743281A
Expired / Lapsed
US
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Synthetic lubricants
Assignee: ExxonMobil Oil Corp
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Filing: 1955-07-29
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Granted: 1956-04-24
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Expires: 1975-07-29
Abstract
No abstract record available.
Inventors
- 👤 Charles F Feasley
- 👤 William E Garwood
- 👤 Alexander N Sachanen
- 👤 Francis M Seger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:10
CPC Classifications
C; C10; C10M; C10M3/00; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/027; C10M2207/04; C10M2207/044; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/144; C10M2207/146; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/105; C10M2209/106; C10M2215/00; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2217/00; C10M2217/02; C10M2217/028; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2221/00; C10M2221/02; C10M2223/00; C10M2223/12; C10M2225/00; C10M2225/04; C10M2227/00; C10M2227/04; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13; C10N2040/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
AN OIL LUBRICATING VISCOSITY CHARACTERIZED BY RELATIVELY HIGH SPECIFIC GRAVITY, HIGH VISCOSITY INDEX AND LOW POUR POINT AND OBTAINED BY: CONDENSING, AT A TEMPERATURE OF ABOUT 85* C. FOR ABOUT NINE HOURS, ONE MOLAR PROPORTION OF N-DECENE-1 WITH ONE MOLAR PROPORTION OF DIOXANE AND 0.1 MOLAR PROPORTION OF BENZOYL PEROXIDE, AND SEPARATING SAID OIL FROM THE REACTION PRODUCT THUS FORMED.
Claim 2
Dependent Claim
60 words
AN OIL LUBRICATING VISCOSITY CHARACTERIZED BY RELATIVELY HIGH SPECIFIC GRAVITY, HIGH VISCOSITY INDEX AND LOW POUR POINT AND OBTAINED BY: CONDENSING, AT A TEMPERATURE OF ABOUT 85* C. FOR ABOUT NINE HOURS, ONE MOLAR PROPORTION OF N-DECENE-1 WITH ONE MOLAR PROPORTION OF DIOXANE AND 0.1 MOLAR PROPORTION OF BENZOYL PEROXIDE, AND SEPARATING SAID OIL FROM THE REACTION PRODUCT THUS FORMED.
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) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |