US2907714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-in-oil lubricant and hydraulic fluid
Assignee: Shell Development Co
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Filing: 1957-07-12
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Granted: 1959-10-06
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Expires: 1977-07-12
Abstract
No abstract record available.
Inventors
- 👤 Charles E Francis
- 👤 John J Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:59
CPC Classifications
C; C09; C09K; C09K23/00; C09K23/017; C10; C10M; C10M173/00; C10M2201/00; C10M2201/02; C10M2205/00; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2207/026; C10M2207/26; C10M2207/262; C10M2207/28; C10M2207/282; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/10; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/20; C10M2215/202; C10M2219/00; C10M2219/04; C10M2219/042; C10M2219/044; C10M2219/046; C10M2219/06; C10M2219/062; C10M2219/10; C10M2219/104; C10M2219/108; C10M2221/00; C10M2221/04; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/08; C10N2040/25; C10N2040/252; C10N2040/253; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50; C10N2050/00; C10N2050/01; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A WATER-IN-OIL EMULSION LUBRICANT AND HYDRAULIC FLUID WHICH IS FROM ABOUT 20% TO ABOUT 45% WATER PHASE AND FROM ABOUT 55% TO ABOUT 80% OIL PHASE, THE OIL PHASE BEING ESSENTIALLY A MINERAL OIL CONTAINING FROM ABOUT 0.5% TO ABOUT 12% EACH, BASED ON THE OIL, OF AN OILSOLUBLE BASIC ALKALINE EARTH METAL ORGAN SULFONATE AND AN OIL-SOLUBLE BASIC ALKALINE EARTH METAL ALKYL SALICYLATE FROM ABOUT 3% TO ABOUT 10% OF AN OIL-SOLUBLE CHLORINE-CONTAINING NAPHTHA XANTHATE.
Claim 2
Dependent Claim
76 words
A WATER-IN-OIL EMULSION LUBRICANT AND HYDRAULIC FLUID WHICH IS FROM ABOUT 20% TO ABOUT 45% WATER PHASE AND FROM ABOUT 55% TO ABOUT 80% OIL PHASE, THE OIL PHASE BEING ESSENTIALLY A MINERAL OIL CONTAINING FROM ABOUT 0.5% TO ABOUT 12% EACH, BASED ON THE OIL, OF AN OILSOLUBLE BASIC ALKALINE EARTH METAL ORGAN SULFONATE AND AN OIL-SOLUBLE BASIC ALKALINE EARTH METAL ALKYL SALICYLATE FROM ABOUT 3% TO ABOUT 10% OF AN OIL-SOLUBLE CHLORINE-CONTAINING NAPHTHA XANTHATE.
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) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |