US2927079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-in-oil emulsion lubricants
Assignee: Shell Development Co
•
Filing: 1955-12-16
•
Granted: 1960-03-01
•
Expires: 1975-12-16
Abstract
No abstract record available.
Inventors
- 👤 Willem Frederik Jense
- 👤 Johan Leonard Van Der Minne
- 👤 Pieter Hendrik Jan Hermanie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:07
CPC Classifications
C; C10; C10M; C10M173/00; C09; C09K; C09K23/00; C09K23/017; C10M1/00; C10M1/08; C10M2201/00; C10M2201/02; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/083; C10M2201/084; C10M2203/00; C10M2203/10; C10M2203/108; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/025; C10M2207/026; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/14; C10M2207/144; C10M2207/146; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/101; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/046; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/135; C10N2040/20; C10N2040/22; C10N2040/25; C10N2040/252; C10N2040/253; C10N2050/00; C10N2050/01; F; F02; F02B; F02B3/00; F02B3/06
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
104 words
A STABLE WATER-IN-MINERAL OIL EMULSION LUBRICANT COMPRISING FROM 20 TO 40 PARTS OF WATER AS THE DISPERSED PHASE AND FROM 80 TO 60 PARTS OF MINERAL OIL AS THE CONTINUOUS PHASE, SAID EMULSION CONTAINING DISPERSED ESSENTIALLY IN THE OIL PHASE (1) AN OIL-SOLUBLE ALKALINE EARTH METAL ORGANIC SULFONATE IN AN AMOUNT OF FROM ABOUT 0.05% TO ABOUT 0.5% BY WEIGHT OF THE METAL. CALCULATED ON THE OIL PHASE, AND (2) FROM ABOUT 2% TO ABOUT 5% BY WEIGHT, CALCULATED FROM 2 TO 40 ALKYL CARBON ATOMS ALKYL PHENOL CONTAINING FROM 2 TO 40 ALKYL CARBON ATOMS SO AS TO PREVENT PHASE SEPARATION AND FLOCCULATION.
Claim 2
Dependent Claim
104 words
A STABLE WATER-IN-MINERAL OIL EMULSION LUBRICANT COMPRISING FROM 20 TO 40 PARTS OF WATER AS THE DISPERSED PHASE AND FROM 80 TO 60 PARTS OF MINERAL OIL AS THE CONTINUOUS PHASE, SAID EMULSION CONTAINING DISPERSED ESSENTIALLY IN THE OIL PHASE (1) AN OIL-SOLUBLE ALKALINE EARTH METAL ORGANIC SULFONATE IN AN AMOUNT OF FROM ABOUT 0.05% TO ABOUT 0.5% BY WEIGHT OF THE METAL. CALCULATED ON THE OIL PHASE, AND (2) FROM ABOUT 2% TO ABOUT 5% BY WEIGHT, CALCULATED FROM 2 TO 40 ALKYL CARBON ATOMS ALKYL PHENOL CONTAINING FROM 2 TO 40 ALKYL CARBON ATOMS SO AS TO PREVENT PHASE SEPARATION AND FLOCCULATION.
Claim 3
Dependent Claim
25 words
THE COMPOSITION OF CLAIM 1 HAVING INCORPORATED IN THE WATER PHASE FROM 0.5 TO 2.5 GRAMS MOLS PER LITER OF A WATER-SOLUBLE DIVALENT METAL SALT.
References Cited (Backward Citations)
US2250188A
Cited
US2298660A
Cited
US2320263A
Cited
US2356254A
Cited
US2730498A
Cited
US2750340A
Cited
US2744870A
Cited
GB786596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |