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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
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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 2026-11-04 11:48
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

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