Patent US2606874A successfully refreshed from Google Patents.
US2606874A
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Water in oil emulsions containing 1, 2-alkanediols as coupling agents
Assignee: Shell Development Co
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Filing: 1948-06-08
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Granted: 1952-08-12
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Expires: 1968-06-08
Abstract
No abstract record available.
Inventors
- 👤 Garner Philip James
- 👤 Winsor Philip Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:34
CPC Classifications
C; C09; C09K; C09K23/00; C09K23/017; C10; C10M; C10M173/00; C10M2201/00; C10M2201/08; C10M2201/084; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/126; C10M2207/16; C10M2219/00; C10M2219/04; C10M2219/042; C10M2219/044; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/01; C10N2050/013; Y; Y10; Y10S; Y10S516/00; Y10S516/905; Y10S516/909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A WATER IN OIL EMULSION READILY DISPERSIBLE IN WATER CONSISTING ESSENTIALLY OF A MINERAL OIL, WATER, A WATER-SOLUBLE SULFATE SALT OF AN ALIPHATIC ALCOHOL CONTAINING FROM SEVEN TO ABOUT EIGHTEEN CARBON ATOMS TO THE MOLECULE, AND 1,2-OCTANEDIOL.
Claim 2
Dependent Claim
37 words
A WATER IN OIL EMULSION READILY DISPERSIBLE IN WATER CONSISTING ESSENTIALLY OF A MINERAL OIL, WATER, A WATER-SOLUBLE SULFATE SALT OF AN ALIPHATIC ALCOHOL CONTAINING FROM SEVEN TO ABOUT EIGHTEEN CARBON ATOMS TO THE MOLECULE, AND 1,2-OCTANEDIOL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |