Patent US2930755A successfully refreshed from Google Patents.
US2930755A
Expired / Lapsed
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Stabilization of water-in-oil emulsion
Assignee: ExxonMobil Oil Corp
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Filing: 1955-08-15
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Granted: 1960-03-29
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Expires: 1975-08-15
Abstract
No abstract record available.
Inventors
- 👤 Bob C Crittendon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:53
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/02; C09K8/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
AN EMULSION FLUID COMPRISING IN ADMIXTURE WATER, OIL, BLOWN TALL OIL, AND A RESIN DERIVED FROM RESINOUS WOOD AND CHARACTERIZED BY FREEDOM FROM WOOD ROSIN, SOLUBILITY IN ALCOHOL, SUBSTANTIAL INSOLUBILITY IN GASOLINE, A METHOXY CONTENT OF ABOUT 3% TO ABOUT 6%, AN ACID NUMBER OF ABOUT 100, A NAPHTHA INSOLUBILITY OF ABOUT 98%, AND A MELTING POINT OF ABOUT 125*C.
Claim 2
Dependent Claim
60 words
AN EMULSION FLUID COMPRISING IN ADMIXTURE WATER, OIL, BLOWN TALL OIL, AND A RESIN DERIVED FROM RESINOUS WOOD AND CHARACTERIZED BY FREEDOM FROM WOOD ROSIN, SOLUBILITY IN ALCOHOL, SUBSTANTIAL INSOLUBILITY IN GASOLINE, A METHOXY CONTENT OF ABOUT 3% TO ABOUT 6%, AN ACID NUMBER OF ABOUT 100, A NAPHTHA INSOLUBILITY OF ABOUT 98%, AND A MELTING POINT OF ABOUT 125*C.
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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) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |