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Patent US2615852A successfully refreshed from Google Patents.
US2615852A
Expired / Lapsed
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Demulsifying chemicals and method of breaking emulsions
Assignee: Visco Products Co
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Filing: 1948-12-14
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Granted: 1952-10-28
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Expires: 1968-12-14
Abstract
No abstract record available.
Inventors
- 👤 Earl T Kocher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:19
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A PROCESS FOR THE RESOLUTION OF OIL-IN-WATER EMULSIONS WHICH COMPRISES SUBJECTING AN OILIN WATER EMULSION TO THE ACTION OF A MOLECULARLY DEHYDRATED CONDENSATION PRODUCT OF THE REACTION OF 3% TO 10% BY WEIGHT OF ZINC CHLORIDE WITH AN ALKYLOLAMINE HEATED TOGETHER UNDER CONDITIONS FACILITATING THE ELIMINATION OF WATER.
Claim 2
Dependent Claim
48 words
A PROCESS FOR THE RESOLUTION OF OIL-IN-WATER EMULSIONS WHICH COMPRISES SUBJECTING AN OILIN WATER EMULSION TO THE ACTION OF A MOLECULARLY DEHYDRATED CONDENSATION PRODUCT OF THE REACTION OF 3% TO 10% BY WEIGHT OF ZINC CHLORIDE WITH AN ALKYLOLAMINE HEATED TOGETHER UNDER CONDITIONS FACILITATING THE ELIMINATION OF WATER.
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) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |