US2540437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of emulsions
Assignee: Aquanox Corp
•
Filing: 1948-04-27
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Granted: 1951-02-06
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Expires: 1968-04-27
Abstract
No abstract record available.
Inventors
- 👤 Fritz E Fuchs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:44
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A DEMULSIFIER COMPOSITION FOR BREAKING WATER-IN-OIL PETROLEUM EMULSIONS CONSISTING ESSENTIALLY OF 15 TO 3% OF A POLYOXYALKYLENE DERIVATIVE OF A HEXITOL ANHYDRIDE PARTIALLY ESTERIFIED WITH A LONG CHAIN FATTY ACID, AND 85 TO 97% OF A MIXTURE OF WATER-SOLUBLE MAHOGANY AND GREEN ACID SOAPS AND AN OXIDIZED FATTY BODY, THE PROPORTIONS OF SAID SOAPS TO SAID OXIDIZED FATTY BODY IN SAID MIXTURE RANGING FROM 10% OF THE ONE TO 90% OF THE OTHER, AND THE PROPORTION OF SAID MAHOGANY ACID SOAP TO SAID GREEN ACID SOAP BEING ABOUT 10:7.
Claim 2
Dependent Claim
89 words
A DEMULSIFIER COMPOSITION FOR BREAKING WATER-IN-OIL PETROLEUM EMULSIONS CONSISTING ESSENTIALLY OF 15 TO 3% OF A POLYOXYALKYLENE DERIVATIVE OF A HEXITOL ANHYDRIDE PARTIALLY ESTERIFIED WITH A LONG CHAIN FATTY ACID, AND 85 TO 97% OF A MIXTURE OF WATER-SOLUBLE MAHOGANY AND GREEN ACID SOAPS AND AN OXIDIZED FATTY BODY, THE PROPORTIONS OF SAID SOAPS TO SAID OXIDIZED FATTY BODY IN SAID MIXTURE RANGING FROM 10% OF THE ONE TO 90% OF THE OTHER, AND THE PROPORTION OF SAID MAHOGANY ACID SOAP TO SAID GREEN ACID SOAP BEING ABOUT 10:7.
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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) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |