US2828267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for breaking petroleum emulsions
Assignee: Baker Petrolite LLC
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Filing: 1955-08-03
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Granted: 1958-03-25
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Expires: 1975-08-03
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
- 👤 Smith Alvin Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:56
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A PROCESS OF BREAKING PERTOLUM EMULSIONS OF THE WATER-IN-OIL TYPE CHARACTEWRIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A DEMULSIFYING AGENT; SAID DEMULSIFYING AGENT BEING A MIXTURE OF AT LEAST 60% BY WEIGHT AND NOT OVER 90% BY WEIGHT OF (A) AN AROMATIC SOLVENT-SOLUBLE MONIOMIC DEMULSIFIER, CONTAINING A PLURALITY OF LOWER OXYALKYLENE GROUPS AND AT LEAST 10% BY WEIGHT AND NOT OVER 40% BY WEIGHT OF (B) AMMONIUM SALTS OBTAINED BY MONO SULFONATION AND NEUTRALIZATION OF A SULPHONATABLE MIXTURE; SAID SULPHONATION MIXTURE CONSISTING OF (A) DINONYL PHENOL FOOTS; SAID FOOTS BEING CHARACTERIZED BY A DINONYL PHENOL TO NONYL PHENOL RATIO WITHIN THE RANGE OF 2:1 TO 3:1 AND WITH THE PRIVISO THAT SAID NONYL PHENOL CONTAINS NOT LESS THAN 90% OF NONYLATED PHENO/LS AND (B) DODECYL BENZENE BOTTOMS CONSISTING ESSENTIALLY OF DIDODECYL BENZENE AND OTHER POLYALKYLATED BENZENES; AND THE RATIO OF (A) TO (B) BEING WITHIN THE RANGE OF 2:1 TO 4:1.
Claim 2
Dependent Claim
153 words
A PROCESS OF BREAKING PERTOLUM EMULSIONS OF THE WATER-IN-OIL TYPE CHARACTEWRIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A DEMULSIFYING AGENT; SAID DEMULSIFYING AGENT BEING A MIXTURE OF AT LEAST 60% BY WEIGHT AND NOT OVER 90% BY WEIGHT OF (A) AN AROMATIC SOLVENT-SOLUBLE MONIOMIC DEMULSIFIER, CONTAINING A PLURALITY OF LOWER OXYALKYLENE GROUPS AND AT LEAST 10% BY WEIGHT AND NOT OVER 40% BY WEIGHT OF (B) AMMONIUM SALTS OBTAINED BY MONO SULFONATION AND NEUTRALIZATION OF A SULPHONATABLE MIXTURE; SAID SULPHONATION MIXTURE CONSISTING OF (A) DINONYL PHENOL FOOTS; SAID FOOTS BEING CHARACTERIZED BY A DINONYL PHENOL TO NONYL PHENOL RATIO WITHIN THE RANGE OF 2:1 TO 3:1 AND WITH THE PRIVISO THAT SAID NONYL PHENOL CONTAINS NOT LESS THAN 90% OF NONYLATED PHENO/LS AND (B) DODECYL BENZENE BOTTOMS CONSISTING ESSENTIALLY OF DIDODECYL BENZENE AND OTHER POLYALKYLATED BENZENES; AND THE RATIO OF (A) TO (B) BEING WITHIN THE RANGE OF 2:1 TO 4:1.
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) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |