US2547208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the refining of tall oil soap
Assignee: U S Ind Chemicals Inc
•
Filing: 1947-06-26
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Granted: 1951-04-03
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Expires: 1967-06-26
Abstract
No abstract record available.
Inventors
- 👤 Hasselstrom Torsten
- 👤 Stoll Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:18
CPC Classifications
C; C11; C11D; C11D15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
THE METHOD OF REFINING AN AQUEOUS SOLUTION OF A TALL OIL SOAP COMPRISING 25% TO 70% WATER AND ALSO CONTAINING UNDESIRABLE NON-SAPONIFLABLES AND COLOR BODIES, WHICH METHOD COMPRISES DISSOLVING SAID AQUEOUS SOLUTION TO FORM A SINGLE PHASE IN A DIALKYL KETONE WHICH IS LIQUID AT ORDINARY TEMPERATURES AND WHICH, AT ORDINARY TEMPERATURES, IS SOLUBLE IN WATER TO THE EXTENT OF ABOUT 0.2% TO ABOUT 10% BY WEIGHT AND THEREAFTER SEPARATING THE KETONE SOLUTION INTO A KETONE LAYER CONTAINING THE MAJOR PORTION OF THE NONSAPONIFIABLES AND COLOR BODIES AND AN AQUEOUS LAYER CONTAINING MAJOR PORTION OF THE TALL OIL SOAP BY ADDING FURTHER WATER TO THE SAID KETONE SOLUTION.
Claim 2
Independent Claim
108 words
THE METHOD OF REFINING AN AQUEOUS SOLUTION OF A TALL OIL SOAP COMPRISING 25% TO 70% WATER AND ALSO CONTAINING UNDESIRABLE NON-SAPONIFLABLES AND COLOR BODIES, WHICH METHOD COMPRISES DISSOLVING SAID AQUEOUS SOLUTION TO FORM A SINGLE PHASE IN A DIALKYL KETONE WHICH IS LIQUID AT ORDINARY TEMPERATURES AND WHICH, AT ORDINARY TEMPERATURES, IS SOLUBLE IN WATER TO THE EXTENT OF ABOUT 0.2% TO ABOUT 10% BY WEIGHT AND THEREAFTER SEPARATING THE KETONE SOLUTION INTO A KETONE LAYER CONTAINING THE MAJOR PORTION OF THE NONSAPONIFIABLES AND COLOR BODIES AND AN AQUEOUS LAYER CONTAINING MAJOR PORTION OF THE TALL OIL SOAP BY ADDING FURTHER WATER TO THE SAID KETONE SOLUTION.
References Cited (Backward Citations)
US2309483A
Cited
US2395282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |