Patent US2902501A successfully refreshed from Google Patents.
US2902501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Upgrading of soda ash soapstock
Assignee: Individual
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Filing: 1954-08-19
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Granted: 1959-09-01
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Expires: 1974-08-19
Abstract
No abstract record available.
Inventors
- 👤 Clayton Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:36
CPC Classifications
C; C11; C11B; C11B13/00; C11B13/02; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/74
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
A SALTING-OUT PROCESS FOR UPGRADING SODA ASH SOAPSTOCKS THAT ARE STRONGLY ALKALINE AS A RESULT OF CONTAINING EXCESS SODA ASH, SAID SOAPSTOCKS RESULTING FROM THE SODA ASH REFINING OF GLYCERIDE OILS AND CONTAINING GUMS FROM SUCH OILS, SAID PROCESS INCLUDING THE STEPS OF: SALTING OUT A SOAP-GUM MATERIAL BY HEATING SAID SOAPSTOCK TO AND MAINTAINING SAME AT A TEMPERATURE SUFFICIENT FOR THE EXCESS SODA ASH TO DECOMPOSE SAID GUMS, SAID TEMPERATURE GEING NO MORE THAN ABOUT 220* C. SAID SOAPSTOCK BEING HEATED AND MAINTAINED HOT WHILE AT A SUPERATMOSPHERIC PRESSURE SUFFICIENT TO PREVENT VAPORIZING OF WATER; AND SEPARATING THE RESULTING PRODUCT BY DIFFERENCE IN SPACIFIC GRAVITY INTO THE SALTED-OUT SOAP-GUM MATERIAL AND AN AQUEOUS MATERIAL.
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) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |