US2632012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for separating oil-soluble substances
Assignee: Lever Brothers Co
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Filing: 1948-03-27
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Granted: 1953-03-17
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Expires: 1968-03-27
Abstract
No abstract record available.
Inventors
- 👤 Boldingh Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:18
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/59; C; C11; C11B; C11B3/00; C11B3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PROCESS FOR THE SEPARATION OF A SUBSTANCE SOLUBLE IN GLYCERIDE OILS FROM A LIQUID MIXTURE CONTAINING SAID SUBSTRANCE, WHICH PROCESS COMPRISES CONTACTING SAID MIXTURE WITH A FINELY DIVIDED SOLID RUBBER SUBSTANTIALLY INSOLUBLE IN SAID MIXTURE AND IN WHICH SAID SUBSTANCE IS DISPERSABLE, WHEREBY THERE IS FORMED A SOLID PHASE CONTAINING ABSORBED SUBSTANCE AND A LIQUID PHASE SEPARATING THE SOLID PHASE AND RECOVERING THE ABSORBED SUBSTANCE THEREFROM.
Claim 2
Dependent Claim
67 words
A PROCESS FOR THE SEPARATION OF A SUBSTANCE SOLUBLE IN GLYCERIDE OILS FROM A LIQUID MIXTURE CONTAINING SAID SUBSTRANCE, WHICH PROCESS COMPRISES CONTACTING SAID MIXTURE WITH A FINELY DIVIDED SOLID RUBBER SUBSTANTIALLY INSOLUBLE IN SAID MIXTURE AND IN WHICH SAID SUBSTANCE IS DISPERSABLE, WHEREBY THERE IS FORMED A SOLID PHASE CONTAINING ABSORBED SUBSTANCE AND A LIQUID PHASE SEPARATING THE SOLID PHASE AND RECOVERING THE ABSORBED SUBSTANCE THEREFROM.
References Cited (Backward Citations)
US150303A
Cited
GB258786A
Cited
US2082304A
Cited
US2174177A
Cited
US2255875A
Cited
US2367803A
Cited
US2341329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |