Patent US2595825A successfully refreshed from Google Patents.
US2595825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solvent extraction of vegetable oils
Assignee: Procter and Gamble Co
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Filing: 1949-05-13
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Granted: 1952-05-06
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Expires: 1969-05-13
Abstract
No abstract record available.
Inventors
- 👤 Walter H Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:48
CPC Classifications
C; C11; C11B; C11B1/00; C11B1/02; C11B1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN THE EXTRACTION OF OIL FROM COMMINUTED COTTONSEED MEATS BY MEANS OF A VOLATILE ORGANIC OIL EXTRACTION SOLVENT WHEREIN A PLURALITY OF SEPARATE BEDS OF FLAKED MEATS ARE SUBJECTED TO CONTACT WITH OIL EXTRACTION SOLVENT, THE STEPS WHICH COMPRISE CONTACTING THE MEATS WITH A PRE-WETTING AGENT CONSITING AT LEAST IN PART OF A WATER-MISCIBLE ORGANIC SOLVENT HAVING AFFINITY FOR WATER-SOLUBLE SUBSTANCES IN THE MEATS TO EFFECT PRE-WETTING AND SWELLING OF THE MEATS, FORMING THE PRE-WETTED AND SWELLED MEATS INTO A PLURALITY OF SEPARATED BEDS AND THEREAFTER PASSING SUCCESSIVELY THROUGH SAID BEDS AN OIL EXTRACTION SOLVENT CAPABLE OF EXTRACTING OIL FROM SAID MEATS AND COMPRISING A WATER-MISCIBLE ORGANIC SOLVENT HAVING AFFINITY FOR WATER-SOLUBLE SUBSTANCES IN THE MEATS.
Claim 2
Dependent Claim
116 words
IN THE EXTRACTION OF OIL FROM COMMINUTED COTTONSEED MEATS BY MEANS OF A VOLATILE ORGANIC OIL EXTRACTION SOLVENT WHEREIN A PLURALITY OF SEPARATE BEDS OF FLAKED MEATS ARE SUBJECTED TO CONTACT WITH OIL EXTRACTION SOLVENT, THE STEPS WHICH COMPRISE CONTACTING THE MEATS WITH A PRE-WETTING AGENT CONSITING AT LEAST IN PART OF A WATER-MISCIBLE ORGANIC SOLVENT HAVING AFFINITY FOR WATER-SOLUBLE SUBSTANCES IN THE MEATS TO EFFECT PRE-WETTING AND SWELLING OF THE MEATS, FORMING THE PRE-WETTED AND SWELLED MEATS INTO A PLURALITY OF SEPARATED BEDS AND THEREAFTER PASSING SUCCESSIVELY THROUGH SAID BEDS AN OIL EXTRACTION SOLVENT CAPABLE OF EXTRACTING OIL FROM SAID MEATS AND COMPRISING A WATER-MISCIBLE ORGANIC SOLVENT HAVING AFFINITY FOR WATER-SOLUBLE SUBSTANCES IN THE MEATS.
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) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |