Patent US3293140A successfully refreshed from Google Patents.
US3293140A
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Process for obtaining products rich in bifidus ii factor
Assignee: Eurorga
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Filing: 1963-12-05
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Granted: 1966-12-20
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Expires: 1983-12-05
Abstract
No abstract record available.
Inventors
- 👤 Michel C G A Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:41
CPC Classifications
A; A61; A61K; A61K35/00; A61K35/12; A61K35/37; A61K35/407; A23; A23C; A23C9/00; A23C9/20; A23C9/203; A23K; A23K10/00; A23K10/10; A23K10/14; A61K35/56; A61K35/60; C; C07; C07K; C07K14/00; C07K14/435
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
57 words
A PROCESS FOR THE PRODUCTION OF BIFIDUSS II FACTOR, WHICH COMPRISES PROTEOLYTICALLY DIGESTING FISH INTESTINES AT ABOUT 50* TO 55*C. AND A PH OF ABOUT 5.8 TO 6.2 TO OBTAIN BIFIDUS II FACTOR IN AN AQUEOUS PHASE, SEPARATING SAID AQUEOUS PHASE FROM THE REMAINDER OF THE REACTION MIXTURE, AND RECOVERING BIFIDUS II FACTOR FROM SAID AQUEOUS PHASE.
References Cited (Backward Citations)
US2576066A
Cited
US3003880A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |