US2779706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulin extraction
Assignee: Organon NV
•
Filing: 1951-08-01
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Granted: 1957-01-29
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Expires: 1971-08-01
Abstract
No abstract record available.
Inventors
- 👤 Homan Jan Daniel Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:05
CPC Classifications
C; C07; C07K; C07K14/00; C07K14/435; C07K14/575; C07K14/62; C07K14/625; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/843; Y10S530/845
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
IN A PROCESS OF PREPARING INSULIN FROM INSULIN CONTAINING ORGANS, THE STEP COMPRISING REPEATEDLY EXTRACTING SAID ORGANS BY MEANS OF AN ACIDIC AQUEOUS ALCOHOLIC SOLUTION OF A CONCENTRATION TO YIELD AN ALCOHOLIC EXTRACT OF AN ALCOHOL CONTENT OF ABOUT 45-55% BY VOLUME, SAID ALCOHOLIC SOLUTION CONTAINING DISSOLVED THEREIN ABOUT 0.3 OF AMMONIUM CHLORIDE.
Claim 2
Dependent Claim
53 words
IN A PROCESS OF PREPARING INSULIN FROM INSULIN CONTAINING ORGANS, THE STEP COMPRISING REPEATEDLY EXTRACTING SAID ORGANS BY MEANS OF AN ACIDIC AQUEOUS ALCOHOLIC SOLUTION OF A CONCENTRATION TO YIELD AN ALCOHOLIC EXTRACT OF AN ALCOHOL CONTENT OF ABOUT 45-55% BY VOLUME, SAID ALCOHOLIC SOLUTION CONTAINING DISSOLVED THEREIN ABOUT 0.3 OF AMMONIUM CHLORIDE.
References Cited (Backward Citations)
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Cited
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Cited
GB566351A
Cited
US2529152A
Cited
US2573099A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |