US2658020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing a hemostatic agent
Assignee: GIBONE TRUST
•
Filing: 1949-06-08
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Granted: 1953-11-03
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Expires: 1969-06-08
Abstract
No abstract record available.
Inventors
- 👤 Schoch Adrien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:56
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/70; A61K31/715
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A PROCESS FOR PRODUCING A HEMOSTATIC AGENT SUITABLE FOR INTRAVENOUS INJECTION COMPRISING EXTRACTING THE AQUEOUS CONTENT OF THE PULP OF MAMMALIAN ORGAN SELECTED FROM THE GROUP CONSISTING OF BRAIN, LIVER, LUNG, AND KIDNEY WITH ACETONE SEPARATING THE ACETONE FROM SAID PULP, EXTRACTING FAT IN THE MAMMALIAN ORGAN WITH ETHYL ETHER SEPARATING THE ETHYL ETHER FROM THE ORGAN SUBSTANCE, AGITATING THE EXTRACTED ORGAN SUBSTANCE WITH 40 TO 70 PERCENT AQUEOUS ETHANOL TO FORM A SOLUTION OF THE HEMOSTATIC AGENT, SEPARATING THE AQUEOUS ALCOHOL SOLUTION FROM UNDISSOLVED SUB-
Claim 2
Dependent Claim
86 words
A PROCESS FOR PRODUCING A HEMOSTATIC AGENT SUITABLE FOR INTRAVENOUS INJECTION COMPRISING EXTRACTING THE AQUEOUS CONTENT OF THE PULP OF MAMMALIAN ORGAN SELECTED FROM THE GROUP CONSISTING OF BRAIN, LIVER, LUNG, AND KIDNEY WITH ACETONE SEPARATING THE ACETONE FROM SAID PULP, EXTRACTING FAT IN THE MAMMALIAN ORGAN WITH ETHYL ETHER SEPARATING THE ETHYL ETHER FROM THE ORGAN SUBSTANCE, AGITATING THE EXTRACTED ORGAN SUBSTANCE WITH 40 TO 70 PERCENT AQUEOUS ETHANOL TO FORM A SOLUTION OF THE HEMOSTATIC AGENT, SEPARATING THE AQUEOUS ALCOHOL SOLUTION FROM UNDISSOLVED SUB-
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) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |