US3000787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heparinoid anticholestrolemic factor
Assignee: Crinos Industria Farmacobiologica SpA
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Filing: 1958-11-04
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Granted: 1961-09-19
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Expires: 1978-11-04
Abstract
No abstract record available.
Inventors
- 👤 Bianchini Pietro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:06
CPC Classifications
A; A61; A61L; A61L27/00; A61L27/36; A61K; A61K31/00; A61K31/70; A61K31/715; A61K31/726; A61K31/727
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A METHOD FOR THE PREPARATION OF A HEPARINOIDIC FACTOR WHICH COMPRISES THE STEPS OF COMMINUTING A MAMMALIAN DUODENUM SUSPENDING THE COMMINUTED MATERIAL IN WATER AT PH OF APPROXIMATELY 8, HEATING SAID SUSPENDED MATERIAL FOR ABOUT 15 MINUTES AT A TEMPERATURE OF FROM ABOUT 70-90*C., REMOVING THE SOLID RESIDUE AFTER HEATING, DIALYSING THE FILTRATE AND PRECIPITATING SAID HEPARINOIDIC FACTOR IN PARTIALLY PURIFIED FORM FROM THE DIALYSED FILTRATE AT A PH OF ABOUT 5 BY THE ADDITION OF A SUITABLE PRECIPITANT THEREFOR.
Claim 2
Independent Claim
80 words
A METHOD FOR THE PREPARATION OF A HEPARINOIDIC FACTOR WHICH COMPRISES THE STEPS OF COMMINUTING A MAMMALIAN DUODENUM SUSPENDING THE COMMINUTED MATERIAL IN WATER AT PH OF APPROXIMATELY 8, HEATING SAID SUSPENDED MATERIAL FOR ABOUT 15 MINUTES AT A TEMPERATURE OF FROM ABOUT 70-90*C., REMOVING THE SOLID RESIDUE AFTER HEATING, DIALYSING THE FILTRATE AND PRECIPITATING SAID HEPARINOIDIC FACTOR IN PARTIALLY PURIFIED FORM FROM THE DIALYSED FILTRATE AT A PH OF ABOUT 5 BY THE ADDITION OF A SUITABLE PRECIPITANT THEREFOR.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |