US3306823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Somatotropic hormone
Assignee: Choay SA
•
Filing: 1963-01-18
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Granted: 1967-02-28
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Expires: 1983-01-18
Abstract
No abstract record available.
Inventors
- 👤 Choay Jean
- 👤 Thely Maurice
- 👤 Vairel Edmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:44
CPC Classifications
A; A61; A61K; A61K35/00; A61K35/12; A61K35/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE PROCESS FOR THE PREPARATION OF A STABLE SOMATOTROPIC HORMONE HAVING ACTIVITY ON HUMAN BEINGS COMPRISING SUBJECTING ANIMAL SOMATRTROPIC HORMONE HAVING NO ACTIVITY ON HUMAN BEINGS TO THE ENZYMATIC ACTION OF ALPHA-CHYMOTRYPSIN AND PERMANENTLY ARRESTING THE ENZYME ACTION BY ADDING TO THE REACTION MIXTURE A NON-TOXIC ALPHACHYMOTRYPSIN ENZYME INHIBITOR OF VEGETABLE ORIGIN AT SUCH TIME THAT THE HORMONE HAS ACTIVITY ON HUMAN BEINGS.
Claim 2
Dependent Claim
63 words
THE PROCESS FOR THE PREPARATION OF A STABLE SOMATOTROPIC HORMONE HAVING ACTIVITY ON HUMAN BEINGS COMPRISING SUBJECTING ANIMAL SOMATRTROPIC HORMONE HAVING NO ACTIVITY ON HUMAN BEINGS TO THE ENZYMATIC ACTION OF ALPHA-CHYMOTRYPSIN AND PERMANENTLY ARRESTING THE ENZYME ACTION BY ADDING TO THE REACTION MIXTURE A NON-TOXIC ALPHACHYMOTRYPSIN ENZYME INHIBITOR OF VEGETABLE ORIGIN AT SUCH TIME THAT THE HORMONE HAS ACTIVITY ON HUMAN BEINGS.
References Cited (Backward Citations)
US2734015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |