US3264186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the purification of growth hormone
Assignee: Pharmacia and Upjohn Co
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Filing: 1964-02-26
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Granted: 1966-08-02
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Expires: 1984-02-26
Abstract
No abstract record available.
Inventors
- 👤 Alan J Parcells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:01
CPC Classifications
A; A61; A61K; A61K38/00; A61K38/16; A61K38/17; A61K38/22; A61K38/27
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN A PROCESS OF PREPARING GROWTH HORMONE THE STEPS OF REACTING A SOMATOTROPHIC FACTOR OF MAMMALIAN PITUITARY WITH FROM ABOUT 2.5 TO ABOUT 10 PARTS BY WEIGHT OF CYANOGEN BROMIDE IN AQUEOUS SOLUTION AT A PH OF FROM ABOUT 1 TO ABOUT 3 FOR FROM ABOUT 1/2 TO ABOUT 16 HOURS AT A TEMPERATURE OF FROM ABOUT 20* TO ABOUT 30*C. AND RECOVERING THE GROWTH HORMONE FROM THE REACTION MIXTURE.
Claim 2
Dependent Claim
70 words
IN A PROCESS OF PREPARING GROWTH HORMONE THE STEPS OF REACTING A SOMATOTROPHIC FACTOR OF MAMMALIAN PITUITARY WITH FROM ABOUT 2.5 TO ABOUT 10 PARTS BY WEIGHT OF CYANOGEN BROMIDE IN AQUEOUS SOLUTION AT A PH OF FROM ABOUT 1 TO ABOUT 3 FOR FROM ABOUT 1/2 TO ABOUT 16 HOURS AT A TEMPERATURE OF FROM ABOUT 20* TO ABOUT 30*C. AND RECOVERING THE GROWTH HORMONE FROM THE REACTION MIXTURE.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |