US3591574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tri-n-phenylglycyl derivatives of insulin
Assignee: Wyeth LLC
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Filing: 1968-05-29
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Granted: 1971-07-06
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Expires: 1988-05-29
Abstract
Abstract ACYL-SUBSTITUTED-INSULINS, PARTICULARLY PHENYL- AND SUBSTITUTED-PEHNYLGLYCYL-INSULINS, ESPECIALLY N-PHENYLGLYCYLINSULIN, N-P-METHYLPHENYLGLYCYL-INSULIN AND N-P-CHLOROPHENYLGLYCYL-INSULIN (1), ARE PREPARED BY TREATING INSULIN WITH AN ACYLATING AGENT, ESPECIALLY THE CORRESPONDING NCHLOROFORMYL-N-PHENYL OR SUBSTITUTED-PHENYLGLYCIN (II). THE NEW COMPOUNDS (I) HAVE HYPOGLYCEMIC ACTIVITY AND ARE USEFUL TO TREAT DIABETES, ESPECIALLY IN SUBJECTS WHO ARE INSULIN FAST.
Inventors
- 👤 Richard L Fenichel
- 👤 Norman H Grant
- 👤 Harvey E Alburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:47
CPC Classifications
C; C07; C07K; C07K14/00; C07K14/435; C07K14/575; C07K14/62; C07K14/625; C07K1/00; C07K1/06; C07K1/061; C07K1/063
Claims Analysis
Total Claims: 0
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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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |