US3883500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of insulin, analogs and derivatives thereof
Assignee: Hoechst AG
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Filing: 1973-10-29
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Granted: 1975-05-13
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Expires: 1993-10-29
Abstract
Abstract D R A W I N G A method for making insulin and certain derivatives thereof from a compound of the formula (I) D R A W I N G wherein X is hydrogen or an S-protective group and n is an integer from two to four, which comprises cleaving any Sprotective groups present and dehydrogenating -SH groups to form S-S bonds to form a compound of the formula (II) BRIDGE BY TREATING THE LATTER COMPOUND WITH AN ACID. Compounds of the formula II. and then eliminating the
Inventors
- 👤 Rolf Geiger
- 👤 Georg Jager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:39
CPC Classifications
C; C07; C07K; C07K14/00; C07K14/435; C07K14/575; C07K14/62; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/55; Y10; Y10S; Y10S930/00; Y10S930/01; Y10S930/26
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
10 words
A METHOD FOR MAKING AN INSULIN COMPOUND OF THE FORMULA
Claim 2
Independent Claim
10 words
A METHOD FOR MAKING AN INSULIN COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
6 words
An insulin compound of the formula
Claim 4
Dependent Claim
6 words
An insulin compound of the formula
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) | 1978-05-12 | 1978-11-11 | 1979-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-12 | 1982-11-11 | 1983-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-12 | 1986-11-11 | 1987-05-13 | $7700.00 | Window Closed / Lapsed |