US3062804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Peptide synthesis and intermediates therefor
Assignee: STWB Inc
•
Filing: 1957-03-08
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Granted: 1962-11-06
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Expires: 1977-03-08
Abstract
No abstract record available.
Inventors
- 👤 Noel F Albertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:47
CPC Classifications
C; C07; C07K; C07K1/00; C07K1/06; C07K1/061; C07K1/064; C07K1/063
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
29 words
A COMPOUND OF THE GROUP CONSISTING OF AMINEMASKED PEPTIDES AND LOWER ALKYL AND BENZYL ESTERS THEREOF, WHEREIN AN ALPHA-AMINO GROUP OF SAID COMPOUND CONTAINS A SUBSTITUENT TERTIARY BUTOXYCARBONYL RADICAL.
References Cited (Backward Citations)
US2705705A
Cited
US2683728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |