Patent US4933627A successfully refreshed from Google Patents.
US2833764A
Expired / Lapsed
US
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O-methyl-l-tyrosyl amides and their preparation
Assignee: Wyeth Holdings LLC
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Filing: 1954-11-18
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Granted: 1958-05-06
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Expires: 1974-11-18
Abstract
No abstract record available.
Inventors
- 👤 Baker Bernard Randall
- 👤 Kissman Henry Marcell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:01
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/18; C07D295/182; C07D295/185
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
12 words
COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF THOSE HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
12 words
COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF THOSE HAVING THE GENERAL FORMULA:
Claim 3
Dependent Claim
10 words
THE NEW COMPOUND O -METHYL - L - TYROSINE MORPHOLIDE.
Claim 4
Dependent Claim
10 words
THE NEW COMPOUND O -METHYL - L - TYROSINE MORPHOLIDE.
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) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |