Patent US2516332A successfully refreshed from Google Patents.
US2516332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis of tryptophane and related compounds
Assignee: General Mills Inc
•
Filing: 1948-07-03
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Granted: 1950-07-25
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Expires: 1968-07-03
Abstract
No abstract record available.
Inventors
- 👤 Owen A Moe
- 👤 Donald T Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:43
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/10; C07D209/18; C07D209/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
PROCESS OF PRODUCING COMPOUNDS HAVING THE FORMULA
Claim 2
Dependent Claim
7 words
PROCESS OF PRODUCING COMPOUNDS HAVING THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |