US2836602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of z-amino-s-
Assignee: —
•
Filing: —
•
Granted: 1958-05-27
•
Expires: 1975-05-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:41
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
PROCESS FOR THE PRODUCTION OF 2-AMINO-5-IMINOPYRROLENINE SALTS, WHICH COMPRISES REACTING A MEMBER SELECTED FROM THE GROUP CONSISTING OF MALEIC AND FUMARIC DINITRILES AND MIXTURES THEREOF, OF THE GENERAL FORMULA
Claim 2
Dependent Claim
29 words
PROCESS FOR THE PRODUCTION OF 2-AMINO-5-IMINOPYRROLENINE SALTS, WHICH COMPRISES REACTING A MEMBER SELECTED FROM THE GROUP CONSISTING OF MALEIC AND FUMARIC DINITRILES AND MIXTURES THEREOF, OF THE GENERAL FORMULA
References Cited (Backward Citations)
GB698049A
Cited
FR2744913A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |