US2784199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endoxy isoindoline derivatives and salts thereof
Assignee: GESCHICKTER FUND FOR MEDICAL RESEARCH Inc
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Filing: 1954-12-13
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Granted: 1957-03-05
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Expires: 1974-12-13
Abstract
No abstract record available.
Inventors
- 👤 Charles H Grogan
- 👤 Leonard M Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:02
CPC Classifications
A; A61; A61K; A61K31/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) N-SUBSTITUTED ENDOXY PERHYDROISOINDOLINES WHEREIN THE ENDOXY RING IS SELECTED FROM THE GROUP CONSISTING OF UNSUBSTITUTED AND METHYL SUBSTITUTED RINGS, AND WHEREIN THE N-SUBSTITUENT IS SELECTED FROM THE GROUP CONSISTING OF DI-LOWER ALKYL AMINO-LOWER ANLKYLENE GROUPS, THE MORPHOLINO-LOWER ALKYLENE GROUPS, THE PIPERIDINO-LOWER ALKYLENE GROUPS, AND THE PYRROLIDINO-LOWER ALKYLENE GROUPS AND (2) NON-TOXIC ACID ADDITION AND DI-QUATERNARY SALTS OF (1).
Claim 2
Dependent Claim
67 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) N-SUBSTITUTED ENDOXY PERHYDROISOINDOLINES WHEREIN THE ENDOXY RING IS SELECTED FROM THE GROUP CONSISTING OF UNSUBSTITUTED AND METHYL SUBSTITUTED RINGS, AND WHEREIN THE N-SUBSTITUENT IS SELECTED FROM THE GROUP CONSISTING OF DI-LOWER ALKYL AMINO-LOWER ANLKYLENE GROUPS, THE MORPHOLINO-LOWER ALKYLENE GROUPS, THE PIPERIDINO-LOWER ALKYLENE GROUPS, AND THE PYRROLIDINO-LOWER ALKYLENE GROUPS AND (2) NON-TOXIC ACID ADDITION AND DI-QUATERNARY SALTS OF (1).
References Cited (Backward Citations)
US2524145A
Cited
US2524136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |