Patent US2957872A successfully refreshed from Google Patents.
US2957872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phthalimidines and process for manufacturing same
Assignee: CIBA PHARM PROD Inc
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Filing: 1957-10-21
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Granted: 1960-10-25
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Expires: 1977-10-21
Abstract
No abstract record available.
Inventors
- 👤 Huebner Charles Ferdinand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:58
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/44; C07D209/46
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
10 words
2- (3 - MORPHOLINO -(N) - PROPYL) - 3- BENZYLPHTHALIMIDINE.
Claim 2
Dependent Claim
97 words
A MEMBER OF THE GROUP CONSISTING OF 2-TERTIARY AMINO-LOWER ALKYL-3-R-PHTHALIMIDINE, IN WHICH R REPRESENTS A MEMBER OF THE GROUP CONSISTING OF PHENYL, PHENYLLOWER ALKYL AND THESE RADICALS, IN WHICH THE AROMATIC PORTION IS SUBSTITUTED BY LOWER ALKYL, LOWER ALKOXY AND HALOGEN, AND TERTIARY AMINO REPRESENTS A MEMBER OF THE GROUP CONSISTING OF N,N-DI-LOWER ALKYL-AMINO, N,N-LOWER ALKYLENE-IMINO, MORPHOLINO AND N4-METHYL-PIPERAZINO, AND THESE COMPOUNDS, IN WHICH THE AROMATIC PORTION OF THE PHTHALIMIDINE NUCLEUS IS SUBSTITUTED BY A MEMBER OF THE GROUP CONSISTING OF HALOGEN AND AMINO, AND THERAPEUTICALLY USEFUL ACID ADDITION SALTS AND LOWER ALKYL QUATERNARY AMMONIUM COMPOUNDS THEREOF.
Claim 3
Dependent Claim
90 words
A MEMBER OF THE GROUP CONSISTING OF 2-TERTIARY AMINO-LOWER ALKYL-PHTHALIMIDINE, WHICH CONTAINS IN THE 3-POSITION A SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF PHENYL-LOWER ALKYLIDENE AND PHENYL-LOWER ALKYLIDIENE, IN WHICH THE PHENYL PORTION IS SUBSTITUTED BY LOWER ALKYL, LOWER ALKOXY AND HALOGEN, AND TERTIARY AMINO REPRESENTS A MEMBER OF THE GROUP CONSISTING OF N,N-DI-LOWER ALKYL-AMINO, N,N-LOWER ALKYLENE-IMINO, MORPHOLINO AND N4-METHYL-PIPERAZINO, AND THESE COMPOUNDS, IN WHICH THE AROMATIC PORTION OF THE PHTHALIMIDINE NUCLEUS IS SUBSTITUTED BY A MEMBER OF THE GROUP CONSISTING OF HALOGEN AND AMINO, AND ACID ADDITION SALTS THEREOF.
References Cited (Backward Citations)
US2841591A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |