Patent US3282953A successfully refreshed from Google Patents.
US3282953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phthalamidine compounds
Assignee: Wander AG
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Filing: 1962-11-20
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Granted: 1966-11-01
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Expires: 1982-11-20
Abstract
No abstract record available.
Inventors
- 👤 Hirt Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:46
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/04; C07D233/20; C07D233/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A MEMBER OF THE GROUP CONSISTING OF A POLYBASIC COMPOUND OF THE FORMULA I: ((A,R1-PHENYL)-N=C(-NH-R5)-)2,R2-BENZENE WHEREIN A DENOTES A MEMBER OF THE GROUP CONSISTING OF R"-NH-C(=N-R'')- AND R"-NH-C(=N-R'')-NHAND WHEREIN, R'' AND R" REPRESENTING, INTERCHANGEABLY, MEMBERS OF THE GROUP CONSISTING OF HYDROGEN, ALKYL, ALKENYL, HYDROXALKYL AND ALKOXYALKYL WITH EACH CARBON CONTAINING GROUP HAVING NOT MORE THAN 5 CARBON ATOMS, AND WHEN R'' AND R" ARE TAKEN TOGETHER, ETHYLENE, PROPYLENE, AND ETHYLENE AND PROPYLENE WHEREIN AT LEAST ONE HYDROGEN ATOM THEREOF IS REPLACED BY LOWER ALKYL AND THEREBY ADDING A TOTAL OF LESS THAN 5 CARBON ATOMS TO SAID ETHYLENE AND PROPYLENE; R1 DENOTES A MEMBER OF THE GROUP CONSISTING OF HYDROGEN, HALOGEN, LOWER ALKYL AND LOWER ALKOXY; R2 DENOTES A MEMBER OF THE GROUP CONSISTING OF HYDROGEN, HALOGEN, NITRO, LOWER ALKYL AND LOWER ALKOXY; ANR R3 DENOTES A MEMBER OF THE GROUP CONSISTING OF HYDROGEN AND ALKYL WITH 1 TO 5 CARBON ATOMS; AND THERAPEUTICALLY USEFUL ACID ADDITON SALTS THEREOF.
Claim 2
Dependent Claim
159 words
A MEMBER OF THE GROUP CONSISTING OF A POLYBASIC COMPOUND OF THE FORMULA I: ((A,R1-PHENYL)-N=C(-NH-R5)-)2,R2-BENZENE WHEREIN A DENOTES A MEMBER OF THE GROUP CONSISTING OF R"-NH-C(=N-R'')- AND R"-NH-C(=N-R'')-NHAND WHEREIN, R'' AND R" REPRESENTING, INTERCHANGEABLY, MEMBERS OF THE GROUP CONSISTING OF HYDROGEN, ALKYL, ALKENYL, HYDROXALKYL AND ALKOXYALKYL WITH EACH CARBON CONTAINING GROUP HAVING NOT MORE THAN 5 CARBON ATOMS, AND WHEN R'' AND R" ARE TAKEN TOGETHER, ETHYLENE, PROPYLENE, AND ETHYLENE AND PROPYLENE WHEREIN AT LEAST ONE HYDROGEN ATOM THEREOF IS REPLACED BY LOWER ALKYL AND THEREBY ADDING A TOTAL OF LESS THAN 5 CARBON ATOMS TO SAID ETHYLENE AND PROPYLENE; R1 DENOTES A MEMBER OF THE GROUP CONSISTING OF HYDROGEN, HALOGEN, LOWER ALKYL AND LOWER ALKOXY; R2 DENOTES A MEMBER OF THE GROUP CONSISTING OF HYDROGEN, HALOGEN, NITRO, LOWER ALKYL AND LOWER ALKOXY; ANR R3 DENOTES A MEMBER OF THE GROUP CONSISTING OF HYDROGEN AND ALKYL WITH 1 TO 5 CARBON ATOMS; AND THERAPEUTICALLY USEFUL ACID ADDITON SALTS THEREOF.
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |