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US3784582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-amidino-3-(cyanophenyl)ureas
Assignee: SmithKline Beecham Corp
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Filing: 1970-06-30
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Granted: 1974-01-08
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Expires: 1990-06-30
Abstract
Abstract 1-AMIDINO -3- (SUBSTITUTED-PHENYL)UREA COMPOUNDS OF THE FORMULA 1-(H2-N-C(=NH)-NH-CO-NH-),4-Y4,TRI(Y-)BENZENE AND PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF, WHEREIN Y$ IS HALOGEN OR CYANO AND Y IS HYDROGEN, HALOGEN, METJYL OR CYANO; PROVIDED THAT ONE OF THE SUBSTITUENTS Y$ AND Y''S BYT NOT BOTH IS ALWAYS CYANO, AND THAT NOT MORE THAN THREE OF THE SUBSTITUENTS Y4 AND THE Y''S IS A SUBSTITUENTS OTHER THAN HYDROGEN; AND PROVIDED THAT NOT MORE THAN ONE OF THE SUBSTUTUENTS Y4 AND THE Y''S IS METHYL.
Inventors
- 👤 L Walls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:37
CPC Classifications
C; C07; C07C; C07C279/00; C07C279/20; C07C279/24; C07C279/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |