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US3586697A
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Novel n-(3,5-dichlorophenyl) cyclic imide derivatives
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1968-11-26
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Granted: 1971-06-22
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Expires: 1988-11-26
Abstract
Abstract A CYCLIC IMIDE OF THE FORMULA: (3,5-DI(CL-)PHENYL)-N<(-CO-A-CO-) WHEREIN A IS -CH=CH- OR -CH2-CH2-, I.E. N-(3, 5 - DICHLOROPHENYL)MALEIMIEDE OR N-(3,5-DICHLOROPHENYL) SUCCINIMIDE, WHICH IS PREPARED BY REACTING 3,5-DICHLOROANILINE WITH MALEIC OR SUCCINIC ANHYDRIDE WHILE HEATING AT A TEMPERATURE FROM 170 TO 200*C., THE CYCLIC IMIDE BEING USEFUL AS AN ANTI-MICROBIAL AGENT.
Inventors
- 👤 Toshiaki Ozaki
- 👤 Akira Fujinami
- 👤 Fukashi Horiuchi
- 👤 Sigeo Yamamoto
- 👤 Katsuji Nodera
- 👤 Tadashi Ooishi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:10
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; C07D207/44; C07D207/444; C07D207/448; C07D207/452
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |