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US2981736A
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Iminodibenzyl derivatives
Assignee: Rhone Poulenc SA
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Filing: 1959-06-24
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Granted: 1961-04-25
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Expires: 1979-06-24
Abstract
No abstract record available.
Inventors
- 👤 Gailliot Paul
- 👤 Gaudechon Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:42
CPC Classifications
C; C07; C07D; C07D223/00; C07D223/14; C07D223/18; C07D223/22; C07D223/24; C07D223/28; D; D01; D01D; D01D7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A MEMBER OF THE CLASS CONSISTING OF IMINODIBENZYL COMPOUNDS OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
13 words
A MEMBER OF THE CLASS CONSISTING OF IMINODIBENZYL COMPOUNDS OF THE GENERAL FORMULA:
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) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |