Patent US5398689A successfully refreshed from Google Patents.
US3907830A
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Isoflavone derivatives
Assignee: Chinoin Private Co Ltd
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Filing: 1973-06-19
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Granted: 1975-09-23
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Expires: 1993-06-19
Abstract
Abstract An anabolic compound of the formula WHEREIN R1 is halosubstituted, nitrosubstituted or unsubstituted propyl, amyl or benzyl, R2 and R3 are hydrogen, methoxy or nitro and R4 is hydrogen, methyl or carboxy.
Inventors
- 👤 Laszlo Feuer
- 👤 Mihaly Nogradi
- 👤 Agnes Gottsegen
- 👤 Borbala Vermes
- 👤 Janos Streliszky
- 👤 Andreas Wolfner
- 👤 Lorant Farkas
- 👤 Sandor Antus
- 👤 Maria Kovacs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:57
CPC Classifications
C; C07; C07D; C07D311/00; C07D311/02; C07D311/04; C07D311/22; C07D311/26; C07D311/34; C07D311/36; A; A23; A23K; A23K20/00; A23K20/10; A23K20/116; A23K20/121; A23K20/137
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
1 words
7-(4-chlorobenzyloxy)-isoflavone.
Claim 4
Dependent Claim
1 words
7-(4-chlorobenzyloxy)-isoflavone.
Claim 5
Dependent Claim
1 words
7-isopropoxy-4''-nitroisoflavone.
Claim 6
Dependent Claim
1 words
7-isopropoxy-4''-nitroisoflavone.
References Cited (Backward Citations)
US3352754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-22 | 1979-03-24 | 1979-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-22 | 1983-03-24 | 1983-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-22 | 1987-03-24 | 1987-09-23 | $7700.00 | Window Closed / Lapsed |