Patent US3721712A successfully refreshed from Google Patents.
US3721712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aminoalkoxy-or aminomethyl-triarylalkenones
Assignee: Richardson Vicks Inc
•
Filing: 1971-03-25
•
Granted: 1973-03-20
•
Expires: 1991-03-25
Abstract
Abstract NOVEL COMPOUNDS OF THE FORMULA: ((R2,R5-PHENYL)(R3-PHENYL)-C=C(-CO-R1)-),R4-BENZENE WHEREIN R1 IS LOWER ALKYL; EACH OF R2, R3, AND R4 IS HYDROGEN, LOWER ALKYL, HALOGEN, HYDROXY, LOWER ALKOXY, DILOWERALKYLAMINOLOWERALKOXY OR TRIFLUOROMETHYL; AND R5 IS HYDROGEN, LOWER ALKYL, OR DILOWERALKYLAMINOMETHYL, PROVIDED THAT WHEN R5 OR DILOWERALKYLAMINOMETHYL R2 IS HYDROXY IN THE PARA-POSITION OF SAID BENZENE RING AND THE DILOWERALKYLAMINOMETHYL IS ORTHO TO SAID HYDROXY GROUP; AND PAHRMACOLOGICALLY ACCEPTABLE, NON-TOXIC ACID ADDITION SALTS OF THE BASIC COMPOUNDS. THESE COMPOUNDS POSSESS ESTROGENIC, ANTI-ESTROGENIC AND ANTI-INFLAMMATORY ACTIVITES.
Inventors
- 👤 F Palopoli
- 👤 H Benson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:43
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/20; C07C49/255; C07C45/00; C07C45/42; C07C49/213; C07C49/217; C07C49/223; C07C49/227; C07C49/233; C07C49/235; C07C49/24; C07C49/245; C07C49/248
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1976-03-19 | 1976-09-18 | 1977-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-19 | 1980-09-18 | 1981-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-19 | 1984-09-18 | 1985-03-20 | $7700.00 | Window Closed / Lapsed |