US3622632A
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NOVEL 2-ARYL-1,3-INDANDIONES AND 2-ARYL-2,3-DIHYDROBENZ {8 f{9 {0 INDENE-1,3-DIONES
Assignee: Pfizer Inc
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Filing: 1968-08-29
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Granted: 1971-11-23
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Expires: 1988-08-29
Abstract
Abstract Novel 2-aryl-1,3-indandiones and 2-aryl-2,3-dihydrobenz (f) indene-1,3-diones and their use in lowering the blood lipid level in mammals.
Inventors
- 👤 Joseph G Lombardino
- 👤 Gerald F Holland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:39
CPC Classifications
C; C07; C07C; C07C309/00; C07C205/00; C07C205/45; C07C317/00; C07C49/00; C07C49/587; C07C49/657; C07C49/665; C07C49/675; C07C49/687; C07C49/697; C07C49/703; C07C49/747; C07C49/753; C07C49/755; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/06; C07C2603/10; C07C2603/12; C07C2603/16
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
1 words
2-(2''-naphthyl)-5-bromo-1,3-indandione.
Claim 2
Dependent Claim
1 words
2-(3''-methylphenyl)-5-trifluoromethyl-1,3-indandione.
Claim 3
Dependent Claim
1 words
2-(2''-naphthyl)-5-trifluoromethyl-1,3-indandione.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-22 | 1975-05-24 | 1975-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-22 | 1979-05-24 | 1979-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-22 | 1983-05-24 | 1983-11-23 | $7700.00 | Window Closed / Lapsed |