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US3560558A
Expired / Lapsed
US
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Hexahydroindane dicarboxylic acid derivatives
Assignee: Shionogi and Co Ltd
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Filing: 1968-10-29
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Granted: 1971-02-02
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Expires: 1988-10-29
Abstract
Abstract 4A-(2-CARBOXYETHYL)-5-OXO-(LA-HYDROGEN-OR LA -HYDROXYL) -7AB-METHYL-3AA-HEXAHYDROINDANE-CARBOXYLIC ACIDS OR LOWER ALKANOIC ACIDS, WHICH CAN BE PREPARED BY ONE-STEP FERMENTATIVE DEGRADATION OF THE BILE ACIDS OR THEIR HOMOLOGUES, ARE USEFUL AS CHOLESTEROL LOWERING AGENTS.
Inventors
- 👤 Shohei Hayakawa
- 👤 Yoshiko Kanematsu
- 👤 Takashi Fujiwara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:37
CPC Classifications
C; C12; C12P; C12P7/00; C12P7/40; C12P7/42; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/843
Claims Analysis
Total Claims: 0
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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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |