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US3822285A
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US
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9-(ypsilon-aminopropyl)-3-aminocarbazole
Assignee: Roche Diagnostics GmbH
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Filing: 1973-01-24
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Granted: 1974-07-02
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Expires: 1993-01-24
Abstract
Abstract 9 -(Y - AMINOPROPYL) - 3 - AMINOCARBAZOLE, WHEN INCORPORATED INTO INDICATOR COMPOSITIONS ALSO COMPRISING OXIDATION INDICATORS SUCH AS O-TOLIDINE FOR THE ENZYMATIC DETECTION OF GLUCOSE, RESULTS IN OUTSTANDINLY STABLE INDICATOR COMPOSITIONS AND NOT ADVERSELY EFFECTED BY NORMALLY INTERFERING COMPONENTS IN THE TEST SAMPLE.
Inventors
- 👤 W Werner
- 👤 P Vogel
- 👤 H Tiedemann
- 👤 W Guthlein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:28
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/56; C07D209/80; C07D209/82; C07D209/88; C12; C12Q; C12Q1/00; C12Q1/54
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) | 1977-07-01 | 1977-12-31 | 1978-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-01 | 1981-12-31 | 1982-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-01 | 1985-12-31 | 1986-07-02 | $7700.00 | Window Closed / Lapsed |