US3278394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and composition for diagnosing glucose
Assignee: Bayer Corp
•
Filing: 1963-07-22
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Granted: 1966-10-11
•
Expires: 1983-07-22
Abstract
No abstract record available.
Inventors
- 👤 Edward K Harvill
- 👤 Ku Edmond Chiu-Choon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:39
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/54
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
88 words
A METHOD FOR ACCURATELY AND QUANTITATIVELY DETECTING GLUCOSE IN SOLUTION WHICH COMPRISES ADDING AN AQUEOUS SOLUTION OF A TEST COMPOSITION CONSISTING OF GLUCOSE OXIDASE, PEROXIDASE, A COLOR INDICATOR WHICH IS OXIDIZED IN THE PRESENCE OF A PERIOXIDE AND PEROXIDASE TO PRODUCE AN OBSERVABLE COLOR CHANGE, A BUFFER FOR EFFECTING A PH OF FROM ABOUT 4.2 TO ABOUT 4.8 IN SAID SOLUTION AND SODIUM ALGINATE TO SAID GLUCOSE SOLUTION AND THEREAFTER DETERMINING THE AMOUNT OF COLOR FORMED IN SAID SOLUTION WHICH IS INDICATIVE OF THE CONCENTRATION OF GLUCOSE PERSENT.
References Cited (Backward Citations)
US2848308A
Cited
US2912309A
Cited
US3042496A
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US3092465A
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US3123443A
Cited
US3066081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |