Patent US3183173A successfully refreshed from Google Patents.
US3183173A
Expired / Lapsed
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Test composition for detecting hydrogen peroxide
Assignee: Bayer Corp
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Filing: 1963-06-10
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Granted: 1965-05-11
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Expires: 1983-06-10
Abstract
No abstract record available.
Inventors
- 👤 Oakes Paul William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:41
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/26; C12Q1/28; C12Q1/54; C12Q1/62; Y; Y10; Y10S; Y10S435/00; Y10S435/805; Y10T; Y10T436/00; Y10T436/14; Y10T436/142222; Y10T436/143333; Y10T436/144444; Y10T436/20; Y10T436/206664
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
96 words
A COLOR FORMING TEST COMPOSITION FOR DETECTING A SUBSTRATE FOR AN ENZYME CONSISTING OF AN ENZYME WHICH CATALYZES THE OXIDATION THEREOF, AN IODIDE SALT SELECTED FROM THE GROUP CONSISTING OF POTASSIUM IODIDE, SODIUM IODIDE AND AMMONIUM IODIDE, A MOLYBDENUM SALT SELECTED FROM THE GROP CONSISTING OF POTASSIUM MOLYBDATE, SODIUM MOLYBDATE AND AMMONIUM MOLYBDATE, AND A POLYMERIC SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF POLYVINYL ALCOHOL AND POLYVINYL PYRROLIDONE AND A BUFFER WHICH IS EFFECTIVE TO MAINTAIN THE PH WITHIN A RANGE IN WHICH SAID ENZYME IS ACTIVE, SAID POLYMRIC SUBSTANCE BEING THE ONLY COLOR INDICATOR PRESENT.
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) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |