Patent US4447001A successfully refreshed from Google Patents.
US3418212A
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Indicator composition for microorganisms and test method embodying same
Assignee: Standard Oil Co
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Filing: 1965-07-28
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Granted: 1968-12-24
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Expires: 1985-07-28
Abstract
No abstract record available.
Inventors
- 👤 William O Fitzgibbons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:52
CPC Classifications
C; C12; C12N; C12N1/00; A; A01; A01N; A01N43/00; A01N43/713; C02; C02F; C02F1/00; C02F1/50; C12Q; C12Q1/00; C12Q1/02; C12Q1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A STERILE COMPOSITION SUITABLE FOR FIELD TESTING FOR THE PRESENCE OR ABSENCE OF VIABLE MICOORGANISMS IN HYDROCARBON FUELS AND WATGER-BOTTOMS ASSOCIATED THEREWITH, COMPRISING AN AQUEOUS SOLUTION OF NUTRIENT SALTS, A WATER SOLUBLE LACTATE, A NORMALLY LIQUID SUBSTNATIALLY OLEFIN-FREE HYDROCARBON AND A TRIPHENYL TETRAZOLIUM CHLORIDE INDICATOR.
Claim 2
Dependent Claim
45 words
A STERILE COMPOSITION SUITABLE FOR FIELD TESTING FOR THE PRESENCE OR ABSENCE OF VIABLE MICOORGANISMS IN HYDROCARBON FUELS AND WATGER-BOTTOMS ASSOCIATED THEREWITH, COMPRISING AN AQUEOUS SOLUTION OF NUTRIENT SALTS, A WATER SOLUBLE LACTATE, A NORMALLY LIQUID SUBSTNATIALLY OLEFIN-FREE HYDROCARBON AND A TRIPHENYL TETRAZOLIUM CHLORIDE INDICATOR.
References Cited (Backward Citations)
US3126325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |