US2680058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preservation of petroleum in storage
Assignee: Texaco Development Corp
•
Filing: 1948-04-27
•
Granted: 1954-06-01
•
Expires: 1968-04-27
Abstract
No abstract record available.
Inventors
- 👤 Rhett G Harris
- 👤 Raymond J Strawinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:16
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/12; C10L1/1291
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN THE STORAGE OF PETROLEUM SUSCEPTIBLE TO MICROBIAL ACTION OVER BOTTOM WATER LAYERS, THE IMPROVEMENT WHICH COMPRISES PRESERVING SAID SUBSTANCES AGAINST DISCOLORATION, OXIDATION, METABOLISM AND LIKE DETERIORATION, EFFECTED BY MICROORGANISMS IN THE WATER LAYER BY MAINTAINING SAID WATER LAYER IN THE ALKALINE RANGE AT A PH OF AT LEAST 8.5 AND MAINTAINING SAID WATER LAYER CHARGED WITH A SUBSTANCE CAPABLE OF BEING IONIZED THEREIN TO PRODUCE A TOXIC BORON-CONTAINING ANION.
Claim 2
Dependent Claim
70 words
IN THE STORAGE OF PETROLEUM SUSCEPTIBLE TO MICROBIAL ACTION OVER BOTTOM WATER LAYERS, THE IMPROVEMENT WHICH COMPRISES PRESERVING SAID SUBSTANCES AGAINST DISCOLORATION, OXIDATION, METABOLISM AND LIKE DETERIORATION, EFFECTED BY MICROORGANISMS IN THE WATER LAYER BY MAINTAINING SAID WATER LAYER IN THE ALKALINE RANGE AT A PH OF AT LEAST 8.5 AND MAINTAINING SAID WATER LAYER CHARGED WITH A SUBSTANCE CAPABLE OF BEING IONIZED THEREIN TO PRODUCE A TOXIC BORON-CONTAINING ANION.
References Cited (Backward Citations)
US372861A
Cited
US629411A
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US2296523A
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US2137727A
Cited
US2141049A
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US2119240A
Cited
US2457959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |