US3347646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preservation of kerosine during distribution and storage
Assignee: Standard Oil Co
•
Filing: 1967-01-16
•
Granted: 1967-10-17
•
Expires: 1987-01-16
Abstract
No abstract record available.
Inventors
- 👤 Gray Richard J De
- 👤 Lawrence N Killian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:03
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301; C10L1/303
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A COMPOSITION FOR CONTROLLING THE GROWTH IN HYDROCARBONS BOILING IN THE KEROSINE RANGE OF LYOPHILIC HYDROCARBON-INGESTING MICROBES INDIGENOUS TO WATER AND PRESENT IN WATER COMPRISING IN COMBINATION A MIXTURE OF ALKYLENE GLYCOL BORATES, ONE OF WHICH HAS A PARTITION COEFFICIENT BELOW 1000, AND THE OTHER OF WHICH HAS A PARTITION COEFFICIENT ABOVE ABOUT 50, IN AMOUNTS TO GIVE A WEIGHTED AVERAGE PARTITION COEFFICITENT WITHIN THE RANGE FROM ABOUT 180 TO ABOUT 260.
Claim 2
Dependent Claim
72 words
A COMPOSITION FOR CONTROLLING THE GROWTH IN HYDROCARBONS BOILING IN THE KEROSINE RANGE OF LYOPHILIC HYDROCARBON-INGESTING MICROBES INDIGENOUS TO WATER AND PRESENT IN WATER COMPRISING IN COMBINATION A MIXTURE OF ALKYLENE GLYCOL BORATES, ONE OF WHICH HAS A PARTITION COEFFICIENT BELOW 1000, AND THE OTHER OF WHICH HAS A PARTITION COEFFICIENT ABOVE ABOUT 50, IN AMOUNTS TO GIVE A WEIGHTED AVERAGE PARTITION COEFFICITENT WITHIN THE RANGE FROM ABOUT 180 TO ABOUT 260.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |