US2568472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil compositions containing amine salts of acid compounds of boric acid and hydroxy carboxylic acids
Assignee: Gulf Research and Development Co
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Filing: 1950-01-12
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Granted: 1951-09-18
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Expires: 1970-01-12
Abstract
No abstract record available.
Inventors
- 👤 Charles E Trautman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:07
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2227/00; C10M2227/06; C10M2227/061; C10M2227/062; C10N; C10N2040/00; C10N2040/14; C10N2040/16; C10N2040/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
COMPOSITION OF MATTER COMPRISING A MAJOR PROPORTION OF A HYDROCARBON OIL AND A MINOR PROPORTION OF AN AMINE SALT OF AN ACID COMPOUND OF BORIC ACID AND A HYDROXY CARBOXYLIC ACID IN WHICH THE HYDROXYL GROUP AND THE CARBOXYLIC ACID GROUP ARE SEPARATED BY NO MORE THAN TWO CARBON ATOMS, SAID AMINE SALT BEING PRESENT IN AN AMOUNT RANGING FROM ABOUT 0.001 PER CENT BY WEIGHT TO THE LIMIT OF ITS SOLUBILITY IN SAID OIL.
Claim 2
Dependent Claim
75 words
COMPOSITION OF MATTER COMPRISING A MAJOR PROPORTION OF A HYDROCARBON OIL AND A MINOR PROPORTION OF AN AMINE SALT OF AN ACID COMPOUND OF BORIC ACID AND A HYDROXY CARBOXYLIC ACID IN WHICH THE HYDROXYL GROUP AND THE CARBOXYLIC ACID GROUP ARE SEPARATED BY NO MORE THAN TWO CARBON ATOMS, SAID AMINE SALT BEING PRESENT IN AN AMOUNT RANGING FROM ABOUT 0.001 PER CENT BY WEIGHT TO THE LIMIT OF ITS SOLUBILITY IN SAID OIL.
References Cited (Backward Citations)
US2312208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |