US2767069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anhydrides of heterocyclic boron compounds
Assignee: Standard Oil Co
•
Filing: 1954-09-16
•
Granted: 1956-10-16
•
Expires: 1974-09-16
Abstract
No abstract record available.
Inventors
- 👤 Philip S Fay
- 👤 Lorraine S Szabo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:43
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/04; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301; C10L1/303
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
THE METHOD OF INTRODUCING A BORON COMPOUND INTO GASOLINE AND REMOVING WATER THEREFROM, WHICH COMPRISES ADDING TO A WATER-WASHED AND WATER-CONTAINING GASOLINE AN ANHYDRIDE HAVING THE FOLLOWING GENERAL FORMULA:
Claim 2
Independent Claim
29 words
THE METHOD OF INTRODUCING A BORON COMPOUND INTO GASOLINE AND REMOVING WATER THEREFROM, WHICH COMPRISES ADDING TO A WATER-WASHED AND WATER-CONTAINING GASOLINE AN ANHYDRIDE HAVING THE FOLLOWING GENERAL FORMULA:
References Cited (Backward Citations)
US2151432A
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US2255515A
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US2257194A
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US2312208A
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US2642453A
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US2497521A
Cited
GB722537A
Cited
US2692191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |