US2507499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of boron fluoride
Assignee: Phillips Petroleum Co
•
Filing: 1946-09-23
•
Granted: 1950-05-16
•
Expires: 1966-09-23
Abstract
No abstract record available.
Inventors
- 👤 George N Cade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:10
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/06; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
IN THE CONVERSION OF ORGANIC MATERIALS BY MEANS OF A CATALYST CONSISTING ESSENTIALLY OF BORON TRIFLUORIDE AND HYDROGEN FLUORIDE AS THE CATALYTIC COMPONENTS THEREOF WHEREIN AN ACID-SOLUBLE BORON- AND FLUORINE-CONTAINING OIL IS FORMED AS BY-PRODUCT, THE IMPROVEMENT WHICH COMPRISES SEPARATING SAID ACID-SOLUBLE OIL FROM THE BULK OF
Claim 2
Dependent Claim
47 words
IN THE CONVERSION OF ORGANIC MATERIALS BY MEANS OF A CATALYST CONSISTING ESSENTIALLY OF BORON TRIFLUORIDE AND HYDROGEN FLUORIDE AS THE CATALYTIC COMPONENTS THEREOF WHEREIN AN ACID-SOLUBLE BORON- AND FLUORINE-CONTAINING OIL IS FORMED AS BY-PRODUCT, THE IMPROVEMENT WHICH COMPRISES SEPARATING SAID ACID-SOLUBLE OIL FROM THE BULK OF
References Cited (Backward Citations)
US2109340A
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US2135454A
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US2363116A
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US2296370A
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US2339249A
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US2339248A
Cited
US2381027A
Cited
US2405995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-15 | 1953-11-14 | 1954-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-15 | 1957-11-14 | 1958-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-15 | 1961-11-14 | 1962-05-16 | $7700.00 | Window Closed / Lapsed |