US2926194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphine borine compounds and their preparation
Assignee: American Potash and Chemical Corp
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Filing: 1957-06-17
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Granted: 1960-02-23
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Expires: 1977-06-17
Abstract
No abstract record available.
Inventors
- 👤 Anton B Burg
- 👤 Ross I Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:12
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/50; C07F9/5045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A PHOSPHINE BORINE HAVING THE GENERAL FORMULA RR''HP:BH3 WHEREIN R AND R'' ARE SELECTED FROM THE CLASS CONSISTING OF ALKYL RADICALS HAVING LESS THAN 13 CARBON ATOMS, LOWER CYCLOALKYL, PHENYL, LOWER ALKYL-SUBSTITUTED PHENYL, LOWER ALKENYL, BIPHENYL, NAPHTHYL AND LOWER CYCLOALKENYL, AT LEAST ONE OF SAID R AND R'' BEING SELECTED FROM THE CLASS CONSISTING OF PHENYL, LOWER ALKYLSUBSTITUTED PHENYL, LOWER CYCLOALKYL, LOWER CYCLOALKENYL, NIPHENYL AND NAPHTHYL.
Claim 2
Dependent Claim
66 words
A PHOSPHINE BORINE HAVING THE GENERAL FORMULA RR''HP:BH3 WHEREIN R AND R'' ARE SELECTED FROM THE CLASS CONSISTING OF ALKYL RADICALS HAVING LESS THAN 13 CARBON ATOMS, LOWER CYCLOALKYL, PHENYL, LOWER ALKYL-SUBSTITUTED PHENYL, LOWER ALKENYL, BIPHENYL, NAPHTHYL AND LOWER CYCLOALKENYL, AT LEAST ONE OF SAID R AND R'' BEING SELECTED FROM THE CLASS CONSISTING OF PHENYL, LOWER ALKYLSUBSTITUTED PHENYL, LOWER CYCLOALKYL, LOWER CYCLOALKENYL, NIPHENYL AND NAPHTHYL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |