US3467704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear phosphonitriles
Assignee: EIDP Inc
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Filing: 1966-08-24
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Granted: 1969-09-16
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Expires: 1986-08-24
Abstract
No abstract record available.
Inventors
- 👤 Edward F Moran
- 👤 Donald P Reider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:32
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/535; C07F9/5355; C07F9/5357
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
206 words
A PROCESS FOR THE PREPARATION OF A LINEAR PHOSPHONITRILE WHICH COMPRISES: (A) CHLORINATING WITH CHLORINE GAS A TRISUBSTITUTED PHOSPHINE HAVING THE FORMULA (R)(R1)(R2)P WHEREIN THE R''S REPRESENT A PHENYL OR SUBSTITUTED PHENYL RADICAL OF THE FORMULA (C6H5-N)YN WHERE Y REPRESENTS ALKYL OF FROM 1 TO 6 CARBON ATOMS, ALKOXY OF FROM 1 TO 6 CARBON ATOMS, PERFLURORALKYL HAVING 1 TO 4 CARBON ATOMS, PERFLUOROALKOXY HAVING 1 TO 4 CARBON ATOMS, FLUORO, NITRO, CYANO AND N HAS A VALUE OF FROM 1 TO 5 AND SUBSWQUENTLY AMMONIATING WITH AMMONIA THE CHLORINATED PHOSPHINE TO PRODUCE A TRISUBSTITUTED PHOSPHINIMIDE CHLORIDE OF THE FORMULA R(R1)(R2)PNH2CL, (B) REACTING SAID PHOSPHINIMIDE CHLORIDE WITH A PHOSPHINE SELECTED FROM THE GROUP CONSISTING OF A DISUBSTITUTED TRIVALENT AND PENTAVALENT CHLOROPHOSPHINE OF THE FORMULA (R3)(R4)PCLM WHEREIN THE R''S REPRESENT A PHENYL OR SUBSTITUTED PHENYL RADICAL OF THE FORMULA (C6H5-N)YN WHERE Y REPRESENTS ALKYL OF FROM 1 TO 6 CARBON ATOMS, ALKOXY OF FROM 1 TO 6 CARBON ATOMS, PERFLUOROALKYL HAVING 1 TO 4 CARBON ATOMS, FLUORO, NITRO, CYANO AND N HAS A VALUE OF FROM 1 TO 5, AND M EQUALS 1 OR 3, IN THE PRESENCE OF A LEWIS BASE, (C) AMMONIATING WITH AMMONIA THE RESULTING PRODUCTS TO PRODUCE A LINEAR PHOSPHONITRILE OF THE FORMULA
Claim 2
Dependent Claim
206 words
A PROCESS FOR THE PREPARATION OF A LINEAR PHOSPHONITRILE WHICH COMPRISES: (A) CHLORINATING WITH CHLORINE GAS A TRISUBSTITUTED PHOSPHINE HAVING THE FORMULA (R)(R1)(R2)P WHEREIN THE R''S REPRESENT A PHENYL OR SUBSTITUTED PHENYL RADICAL OF THE FORMULA (C6H5-N)YN WHERE Y REPRESENTS ALKYL OF FROM 1 TO 6 CARBON ATOMS, ALKOXY OF FROM 1 TO 6 CARBON ATOMS, PERFLURORALKYL HAVING 1 TO 4 CARBON ATOMS, PERFLUOROALKOXY HAVING 1 TO 4 CARBON ATOMS, FLUORO, NITRO, CYANO AND N HAS A VALUE OF FROM 1 TO 5 AND SUBSWQUENTLY AMMONIATING WITH AMMONIA THE CHLORINATED PHOSPHINE TO PRODUCE A TRISUBSTITUTED PHOSPHINIMIDE CHLORIDE OF THE FORMULA R(R1)(R2)PNH2CL, (B) REACTING SAID PHOSPHINIMIDE CHLORIDE WITH A PHOSPHINE SELECTED FROM THE GROUP CONSISTING OF A DISUBSTITUTED TRIVALENT AND PENTAVALENT CHLOROPHOSPHINE OF THE FORMULA (R3)(R4)PCLM WHEREIN THE R''S REPRESENT A PHENYL OR SUBSTITUTED PHENYL RADICAL OF THE FORMULA (C6H5-N)YN WHERE Y REPRESENTS ALKYL OF FROM 1 TO 6 CARBON ATOMS, ALKOXY OF FROM 1 TO 6 CARBON ATOMS, PERFLUOROALKYL HAVING 1 TO 4 CARBON ATOMS, FLUORO, NITRO, CYANO AND N HAS A VALUE OF FROM 1 TO 5, AND M EQUALS 1 OR 3, IN THE PRESENCE OF A LEWIS BASE, (C) AMMONIATING WITH AMMONIA THE RESULTING PRODUCTS TO PRODUCE A LINEAR PHOSPHONITRILE OF THE FORMULA
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) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |