US3029282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing phenylphosphonous dichloride
Assignee: Victor Chemical Works
•
Filing: 1959-09-02
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Granted: 1962-04-10
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Expires: 1979-09-02
Abstract
No abstract record available.
Inventors
- 👤 Toy Arthur Dock Fon
- 👤 Robert S Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:52
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/50; C07F9/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A PROCESS FOR PRODUCING PHENYLPHOSHONOUS DICHLORIDE WICH COMPRISES REACTING AT LEAST ABOUT 350* C. AN ADMIXTURE OF PHOSPHORUS TRICHLORIDE AND BENZENE IN THE PRESENCE OF MONOCHLOROBENZENE.
Claim 2
Dependent Claim
26 words
A PROCESS FOR PRODUCING PHENYLPHOSHONOUS DICHLORIDE WICH COMPRISES REACTING AT LEAST ABOUT 350* C. AN ADMIXTURE OF PHOSPHORUS TRICHLORIDE AND BENZENE IN THE PRESENCE OF MONOCHLOROBENZENE.
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) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |