US2631162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of reacting alpha, alphapolyhalogenated alkanals and organo-phosphorus compounds and products resulting therefrom
Assignee: Uniroyal Inc
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Filing: 1949-09-13
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Granted: 1953-03-10
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Expires: 1969-09-13
Abstract
No abstract record available.
Inventors
- 👤 Elbert C Ladd
- 👤 Merlin P Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:08
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
88 words
A PHOSPHONO DERIVATIVE OF AN ALPHA, ALPHAPOLYHALOGENATED ALKANAL, THE HALOGEN CONTENT OF SAID ALPHA, ALPHA-POLYHALOGENATE ALKANAL BEING SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE, SAID DERIVATIVE HAVING IN PLACE OF ONE OF THE HALOGEN ATOMS OF SAID ALPHA, ALPHAPOLYHALOGENATED ALKANAL A RR''P(O)- GROUP WHEREIN R AND R'' ARE SELECTED FROM THE GROUP CONSISTING OF ALKOXY, CHLOROALKOXY, AND CHLOROARYLOXY RADICALS, THE CARBON ATOM BOUND TO OXYGEN IN SAID RADICALS BEING SELECTED FROM THE GROUP CONSISTING OF PRIMARY AND SECONDARY CARBON ATOMS WHEN PART OF AN ALIPHATIC CHAIN.
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) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |