Patent US3859394A successfully refreshed from Google Patents.
US3859394A
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Haloneopentyl phosphorodiamidate
Assignee: EIDP Inc
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Filing: 1973-06-25
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Granted: 1975-01-07
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Expires: 1993-06-25
Abstract
Abstract WHEREIN Hal is Cl or Br, X is H, Cl, Br or CH3, Y is O or S and each of R1, R2, R3 and R4 independently is H, CH2OH, CH2OCH3 or CH2OC2H5. Haloneopentylphosphorodiamidate, useful as a flame retardant for cellulosic materials, of the formula
Inventors
- 👤 Patrick Michael Burke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:53
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/292; D06M13/295; C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/22; C07F9/24; C07F9/2404; C07F9/2408; C07F9/2454; C07F9/2458; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08L; C08L1/00; C08L1/02; C08L61/00; C08L61/20; C08L61/26; C08L61/28
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
4 words
COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
4 words
COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
22 words
The compound of claim 1 wherein Hal and X are Br, Y is O and all of the R groups are H.
Claim 4
Dependent Claim
25 words
The compound of claim 1 wherein Hal and X are Br, Y is O, R1 and R2 are H and R3 and R4 are CH2OH.
Claim 5
Dependent Claim
22 words
The compound of claim 1 wherein Hal and X are Br, Y is O and all of the R groups are CH2OH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-06 | 1978-07-08 | 1979-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-06 | 1982-07-08 | 1983-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-06 | 1986-07-08 | 1987-01-07 | $7700.00 | Window Closed / Lapsed |