US3892824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
S-{107 -({107 -aminoalkylamino)alkyl dihydrogen phosphorothioates
Assignee: Southern Research Institute
•
Filing: 1968-12-16
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Granted: 1975-07-01
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Expires: 1988-12-16
Abstract
Abstract Antiradiation agents of the formula RHN(CnH2n) NH(CnH2n) SPO3H2 wherein R is hydrogen or an alkyl group and each n is from 2 to 6, and hydrates or alkali metal salts thereof.
Inventors
- 👤 James R Piper
- 👤 Thomas P Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:07
CPC Classifications
A; A61; A61Q; A61Q19/00; A61Q19/04; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/55; C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/1651
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
38 words
COMPOUNDS OF THE FORMULA RHN(CNH2N)NH(CNH2N)SPO3H2 WHEREIN R IS HYDROGEN OR AN ALKYL GROUP CONTAINING FROM 1 TO 7 CARBON ATOMS AND EACH N HAS A VALUE OF FROM 2 TO 6, AND HYDRATES OR ALKALI METAL SALTS THEREOF.
Claim 2
Dependent Claim
38 words
COMPOUNDS OF THE FORMULA RHN(CNH2N)NH(CNH2N)SPO3H2 WHEREIN R IS HYDROGEN OR AN ALKYL GROUP CONTAINING FROM 1 TO 7 CARBON ATOMS AND EACH N HAS A VALUE OF FROM 2 TO 6, AND HYDRATES OR ALKALI METAL SALTS THEREOF.
Claim 3
Dependent Claim
4 words
S-2-(3-Aminopropylamino)ethyl dihydrogen phosphorothioate hydrate.
Claim 4
Dependent Claim
4 words
S-2-(3-Aminopropylamino)ethyl dihydrogen phosphorothioate hydrate.
Claim 5
Dependent Claim
4 words
S-3-(3-Aminopropylamino)propyl dihydrogen phosphorothioate hydrate.
Claim 6
Dependent Claim
4 words
S-3-(3-Aminopropylamino)propyl dihydrogen phosphorothioate hydrate.
Claim 7
Dependent Claim
4 words
S-2-(3-Methylaminopropylamino)ethyl dihydrogen phosphorothioate hydrate.
Claim 8
Dependent Claim
4 words
S-2-(3-Methylaminopropylamino)ethyl dihydrogen phosphorothioate hydrate.
Claim 9
Dependent Claim
4 words
S-2-(3-Ethylaminopropylamino)ethyl dihydrogen phosphorothioate hydrate.
Claim 10
Dependent Claim
4 words
S-2-(3-Ethylaminopropylamino)ethyl dihydrogen phosphorothioate hydrate.
References Cited (Backward Citations)
US3124508A
Cited
US2411527A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-06-30 | 1978-12-30 | 1979-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-30 | 1982-12-30 | 1983-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-30 | 1986-12-30 | 1987-07-01 | $7700.00 | Window Closed / Lapsed |