US2882275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-p-nitrophenyl-2-azidoacetylaminopropane derivatives
Assignee: Bayer AG
•
Filing: 1957-03-05
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Granted: 1959-04-14
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Expires: 1977-03-05
Abstract
No abstract record available.
Inventors
- 👤 Meiser Werner
- 👤 Domagk Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:28
CPC Classifications
C; C07; C07C; C07C247/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
46 words
A COMPOUND SELECTED FORM THE GROUP CONSISTING OF D-(-)-THREO-1-P-NITROPHENYL-2 - AZIDOACETYLAMINO - PROPANE-1,3-DIOL, ITS RACERME DL-THREO-1-P-NITROPHENYL-2AZIDOACETYL-AMINO-PROPANE-1,3-DIOL, ESTERS OF SAID DIOLS ESTERIFIED IN THE 3-POSITION WITH ALKANOIC ACIDS HAVING FROM 2 TO 18 CARBON ATOMS IN THEIR MOLECULE, AND CYCLIC DERIVATIVES OF SAID DIOLS OF THE FORMULA
Claim 2
Dependent Claim
46 words
A COMPOUND SELECTED FORM THE GROUP CONSISTING OF D-(-)-THREO-1-P-NITROPHENYL-2 - AZIDOACETYLAMINO - PROPANE-1,3-DIOL, ITS RACERME DL-THREO-1-P-NITROPHENYL-2AZIDOACETYL-AMINO-PROPANE-1,3-DIOL, ESTERS OF SAID DIOLS ESTERIFIED IN THE 3-POSITION WITH ALKANOIC ACIDS HAVING FROM 2 TO 18 CARBON ATOMS IN THEIR MOLECULE, AND CYCLIC DERIVATIVES OF SAID DIOLS OF THE FORMULA
Claim 3
Dependent Claim
3 words
D-(-)-THREO-1-1-P-NITROPHENYL-2 - AZIDOACETYLAMINO3-NICOTILNOYLOXYPROPANE-1-O1.
Claim 4
Dependent Claim
3 words
D-(-)-THREO-1-1-P-NITROPHENYL-2 - AZIDOACETYLAMINO3-NICOTILNOYLOXYPROPANE-1-O1.
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) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |