US2844510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphoric acid derivatives of 1-phenyl-2, 3-dimethyl-4-amino-5-pyrazolone
Assignee: Schenley Industries Inc
•
Filing: 1956-12-04
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Granted: 1958-07-22
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Expires: 1976-12-04
Abstract
No abstract record available.
Inventors
- 👤 Lorenz Walter
- 👤 Henecka Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:47
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/645; C07F9/6503; C07F9/65031
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
20 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 1-PHENYL-2,3-DIMETHYL-4-AMINO-5-PYRAZOLONEN-PHOSPHORIC ACID BIS-DILOWER ALKYL AMIDES AND 1-PHENYL2,3-DIMETHYL-4-AMINO-5-PYRAZOLONE-N-PHOSPHORIC ACID ETHYLESTER DILOWER ALKYL AMIDES.
Claim 2
Dependent Claim
20 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 1-PHENYL-2,3-DIMETHYL-4-AMINO-5-PYRAZOLONEN-PHOSPHORIC ACID BIS-DILOWER ALKYL AMIDES AND 1-PHENYL2,3-DIMETHYL-4-AMINO-5-PYRAZOLONE-N-PHOSPHORIC ACID ETHYLESTER DILOWER ALKYL AMIDES.
Claim 3
Dependent Claim
29 words
AS A CHEMOTHERAPEUTICAL AGENT A MIXTURE OF AMIDOPYRINE AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 1-PHENYL-2,3-DIMETHYL-4-AMINO-5-PYRAZOLONE-NPHOSPHORIC ACID BIS-DILOWER ALKYL AMIDES AND 1-PHENYL2,3-DIMETHYL-4-AMINO-5-PYRAZOLONE-N-PHOSPHORIC ACID ETHYLESTER DILOWER ALKYL AMIDES.
Claim 4
Dependent Claim
29 words
AS A CHEMOTHERAPEUTICAL AGENT A MIXTURE OF AMIDOPYRINE AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 1-PHENYL-2,3-DIMETHYL-4-AMINO-5-PYRAZOLONE-NPHOSPHORIC ACID BIS-DILOWER ALKYL AMIDES AND 1-PHENYL2,3-DIMETHYL-4-AMINO-5-PYRAZOLONE-N-PHOSPHORIC ACID ETHYLESTER DILOWER ALKYL AMIDES.
References Cited (Backward Citations)
US2662894A
Cited
US2744912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |