Patent US3135742A successfully refreshed from Google Patents.
US3135742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1, 3-diaryl and 1, 3, 5-triaryl-pyrazoline derivatives
Assignee: Bayer AG
•
Filing: 1962-05-15
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Granted: 1964-06-02
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Expires: 1982-05-15
Abstract
No abstract record available.
Inventors
- 👤 Wagner Annemarie
- 👤 Schlachter Anton
- 👤 Marzolph Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:28
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/06; D; D06; D06L; D06L4/00; D06L4/60; D06L4/657; D06L4/664
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
7 words
A FLUORESCENT PYRAZOLINE COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
7 words
A FLUORESCENT PYRAZOLINE COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
1 words
1-P-SULFONAMIDOPHENYL-3-P-CHLOROPHENYL-PYRAZOLINE.
Claim 4
Dependent Claim
1 words
1-P-SULFONAMIDOPHENYL-3-P-CHLOROPHENYL-PYRAZOLINE.
References Cited (Backward Citations)
FR1019449A
Cited
US2976295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |