US3253035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tris(p-n-monosubstituted aminophenyl)-amine compounds
Assignee: Uniroyal Inc
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Filing: 1962-05-28
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Granted: 1966-05-24
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Expires: 1982-05-28
Abstract
No abstract record available.
Inventors
- 👤 Norman K Sundholm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:10
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A TRIS(P-N-MONOSUBSTITUTED AMINOPHENYL) AMINE IN WHICH THE SUBSTITUENT IS SELECTED FROM THE GROUP CONSISTING OF SECONDARY ALKYL RADICALS HAVING 3 TO 6 CARBON ATOMS AND CYCLOALKYL RADICALS HAVING 5 TO 6 CARBON ATOMS.
Claim 2
Dependent Claim
33 words
A TRIS(P-N-MONOSUBSTITUTED AMINOPHENYL) AMINE IN WHICH THE SUBSTITUENT IS SELECTED FROM THE GROUP CONSISTING OF SECONDARY ALKYL RADICALS HAVING 3 TO 6 CARBON ATOMS AND CYCLOALKYL RADICALS HAVING 5 TO 6 CARBON ATOMS.
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) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |