US3271435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis[di(2-substituted ethyl) aminomethyl] benzene compounds
Assignee: GAF Chemicals Corp
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Filing: 1964-09-14
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Granted: 1966-09-06
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Expires: 1984-09-14
Abstract
No abstract record available.
Inventors
- 👤 Randall David Irwin
- 👤 Schmidt-Nickels Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:40
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A COMPOUND OF THE FORMULA 1,3-BIS((X-CH2-CH2-)2-N-CH2-),2-Y,5-Z-BENZENE WHEREIN X IS SELECTED FROM THE GROUP CONSISTING OF HYDROXY, CHLORO, BROMO, SULFATO, PHOSPHATO, AND BENZENESULFONYLOXY, Y IS SELECTED FROM THE GROUP CONSISTING OF H, LOWER ALKYL AND LOWER ALKOXY, AND Z IS SELECTED FROM THE GROUP CONSISTING OF -NO2, AND -NH2.
Claim 2
Dependent Claim
48 words
A COMPOUND OF THE FORMULA 1,3-BIS((X-CH2-CH2-)2-N-CH2-),2-Y,5-Z-BENZENE WHEREIN X IS SELECTED FROM THE GROUP CONSISTING OF HYDROXY, CHLORO, BROMO, SULFATO, PHOSPHATO, AND BENZENESULFONYLOXY, Y IS SELECTED FROM THE GROUP CONSISTING OF H, LOWER ALKYL AND LOWER ALKOXY, AND Z IS SELECTED FROM THE GROUP CONSISTING OF -NO2, AND -NH2.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |