US3799985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N,n-bis(2-hydroxyethyl)-3,4,5-trimethylaniline
Assignee: ERICKSON W CO
•
Filing: 1971-11-15
•
Granted: 1974-03-26
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Expires: 1991-11-15
Abstract
Abstract N,N-BIS (2-HYDROXYETHYL)-3,4,5 TRIMETHYL ANILINE HAS UNIQUE UTILITY AS AN ACCELERATOR FOR FREE RADICAL POLYMERIZATIONS.
Inventors
- 👤 W Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:46
CPC Classifications
C; C08; C08F; C08F4/00
Claims Analysis
Total Claims: 0
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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) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |