US2578696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-(2-chloroethyl)-n-piperonyl amines
Assignee: Givaudan Roure Corp
•
Filing: 1949-07-20
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Granted: 1951-12-18
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Expires: 1969-07-20
Abstract
No abstract record available.
Inventors
- 👤 William S Gump
- 👤 Nikawitz Edward Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:26
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/44; C07D317/46; C07D317/48; C07D317/50; C07D317/58
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
5 words
TERTIARY AMINES HAVING THE FORMULA:
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) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |