Patent US3225098A successfully refreshed from Google Patents.
US3225098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-substituted phenylalkylamines
Assignee: Hoechst AG
•
Filing: 1962-07-17
•
Granted: 1965-12-21
•
Expires: 1982-07-17
Abstract
No abstract record available.
Inventors
- 👤 Krohs Walter
- 👤 Ther Leopold
- 👤 Vogel Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:22
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/68; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
THE COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF (1) PHENYLALKYLAMINES OF THE GENERAL FORMULA I
Claim 2
Dependent Claim
15 words
THE COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF (1) PHENYLALKYLAMINES OF THE GENERAL FORMULA I
References Cited (Backward Citations)
CA488303A
Cited
US2590079A
Cited
US2597247A
Cited
US2742397A
Cited
US2884455A
Cited
US3036954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |