US3116330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nu-aminophenylethyl-2, 2-diphenyl-alkylamines
Assignee: Hoechst AG
•
Filing: 1959-10-19
•
Granted: 1963-12-31
•
Expires: 1979-10-19
Abstract
No abstract record available.
Inventors
- 👤 Krobs Walter
- 👤 Schmitt Karl
- 👤 Lindner Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:11
CPC Classifications
C; C07; C07C; C07C215/00; C07C215/46; C07C215/48; C07C215/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A MEMBER OF THE GROUP CONSISTING OF SUBSTITUTED PHENYLETHYLAMINES OF THE GENERAL FORMULA
Claim 2
Dependent Claim
13 words
A MEMBER OF THE GROUP CONSISTING OF SUBSTITUTED PHENYLETHYLAMINES OF THE GENERAL 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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |