Patent US1316255A successfully refreshed from Google Patents.
Patent US3225095A successfully refreshed from Google Patents.
US3225095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-aryl-substituted-propan-(1)-ones and -ols of arylaminoalkanols and salts thereof
Assignee: Evonik Operations GmbH
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Filing: 1963-03-28
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Granted: 1965-12-21
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Expires: 1983-03-28
Abstract
No abstract record available.
Inventors
- 👤 Thiele Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:50
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/13; A61K31/135; C; C07; C07C; C07C215/00; C07C215/02; C07C215/22; C07C215/28; C07C215/30; C07C69/00; C07C69/34; C08; C08F; C08F10/00; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/06; C07C2603/10; C07C2603/12; C07C2603/18; C07C2603/22; C07C2603/24; C07C2603/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF 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) | 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 |