US3322756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-aminoalkyl-3-hydrocarbon quinazolones-(4)
Assignee: Hoechst AG
•
Filing: 1964-05-14
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Granted: 1967-05-30
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Expires: 1984-05-14
Abstract
No abstract record available.
Inventors
- 👤 Ruschig Heinrich
- 👤 Hilmer Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:03
CPC Classifications
C; C07; C07D; C07D403/00; C07D403/02; C07D403/06; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/495; A61K31/505; C07D239/00; C07D239/70; C07D239/72; C07D239/86; C07D239/88; C07D239/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
2-MORPHOLINOMETHYL-3-METHYL-7-CHLORQUINAZOLINE(4).
Claim 2
Dependent Claim
6 words
A QUINAZOLONE COMPOUND OF THE FORMULA
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) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |