US3247206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaza-cycloalkane synthesis
Assignee: BASF Corp
•
Filing: 1962-10-05
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Granted: 1966-04-19
•
Expires: 1982-10-05
Abstract
No abstract record available.
Inventors
- 👤 Yost William Lassiter
- 👤 Margerison Richard Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:49
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/75; C07C; C07C255/00; C07D241/00; C07D241/02; C07D241/04; C07D295/00; C07D295/02; C07D295/023; C07D295/027; C07D295/03; C07D295/033; C07D295/16; C07D295/20; C07D295/215; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
PROCESS FOR THE MANUFACTURE OF A DIAZA-CYCLOALKANE COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
11 words
PROCESS FOR THE MANUFACTURE OF A DIAZA-CYCLOALKANE COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US3040029A
Cited
US2605263A
Cited
US2760971A
Cited
US2809196A
Cited
US2927126A
Cited
US3098066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |