US3073839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel process for preparing 3-aminoisoxazole
Assignee: Shionogi and Co Ltd
•
Filing: 1959-09-14
•
Granted: 1963-01-15
•
Expires: 1979-09-14
Abstract
No abstract record available.
Inventors
- 👤 Kano Hideo
- 👤 Kikkawa Ikuo
- 👤 Makisumi Yasuo
- 👤 Takahashi Shiro
- 👤 Ogata Masaru
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:52
CPC Classifications
C; C07; C07D; C07D261/00; C07D261/02; C07D261/06; C07D261/10; C07D261/18; C07D261/14; C07D261/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
9 words
IN A PROCESS FOR PREPARING 3-AMINOISOXAZOLE 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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |