US3515642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preparing a stabilized enzyme composition
Assignee: Takeda Pharmaceutical Co Ltd
•
Filing: 1966-12-06
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Granted: 1970-06-02
•
Expires: 1986-12-06
Abstract
No abstract record available.
Inventors
- 👤 Hiroyuki Mima
- 👤 Seizo Hisada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:53
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/96; A; A61; A61K; A61K9/00; A61K9/20; A61K9/2004; A61K9/2013; A61K9/2018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3072532A
Cited
US3344028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |