US3063911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acid-stable digestive enzyme preparation and process of making same
Assignee: Taisho Pharmaceutical Co Ltd
•
Filing: 1961-04-03
•
Granted: 1962-11-13
•
Expires: 1981-04-03
Abstract
No abstract record available.
Inventors
- 👤 Tanaka Ichiro
- 👤 Yanagisawa Takaaki
- 👤 Sawada Jiro
- 👤 Misawa Yutaka
- 👤 Nakayoshi Hiroshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:07
CPC Classifications
C; C12; C12N; C12N9/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/913; Y10S435/918
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
69 words
AN ACID-STABLE DIGESTIVE ASPERGILLUS ORYZAE VAR. MICROSPORUS TPR-18 COMBINED PROTEOLYTIC AND AMYLOLYTIC ENZYME, BEING A POWDER OF GRAYISH TO BROWNISH WHITE COLOR SUBSTANTIALLY FREE FROM ODOR, SOLUBLE IN WATER AND INSOLUBLE IN ALCOHOL, ETHER AND ACETONE, CAPABLE OF DIGESTING MILK CASEIN IN AN AMOUNT OVER 25 TIMES ITS WEIGHT AT BOTH PH 2.7 AND PH 6, AND CAPABLE OF SACCHARIFYING 200 TIMES ITS WEIGHT OF STARCH AT PH 3.9.
References Cited (Backward Citations)
US2848371A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |