Patent US2424746A successfully refreshed from Google Patents.
US3097145A
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Acid protease and the production thereof
Assignee: Takeda Pharmaceutical Co Ltd
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Filing: 1962-03-30
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Granted: 1963-07-09
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Expires: 1982-03-30
Abstract
No abstract record available.
Inventors
- 👤 Shimazono Hirao
- 👤 Tomoda Katsumi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:55
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/48; C12N9/50; C12N9/58; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A METHOD FOR PRODUCING ACID PROTEASE, WHICH COMPRISES INCUBATING A MEMBER SELECTED FROM HE GROUP CONSISTING OF TRAMETES SANGUINEA (L. EX FR.) LLOYD, TRAMETES CINNABARINA (JACQ.) FR. AND PORIA VAPORARIA (FR. NON PERS.) COOKE IN AN AQUEOUS MEDIUM CONTAINING ASSIMILABLE CARBON SORUCES, DIGESTIBLE NITROGEN SOURCES AND OTHER NUTRIENTS NECESSARY FOR THE GROWTH OF THE MICROORGANISM AT A TEMPERATURE OF FROM 20 TO 35*C. UNDER AEROBIC CONDITIONS UNTIL THE ACID PROTEASE IS SUBSTANTIALLY ACCUMULATED IN THE CULTURE BROTH, AND RECOVERING THE ACCUMULATED ACID PROTEASE FROM THE LIQUID PART OF THE CULTURE BROTH.
Claim 2
Independent Claim
91 words
A METHOD FOR PRODUCING ACID PROTEASE, WHICH COMPRISES INCUBATING A MEMBER SELECTED FROM HE GROUP CONSISTING OF TRAMETES SANGUINEA (L. EX FR.) LLOYD, TRAMETES CINNABARINA (JACQ.) FR. AND PORIA VAPORARIA (FR. NON PERS.) COOKE IN AN AQUEOUS MEDIUM CONTAINING ASSIMILABLE CARBON SORUCES, DIGESTIBLE NITROGEN SOURCES AND OTHER NUTRIENTS NECESSARY FOR THE GROWTH OF THE MICROORGANISM AT A TEMPERATURE OF FROM 20 TO 35*C. UNDER AEROBIC CONDITIONS UNTIL THE ACID PROTEASE IS SUBSTANTIALLY ACCUMULATED IN THE CULTURE BROTH, AND RECOVERING THE ACCUMULATED ACID PROTEASE FROM THE LIQUID PART OF THE CULTURE BROTH.
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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |