Patent US2501233A successfully refreshed from Google Patents.
US3832284A
Expired / Lapsed
US
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Method for manufacture of alpha-galactosidase by microorganisms
Assignee: National Institute of Advanced Industrial Science and Technology
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Filing: 1972-03-30
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Granted: 1974-08-27
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Expires: 1992-03-30
Abstract
Abstract MYCELIA HAVING STRONG A-GALACTOSIDASE ACTIVITY AND VERY WEAK INVERTASE ACTIVITY ARE OBTAINED BY CULTURING A MOLD BELONGING TO THE GENUS ABSIDIA IN A CULTURE MEDIUM INCORPORATING THEREIN AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF LACTOSE, MELIBIOSE, RAFFINOSE AND GALACTOSE. WHEN BEET MOLASSES IS TREATED WITH THE SAID MYCELIA, RAFFINOSE CONTAINED IN THE MOLASSES IS DECOMPOSED INTO SUCROSE AND GALACTOSE. THUS, THE YIELD OF SUCROSE CAN BE INCREASED.
Inventors
- 👤 H Suzuki
- 👤 A Kamibayashi
- 👤 H Kobayashi
- 👤 Y Ozawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:50
CPC Classifications
C; C13; C13B; C13B35/00; C13B35/005; C12; C12N; C12N9/00; C12N9/14; C12N9/24; C12N9/2402; C12N9/2465; C12P; C12P19/00; C12P19/14; C13B20/00; C13B20/002; C13K; C13K13/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/912
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-26 | 1978-02-25 | 1978-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-26 | 1982-02-25 | 1982-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-26 | 1986-02-25 | 1986-08-27 | $7700.00 | Window Closed / Lapsed |