US3812013A
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Soluble cellulase enzyme production
Assignee: BIOLOGICAL ENERGY Corp A CORP OF DE
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Filing: 1972-03-01
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Granted: 1974-05-21
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Expires: 1992-03-01
Abstract
Abstract A PROCESS FOR THE PREPARATION OF AN IMPROVED SOLUBLE CELLULASE MATERIAL IS DESCRIBED. OPTIMUM ACTIVITY FOR THIS CELLULASE ENZYME OCCURS OVER A BROADER RANGE OF PH AND AT A HIGHER TEMPERATURE THAN THE CELLULASE PRODUCED BY MESOPHILIC FUNGI.
Inventors
- 👤 W Bellamy
- 👤 A Chakrabarty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:43
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/1205; C02F3/1215; C02F1/00; C02F1/38; C02F1/385; C02F3/34; C02F3/342; C12; C12N; C12N1/00; C12N1/22; C12N9/00; C12N9/14; C12N9/24; C12N9/2402; C12N9/2405; C12N9/2434; C12N9/2437; C12Y; C12Y302/00; C12Y302/01; C12Y302/01004; Y; Y02; Y02W; Y02W10/00; Y02W10/10; Y10; Y10S; Y10S435/00; Y10S435/814; Y10S435/816; Y10S435/818; Y10S435/8215; Y10S435/822; Y10S435/826; Y10S435/911; Y10S435/913; Y10S435/917
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) | 1977-05-20 | 1977-11-19 | 1978-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-20 | 1981-11-19 | 1982-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-20 | 1985-11-19 | 1986-05-21 | $7700.00 | Window Closed / Lapsed |