US3708397A
Expired / Lapsed
US
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Syrup conversion with immobilized glucose isomerase
Assignee: Baxter International Inc
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Filing: 1969-12-22
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Granted: 1973-01-02
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Expires: 1989-12-22
Abstract
Abstract AN IMMOBILIZED GLUCOSE ISOMERASE ENZYME COMPOSITION HAVING IMPROVED STABILITY TO HEAT AND CAPABLE OF PRODUCING INCREASE CONVERSION OF GLUCOSE TO FRUCTOSE IS PREPARED BY THROUGHLY ADMIXING GLUCOSE ISOMERASE, SUCH AS OBTAINED FROM THE FERMENTED GROWTH PRODUCT OF STREPTOMYCES PHAECHROMOGENES AND LACTOBACILLUS BREVIS, WITH BASIC ANIONIC EXCHANGE CELLULOSE IN AQUEOUS BUFFER SOLUTION AT PH 7-10 AND RECOVERING THE ENZYME COMPLEX FROM THE REACTION MIXTURE.
Inventors
- 👤 T Sipos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:16
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/90; C12N9/92; C12N11/00; C12N11/02; C12N11/10; C12N11/12; C12P; C12P19/00; C12P19/24; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/853; Y10S435/886
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) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |