US3303102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of dextrose
Assignee: Unilever Bestfoods North America
•
Filing: 1964-08-31
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Granted: 1967-02-07
•
Expires: 1984-08-31
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Armbruster
- 👤 Robert L Bruner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:54
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/24; C12N9/2402; C12N9/2405; C12N9/2408; C12N9/2411; C12N9/2428; Y; Y10; Y10S; Y10S435/00; Y10S435/814
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A PROCESS FOR THE SELECTIVE REDUCTION OF TRANSGLUCOSIDASE ACTIVITY OF A FUNGAL AMYLASE PREPARATION POSSESSING TRANGSLUCOSIDASE, GLUCAMYLASE, AND ALPHA-AMYLASE ACTIVITIES, CONSISTING ESSENTIALLY OF THE SINGLE STEP OF TREATING SAID AMYLASE PREPARATION IN AN AQUEOUS MEDIUM WITH ACID TO OBTAIN A PH BETWEEN ABOUT 1 AND ABOUT 3 FOR A PERIOD OF TIME NOT EXCEEDING ABOUT 5 HOURS, TO INACTIVATE AT LEAST 40% OF THE TRANSGLUCOSIDASE ENZYME WHILE SIMULTANEOUSLY INACTIVATING LESS THAN 25% OF THE GLUCAMYLASE AND ALPHA-AMYLASE ENZYMES PRESENT.
Claim 2
Dependent Claim
79 words
A PROCESS FOR THE SELECTIVE REDUCTION OF TRANSGLUCOSIDASE ACTIVITY OF A FUNGAL AMYLASE PREPARATION POSSESSING TRANGSLUCOSIDASE, GLUCAMYLASE, AND ALPHA-AMYLASE ACTIVITIES, CONSISTING ESSENTIALLY OF THE SINGLE STEP OF TREATING SAID AMYLASE PREPARATION IN AN AQUEOUS MEDIUM WITH ACID TO OBTAIN A PH BETWEEN ABOUT 1 AND ABOUT 3 FOR A PERIOD OF TIME NOT EXCEEDING ABOUT 5 HOURS, TO INACTIVATE AT LEAST 40% OF THE TRANSGLUCOSIDASE ENZYME WHILE SIMULTANEOUSLY INACTIVATING LESS THAN 25% OF THE GLUCAMYLASE AND ALPHA-AMYLASE ENZYMES PRESENT.
References Cited (Backward Citations)
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Cited
US3047471A
Cited
US3101302A
Cited
US3042584A
Cited
US3067108A
Cited
US3108928A
Cited
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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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |