Patent NL50581C successfully refreshed from Google Patents.
Patent US3042584A successfully refreshed from Google Patents.
US3042584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment and use of enzymes for the hydrolysis of starch
Assignee: Unilever Bestfoods North America
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Filing: 1960-12-22
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Granted: 1962-07-03
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Expires: 1980-12-22
Abstract
No abstract record available.
Inventors
- 👤 Earl R Kooi
- 👤 Clarence F Harjes
- 👤 John S Gilkison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:59
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; Y10S435/815; Y10S435/8215; Y10S435/822; Y10S435/886; Y10S435/911; Y10S435/913; Y10S435/917; Y10S435/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A PROCESS FOR SELECTIVE REMOVAL OF TRANSGLUCOSIDASE ACTIVITY FROM A FUNGAL AMYLASE PREPARATION OBTAINED FROM AN ORGANISM SELECTED FROM THE GROUP CONSISTING OF MEMBERS OF THE ASPERGILLUS GENUS AND MEMBERS OF THE RHIZOPUS GENUS, SAID PREPARATION CONTAINING TRANSGLUCOSIDASE AND GLUCAMYLASE ACTIVITIES, WHICH COMPRISES TREATING SAID AMYLASE PREPARATION IN AQUEOUS MEDIUM WITH A CLAY MINERAL IN AN AMOUNT UP TO 50 GRAMS OF CLAY MINERAL PER 100 UNITS OF GLUCAMYLASE ACTIVITY AND NIOT GREATER THAN THAT WHICH WILL REMOVE 46 PERCENT OF THE GLUCAMYLASE ACTIVITY TO ABSORB THE TRANSGLUCOSIDASE ON THE CLAY MINERAL, SEPARATING THE MEDIUM FROM THE CLAY MINERAL, AND RECOVERING SAID MEDIUM SUBSTANTIALLY FREE FROM TRANSGLUCOSIDASE ACTIVITY, SAID RECOVERED MEDIUM CONTAINING AT LEAST 54 PERCENT OF THE GLUCAMYLASE ACTIVITY OF THE ORIGINAL PREPARATION.
Claim 2
Dependent Claim
124 words
A PROCESS FOR SELECTIVE REMOVAL OF TRANSGLUCOSIDASE ACTIVITY FROM A FUNGAL AMYLASE PREPARATION OBTAINED FROM AN ORGANISM SELECTED FROM THE GROUP CONSISTING OF MEMBERS OF THE ASPERGILLUS GENUS AND MEMBERS OF THE RHIZOPUS GENUS, SAID PREPARATION CONTAINING TRANSGLUCOSIDASE AND GLUCAMYLASE ACTIVITIES, WHICH COMPRISES TREATING SAID AMYLASE PREPARATION IN AQUEOUS MEDIUM WITH A CLAY MINERAL IN AN AMOUNT UP TO 50 GRAMS OF CLAY MINERAL PER 100 UNITS OF GLUCAMYLASE ACTIVITY AND NIOT GREATER THAN THAT WHICH WILL REMOVE 46 PERCENT OF THE GLUCAMYLASE ACTIVITY TO ABSORB THE TRANSGLUCOSIDASE ON THE CLAY MINERAL, SEPARATING THE MEDIUM FROM THE CLAY MINERAL, AND RECOVERING SAID MEDIUM SUBSTANTIALLY FREE FROM TRANSGLUCOSIDASE ACTIVITY, SAID RECOVERED MEDIUM CONTAINING AT LEAST 54 PERCENT OF THE GLUCAMYLASE ACTIVITY OF THE ORIGINAL PREPARATION.
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) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |