US2676906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lipase preparations
Assignee: United States Department of Agriculture
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Filing: 1951-12-17
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Granted: 1954-04-27
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Expires: 1971-12-17
Abstract
No abstract record available.
Inventors
- 👤 Rose William Gordon
- 👤 Balls Arnold Kent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:33
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/16; C12N9/18; C12N9/20; Y; Y10; Y10S; Y10S435/00; Y10S435/814
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A PROCESS FOR PREPARING A LIPASE PRODUCT OF HIGH LIPOLYTIC ACTIVITY WHICH COMPRISES GRINDING CASTOR BEANS IN WATER, AGING THE RESULTING GROUND MATERIAL FOR AT LEAST SEVERAL HOURS, ADJUSTING THE AGED GROUND MATERIAL TO A PH IN THE RANGE OF 4 TO 5, THEN CETRIFUGING IT TO SEPARATE A LIPASE CREAM WHICH EXHIBITS A HIGH LIPOLYTIC ACTIVITY.
Claim 2
Dependent Claim
57 words
A PROCESS FOR PREPARING A LIPASE PRODUCT OF HIGH LIPOLYTIC ACTIVITY WHICH COMPRISES GRINDING CASTOR BEANS IN WATER, AGING THE RESULTING GROUND MATERIAL FOR AT LEAST SEVERAL HOURS, ADJUSTING THE AGED GROUND MATERIAL TO A PH IN THE RANGE OF 4 TO 5, THEN CETRIFUGING IT TO SEPARATE A LIPASE CREAM WHICH EXHIBITS A HIGH LIPOLYTIC ACTIVITY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |