US3141832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of cultivating papaya plants and for recovering proteolytic enzymes from papaya plants
Assignee: Individual
•
Filing: 1960-01-07
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Granted: 1964-07-21
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Expires: 1980-01-07
Abstract
No abstract record available.
Inventors
- 👤 Everette M Burdick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:22
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/48; C12N9/50; C12N9/63; Y; Y10; Y10S; Y10S435/00; Y10S435/814; Y10S435/816
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
A METHOD OF TREATING PAPAYA PLANTS TO RECOVER PROTEOLYTIC ENZYMES COMPRISING THE STEPS OF, TREATING THE PLANTS WITH AN EXTRACTION SOLUTION, PRESSING THE TREATED PLANTS TO OBTAIN A LIQUID FROM THE PLANTS, ADJUSTING THE PH OF THE LIQUID OF 4.0-4.5, HEATING THE LIQUID TO BETWEEN 40*-55*C. AND DIGESTING THE HEATED LIQUID UNTIL A COAGULATE IS FORMED THEREIN, SEPARATING THE LIQUID FROM THE COAGULATE, AND TREATING THE LIQUID TO SEPARATE THE PROTEOLYTIC ENZYMES THEREFROM.
References Cited (Backward Citations)
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |