US3293143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of bromelain preparations
Assignee: Castle and Cooke Inc
•
Filing: 1964-08-10
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Granted: 1966-12-20
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Expires: 1984-08-10
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Heinicke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:56
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/96
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
AN ENZYMIC PREPARATION CHARACTERIZED BY HIGH SPECIFIC ACTIVITY AND STABILITY AGAINST DETERIORATION COMPRISING THE REACTION PRODUCT OBTAINED BY RECOVERING STEM BROMELAIN FROM ENZYME-CONTAINING JUICE EXPRESSED FROM CRUSHED PLANTS OF THE FAMILY BROMELIACEAE AND ADMIXING THE ENZYME-CONTAINING MATERIAL WITH AN IONIZABLE STABILIZING AGENT WHICH FURNISHES BENZOATE ION FOR STABILIZING SAID ENZYME.
Claim 2
Dependent Claim
50 words
AN ENZYMIC PREPARATION CHARACTERIZED BY HIGH SPECIFIC ACTIVITY AND STABILITY AGAINST DETERIORATION COMPRISING THE REACTION PRODUCT OBTAINED BY RECOVERING STEM BROMELAIN FROM ENZYME-CONTAINING JUICE EXPRESSED FROM CRUSHED PLANTS OF THE FAMILY BROMELIACEAE AND ADMIXING THE ENZYME-CONTAINING MATERIAL WITH AN IONIZABLE STABILIZING AGENT WHICH FURNISHES BENZOATE ION FOR STABILIZING SAID ENZYME.
References Cited (Backward Citations)
US3002891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |