US3019171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Activated enzyme compositions
Assignee: Ethicon Inc
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Filing: 1957-11-25
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Granted: 1962-01-30
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Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 Bloch Alfred
- 👤 Ralph A Messing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:02
CPC Classifications
A; A61; A61K; A61K38/00; A61K38/16; A61K38/43; A61K38/46; A61K38/48; A61K38/4873
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
AN ACTIVATED ENZYME COMPOSITION ADJUSTED TO A PH OF FROM ABOUT 3.0 TO ABOUT 5.0 COMPRISING A PLANT PROTEOLYTIC ENZYME SELECTED FROM THE GROUP CONSISTING OF PINGUINAIN, PAPAIN, FICIN, BROMELIN, BROMELAIN AND ASCLEPAIN AND, IN NON-TOXIC CONCENTRATION, AT LEAST ONE METAL ION SELECTED FROM THE GROUP CONSISTING OF CALCIUM, MAGNESIUM, MANGANESE AND COBALT IN THE FORM OF THEIR NON-TOXIC SALTS.
Claim 2
Dependent Claim
60 words
AN ACTIVATED ENZYME COMPOSITION ADJUSTED TO A PH OF FROM ABOUT 3.0 TO ABOUT 5.0 COMPRISING A PLANT PROTEOLYTIC ENZYME SELECTED FROM THE GROUP CONSISTING OF PINGUINAIN, PAPAIN, FICIN, BROMELIN, BROMELAIN AND ASCLEPAIN AND, IN NON-TOXIC CONCENTRATION, AT LEAST ONE METAL ION SELECTED FROM THE GROUP CONSISTING OF CALCIUM, MAGNESIUM, MANGANESE AND COBALT IN THE FORM OF THEIR NON-TOXIC SALTS.
References Cited (Backward Citations)
US2527305A
Cited
US2978385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |