US3705083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing collagenase
Assignee: Agricultural Biologicals Corp
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Filing: 1966-07-08
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Granted: 1972-12-05
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Expires: 1986-07-08
Abstract
Abstract A NON-FLAGELLATED, NON-NOTILE STRAIN OF CLOXTRIDIUM HISTOLYTICUM (ATTC NO. 21000), WHEN FERMENTED UNDER CONVENTIONAL CONDITIONS FOR THE GROWTH OF CL. HISTOLYTICUM, YIELDS AN ELABORATION PRODUCT CHARACTERIZED BY COLLAGENASE AND PROTEOLYTIC ENZYME ACTIVITY AND INHIBITS THE GROWTH OF MICROBES SUCH AS STAPHYLOCOCCUS AUREUS AND ORGANISMS OF THE GENUS CLOSTRIDIUM. THIS COLLAGENASE MAY BE EMPLOYED IN THE FORM OF A TOPICAL OINTMENT FOR DEBRIDEMENT OF NECROTIC TISSUE OR AS AN INJECTABLE SOLUTION TO FACILITATE INTERNAL SLOUGHING AND READSORPTION OF PHYSIOLOGICALLY ANTAGONISTIC TISSUE.
Inventors
- 👤 Angelo J Chiulli
- 👤 Edwin H Wegman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:00
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0019; A61K9/06; C; C12; C12N; C12N9/00; C12N9/14; C12N9/48; C12N9/50; C12N9/52; A61K38/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/842
Claims Analysis
Total Claims: 0
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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) | 1975-12-05 | 1976-06-05 | 1976-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-05 | 1980-06-05 | 1980-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-05 | 1984-06-05 | 1984-12-05 | $7700.00 | Window Closed / Lapsed |