US4632980B1
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US4632980B1 - - Google Patents
Assignee: Medizone International Inc
•
Filing: 1985-04-03
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Granted: 1990-06-26
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Expires: 2005-04-03
Abstract
Abstract Blood and proteinaceous blood products employed for their physiological and/or immunological properties are free of viable enveloped viruses by treatment with low levels of ozone, levels at which substantially all of the physiological and/or immunological activity is retained.
Inventors
- 👤 C Zee Yuan
- 👤 C Bolton David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:16
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/16; A61L2/20; A61L2/202; A61L2103/00; A61L2103/05; A61M; A61M1/00; A61M1/14; A61M1/16; A61M1/1698; A61M1/32; A61M2202/00; A61M2202/02; A61M2202/0216; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/829; Y10S530/83
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) | 1993-06-25 | 1993-12-25 | 1994-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-06-25 | 1997-12-25 | 1998-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-06-25 | 2001-12-25 | 2002-06-26 | $7700.00 | Window Closed / Lapsed |