US3579631A
Expired / Lapsed
US
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Sterilization of materials containing protein
Assignee: CLARENCE R DREIER JR
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Filing: 1968-05-21
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Granted: 1971-05-18
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Expires: 1988-05-21
Abstract
Abstract A PROCESS FOR STERILIZING HEAT-SENSITIVE MATERIALS IN WHICH THE PROTEIN COAGULATES AT HIGH TEMPERATURES, SAID PROCESS INCLUDING DILUTION OF THE MATERIAL FOLLOWED BY HIGH TEMPERATURE SHORT TIME STERILIZATION THEREOF, WITHOUT SAID PROTEIN COAGULATING.
Inventors
- 👤 Aubrey P Stewart Jr
- 👤 Clarence R Dreier Jr
- 👤 Jim C Gregory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:46
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/40; A23B2/42; A23B2/46; A23B5/00; A23B5/005; A23B5/0055; A23B5/0057; A61; A61K; A61K35/00; A61K35/12; A61K35/14; A61K35/16; A61K38/00; A61L; A61L2/00; A61L2/02; A61L2/04; A61L2103/00; A61L2103/05; A61L2103/09; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/829; Y10S530/83
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |