Patent US3080725A successfully refreshed from Google Patents.
US3080725A
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Method and apparatus for controlled rate cooling and warming of biological substances
Assignee: Union Carbide Corp
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Filing: 1960-08-11
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Granted: 1963-03-12
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Expires: 1980-08-11
Abstract
No abstract record available.
Inventors
- 👤 Clement W Cowley
- 👤 Arthur P Rinfret
- 👤 Joseph A Sawdye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:27
CPC Classifications
A; A01; A01N; A01N1/00; A01N1/10; A01N1/12; F; F25; F25D; F25D3/00; F25D3/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
A METHOD FOR THERMALLY TREATING BIOLOGICAL SUBSTANCE COMPRISING PROVIDING SAID SUBSTANCE IN A THERMAL TREATING ZONE; PROVIDING A GAS STREAM HAVING A TEMPERATURE DIFFERENT THAN SAID SUBSTANCE AND CONTACTING SAID THERMAL TREATING ZONE WITH SAID GAS STREAM IN HEAT EXCHANGE RELATIONSHIP WITH SAID SUBSTANCE; CONTINUOUSLY SENSING THE TEMPERATURE DIFFERENTIAL BETWEEN SAID SUBSTANCE AND SAID GAS STREAM; AND MAINTAINING A PREDETERMINED TEMPERATURE DIFFERENTIAL BETWEEN SAID GAS STREAM AND SAID SUBSTANCE SO AS TO CONTROL THE RATE OF HEAT EXCHANGE BETWEEN SAID SUBSTANCE AND SAID GAS STREAM.
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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |