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US3249151A
Expired / Lapsed
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Heat recovery process
Assignee: Monsanto Co
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Filing: 1964-01-02
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Granted: 1966-05-03
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Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 John R Buss
- 👤 Mcewen Malcolm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:52
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
PROCESS FOR THE RECOVERY OF HEAT FROM HOT GASES WHICH COMPRISES PASSING THE SAID HOT GASES INTO DIRECT CONTACT WITH A FALLING STREAM OF DROPLETS OF A CHLOROPOLYPHENYL ETHER HAVING FROM 2 TO 3 PHENYL RADICALS AND FROM 2 TO 6 CHLORINE ATOMS PER MOLECULE WHEREBY THE TEMPERATURE AND HEAT CONTENT OF THE SAID ETHER IS INCREASED, AND THEREAFTER RECOVERING THE HEAT CONTENT OF THE SAID ETHER BY PASSING THE SAME IN CONTACT WITH A STREAM OF AN INERT FLUID.
Claim 2
Dependent Claim
80 words
PROCESS FOR THE RECOVERY OF HEAT FROM HOT GASES WHICH COMPRISES PASSING THE SAID HOT GASES INTO DIRECT CONTACT WITH A FALLING STREAM OF DROPLETS OF A CHLOROPOLYPHENYL ETHER HAVING FROM 2 TO 3 PHENYL RADICALS AND FROM 2 TO 6 CHLORINE ATOMS PER MOLECULE WHEREBY THE TEMPERATURE AND HEAT CONTENT OF THE SAID ETHER IS INCREASED, AND THEREAFTER RECOVERING THE HEAT CONTENT OF THE SAID ETHER BY PASSING THE SAME IN CONTACT WITH A STREAM OF AN INERT FLUID.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |