Patent US3640869A successfully refreshed from Google Patents.
US3640869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorocarbon compositions
Assignee: Honeywell International Inc
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Filing: 1964-09-18
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Granted: 1972-02-08
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Expires: 1984-09-18
Abstract
Abstract 1. The process of producing refrigeration which comprises condensing a mixture consisting of trifluoromethane and monochlorotrifluoromethane, in which mixture the mole percent of trifluoromethane is in the range of about 20-75, and thereafter evaporating said mixture in the vicinity of a body to be cooled.
Inventors
- 👤 Sabatino R Orfeo
- 👤 Kevin P Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:04
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/02; C09K5/04; C09K5/041; C09K5/044; C09K5/045; C09K2205/00; C09K2205/10; C09K2205/12; C09K2205/122
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
44 words
THE PROCESS OF PRODUCING REFRIGERATION WHICH COMPRISES CONDENSING A MIXTURE CONSISTING OF TRIFLUOROMETHANE AND MONOCHLOROTRIFLUOROMETHANE, IN WHICH MIXTURE THE MOLE PERCENT OF TRIFLUOROMETHANE IS IN THE RANGE OF ABOUT 20-75, AND THEREAFTER EVAPORATING SAID MIXTGURE IN THE VICINITY OF A BODY TO BE COOLED.
Claim 2
Dependent Claim
44 words
THE PROCESS OF PRODUCING REFRIGERATION WHICH COMPRISES CONDENSING A MIXTURE CONSISTING OF TRIFLUOROMETHANE AND MONOCHLOROTRIFLUOROMETHANE, IN WHICH MIXTURE THE MOLE PERCENT OF TRIFLUOROMETHANE IS IN THE RANGE OF ABOUT 20-75, AND THEREAFTER EVAPORATING SAID MIXTGURE IN THE VICINITY OF A BODY TO BE COOLED.
Claim 3
Dependent Claim
44 words
The process of producing refrigeration which comprises condensing a mixture consisting of trifluoromethane and monochlorotrifluoromethane, in which mixture the mole percent of trifluoromethane is in the range of about 36-64, and thereafter evaporating said mixture in the vicinity of a body to be cooled.
Claim 4
Dependent Claim
44 words
The process of producing refrigeration which comprises condensing a mixture consisting of trifluoromethane and monochlorotrifluoromethane, in which mixture the mole percent of trifluoromethane is in the range of about 36-64, and thereafter evaporating said mixture in the vicinity of a body to be cooled.
Claim 5
Dependent Claim
44 words
The process of producing refrigeration which comprises condensing a mixture consisting of trifluoromethane and monochlorotrifluoromethane, in which mixture the mole percent of trifluoromethane is in the range of about 42-55, and thereafter evaporating said mixture in the vicinity of a body to be cooled.
Claim 6
Dependent Claim
44 words
The process of producing refrigeration which comprises condensing a mixture consisting of trifluoromethane and monochlorotrifluoromethane, in which mixture the mole percent of trifluoromethane is in the range of about 42-55, and thereafter evaporating said mixture in the vicinity of a body to be cooled.
Claim 7
Dependent Claim
44 words
The process of producing refrigeration which comprises condensing a mixture consisting of trifluoromethane and monochlorotrifluoromethane, in which mixture the mole percent of trifluoromethane is in the range of about 49-51, and thereafter evaporating said mixture in the vicinity of a body to be cooled.
Claim 8
Dependent Claim
44 words
The process of producing refrigeration which comprises condensing a mixture consisting of trifluoromethane and monochlorotrifluoromethane, in which mixture the mole percent of trifluoromethane is in the range of about 49-51, and thereafter evaporating said mixture in the vicinity of a body to be cooled.
References Cited (Backward Citations)
US668609A
Cited
US1968050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-07 | 1975-08-09 | 1976-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-07 | 1979-08-09 | 1980-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-07 | 1983-08-09 | 1984-02-08 | $7700.00 | Window Closed / Lapsed |