Claims
- 1. The azeotrope which at substantially atmospheric pressure is characterized as about 90.4 weight per cent 1,2-dichloro-1,2-difluoroethane and about 9.6 weight per cent methanol.
- 2. The azeotrope according to claim 1 characterized by a boiling point of about 52.degree. C. at substantially atmospheric pressure.
- 3. The azeotrope according to claim 1 characterized by a boiling point of about 52.degree. C. at about 741 millimeters pressure.
Parent Case Info
This is a divisional application of Ser. No. 609,115, filed Aug. 29, 1975, now U.S. Pat. No. 4,035,258, patented July 12, 1977; which is a divisional application of Ser. No. 391,663, filed Aug. 27, 1973, now U.S. Pat. No. 3,936,387, patented Feb. 3, 1976; which is a continuation-in-part of Ser. No. 223,779, filed Feb. 4, 1972, now abandoned.
US Referenced Citations (4)
Divisions (2)
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Number |
Date |
Country |
Parent |
609115 |
Aug 1975 |
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Parent |
391663 |
Aug 1973 |
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Continuation in Parts (1)
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Number |
Date |
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Parent |
223779 |
Feb 1972 |
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