21-03-2013 дата публикации
Номер: US20130068989A1
Disclosed are compositions comprising HFC-245eb and at least one additional compound selected from the group consisting of HFO-1234ze, HFC-245fa, HFC-236cb, HFC-236ea, HFC-236fa, HFC-227ea, HFC-227ca, HFO-1225yc, HFO-1225zc, HFO-1225ye, methane, ethane, propane, HFC-23, HFC-143a, HFC-134, HFC-134a, FC-1216, HFO-1234yf, HFC-254eb, HFO-1243zf, and HFC-254fb. Compositions comprising HFC-245eb are useful in processes to make HFO-1234yf. Also disclosed are compositions comprising HFO-1234yf and at least one additional compound selected from the group consisting of HFO-1234ze, HFC-254eb, HFC-254fb, HFO-1243zf, HFCHFC-245eb, HFC-245fa, HFC-245cb, HFC-236cb, HFC-236ea, HFC-236fa, HFC-227ea, HFC-227ca, HFO-1225yc, HFO-1225zc, HFO-1225ye, methane, ethane, propane, HFC-23, HFC-134, HFC-134a, HFO-1132a and FC-1216. Compositions comprising HFO-1234yf are useful as heat transfer compositions for use in refrigeration, air-conditioning and heat pump systems. 13-. (canceled)4. A composition comprising HFO-1234yf and at least one additional compound selected from the group consisting of HFO-1234ze , HFC-254eb , HFC-254fb , HFO-1243zf , HFC-245eb , HFC-245fa , HFC-245cb , HFC-236cb , HFC-236ea , HFC-236fa , HFC-227ea , HFC-227ca , HFO-1225yc , HFO-1225zc , HFO-1225ye , 3 ,3 ,3-trifluoropropyne , methane , ethane , propane , HFC-23 , HFC-143a , HFC-134 , HFC-134a , HFO-1132a , and FC-1216; wherein the composition comprises HFO-1234ze and at least one other additional compound.51. The composition of claim containing less than about 1 weight percent of the at least one additional compound.61. The composition of claim wherein the composition comprises HFO-1234ze and at least one of HFC-245eb , HFC-245fa or HFC-245cb.71. The composition of claim wherein the composition comprises E-HFO-1234ze and Z-HFO-1234ze.8. A composition comprising HFC-245eb and at least one additional compound selected from the group consisting of HFO-1234ze , HFC-245fa , HFC-236cb , HFC-236ea , HFC-236fa , HFC-227ea ...
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