C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 3/30 (2006.01) C07C 17/25 (2006.01) C08J 9/14 (2006.01) C09K 5/04 (2006.01)
Patent
CA 2721689
Disclosed are compositions comprising HCFC-243db, HCFO-1233xf, HCFC-244db and/or HFO-1234yf and at least one additional compound. For the composition comprising 1234yf, the additional compound is selected from the group consisting of HFO-1234ze, HFO-1243zf, HCFC-243db, HCFC-244db, HFC-245cb, HFC-245fa, HCFO-1233xf, HCFO-1233zd, HCFC-253fb, HCFC-234ab, HCFC-243fa, ethylene, HFC-23, CFC-13, HFC-143a, HFC-152a, HFC-236fa, HCO-1130, HCO-1130a, HFO-1336, HCFC-133a, HCFC-254fb, HCFC-1131, HFO-1141, HCFO-1242zf, HCFO-1223xd, HCFC-233ab, HCFC-226ba, and HFC-227ca. Compositions comprising HCFC-243db, HCFO-1233xf, and/or HCFC-244db are useful in processes to make HFO-1234yf. Compositions comprising HFO-1234yf are useful, among other uses, as heat transfer compositions for use in refrigeration, air-conditioning and heat pump systems.
La présente invention concerne des compositions comprenant HCFC-243db, HCFO-1233xf, HCFC-244db et/ou HFO-1234yf et au moins un composé supplémentaire. En ce qui concerne la composition comprenant 1234yf, le composé supplémentaire est choisi dans le groupe formé par HFO-1234ze, HFO-1243zf, HCFC-243db, HCFC-244db, HFC-245cb, HFC-245fa, HCFO-1233xf, HCFO-1233zd, HCFC-253fb, HCFC-234ab, HCFC-243fa, éthylène, HFC-23, CFC-13, HFC-143a, HFC-152a, HFC-236fa, HCO-1130, HCO-1130a, HFO-1336, HCFC-133a, HCFC-254fb, HCFC-1131, HFO-1141, HCFO-1242zf, HCFO-1223xd, HCFC-233ab, HCFC-226ba et HFC-227ca. Les compositions comprenant HCFC-243db, HCFO-1233xf et/ou HCFC-244db sont utilisées dans le cadre de processus de fabrication de HFO-1234yf. Les compositions comprenant HFO-1234yf sont utilisées, entre autres, comme compositions de transfert thermique dans des systèmes de réfrigération, de climatisation et de pompe à chaleur.
Mahler Barry Asher
Nappa Mario Joseph
E.i. Du Pont de Nemours And Company
Torys Llp
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