REGISTER now for FREE 
|
FREE patent keyword monitoring and additional FREE benefits. REGISTER now for FREE
|
|
|
Organic Compounds -- Part Of The Class 532-570 Series > Azo Compounds Containing Formaldehyde Reaction Product As The Coupling Component > Amino Nitrogen Containing (e.g., Urea, Sulfonamides, Nitrosamines, Oxyamines, Etc., And Salts Thereof) > Fluorine Containing > Purification Or Recovery > Including Distillation Including DistillationIncluding Distillation patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/09/06 - 20060252970 - Process for producing hexafluoroethane and use thereof A process for producing hexafluoroethane, comprising a step of distilling a crude hexafluoroethane containing chlorine compounds each having two carbon atoms to distill out hexafluoroethane as a top flow from the top of a distillation column and separate a hexafluoroethane mixture containing the chlorine compounds as a bottom flow from ... 06/01/06 - 20060116538 - Azeotrope compositions comprising 1,1,3,3,3-pentafluoropropene and hydrogen fluoride and uses thereof Disclosed herein are azeotrope and near-azeotrope compositions comprising 1,1,3,3,3-pentafluoropentene (HFC-1225zc) and hydrogen fluoride. These compositions are useful in processes to produce and purify HFC-1225zc. Also disclosed are processes comprising pyrolyzing CF3CH2CF3 to CF3CH═CF2. Also disclosed herein are processes for the manufacture of HFC-1225zc comprising pyrolyzing 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) in the absence ... ### FreshPatents.com Support |