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Organic compounds -- part of the class 532- series

20130116482 - Facile and effective method of preparing 1,4-bis(chlorodifluoromethyl)benzene: The present invention relates to a facile method of preparing 1,4-bis(chlorodifluoromethyl)benzene, comprising the steps of: (A) providing a reactant liquid of 1,4-bis(difluoromethyl)benzene; optionally (B) providing a light source for UV radiation; and (C) introducing chlorine gas into the reactant liquid at a temperature of 50-90° C. under a pressure above... Agent: Yuan-shin Materials Technology Corp.

20130116483 - Process for the fluorination of haloolefins: A process for the fluorination of haloolefins with elemental fluorine in the presence of anhydrous HF proceeds with high yield and selectivity in the product deriving from the addition of fluorine to the carbon-carbon double bond.... Agent: Solvay Specialty Polymers Italy S.p.a.

20130116484 - Cation-exchanged zeolite catalyst and process for producing mono-iodo benzene through transiodination by using it: p

20130116485 - Process for separation by selective adsorption on a solid containing a zeolite with a crystalline structure analogous to im-12: A process for adsorption separation uses a solid IM-12 type adsorbent to separate a molecular species from any feed.... Agent: Ifp Energies Nouvelles

20130102814 - Processes for the production of fluoropropanes and halopropenes and azeotropic compositions of 2-chloro-3,3,3-trifluoro-1-propene with hf and of 1,1,1,2,2-pentafluoropropane with hf: A process is disclosed for making CF3CH2CHF2, CF3CH═CHF and/or CF3CH═CHCl. The process involves reacting at least one starting material selected from the group consisting of halopropanes of the formula CX3CHClCH2X, halopropenes of the formula CX3CCl═CH2 and halopropenes of the formula CX2═CClCH2X, wherein each X is independently F or Cl, with... Agent: E I Du Pont De Nemours And Company

20130102815 - Process: The invention provides a process for the preparation of 2,3,3,3-tetrafluoropropene (1234yf) comprising (a) contacting 1,1,1-trifluoro-2,3-difluoropropane (243db) with hydrogen fluoride (HF) in the presence of a zinc/chromia catalyst to produce a compound having the formula CF3CHFCH2X, wherein X is Cl or F, and (b) dehydrohalogenating the... Agent: Mexichem Amanco Holding S.a. De C.v.