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| Number | Title | Issue Date |
| 7544847 | Method for producing 1,4-bis (dichloromethyl) tetrafluorobenzene A method for producing 1,4-bis(dichloromethyl)tetrafluorobenzene is disclosed, which is achieved by reacting tetrafluoroterephthaldehyde, SOCl2 and organic solvents. In the synthesis of 1,4-bis(dichloromethyl)-tetrafluorobenzene by adding formamides as ca... | 06/09/2009 |
| 7214838 | Method for transferring TCPX into TFPX A method for transferring TCPX (α, α, α′, α′-tetrachloro-p-xylene) into TFPX (α, α, α′, α′-tetrafluoro-p-xylene) is disclosed, which comprises the following steps: (a) providing a first reactant comprising TFPX; (b) mixing the first reactant with alk... | 05/08/2007 |
| 7173159 | Method for synthesizing TFPX A method for the synthesis of TFPX (α, α, α′, α′-tetrafluoro-p-xylene) is disclosed, which comprises the following steps: (a) providing a sulpholane solution comprising TCPX (α, α, α′, α′-tetrachloro-p-xylene); (b) mixing the sulpholane solution with... | 02/06/2007 |
