E.i. Dupont De Nemours and Company

Liza Lopez

Sourav Kumar Sengupta

Stephen Ernest Jacobson

John Joseph Hagedorn

An improved process for producing perfluoroalkyl iodides of formula (I)F(CFCF)&#x2014;I&#x2003;&#x2003;(I)wherein n is an integer from 2 to 3, wherein the improvement comprises contacting at least one perfluoroalkyl iodide of formula (II) and at least one perfluoroalkyl iodide of formula (III)F(CFCF)&#x2014;I&#x2003;&#x2003;(II)F(CFCF)&#x2014;I&#x2003;&#x2003;(III)wherein m is an integer greater than or equal to 3, and p is an integer equal to or lower than 2, at a) a molar ratio of formula (III) to formula (II) of from about 1:1 to about 6:1, b) a residence time of from about 1 to about 9 seconds, and c) a temperature of from about 450&#xb0; C. to about 495&#xb0; C.

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Elkton, MD, United States of America

Liza Lopez