Method for production of fluorinated phenylenediamine

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof

Reexamination Certificate

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C564S335000

Reexamination Certificate

active

07741426

ABSTRACT:
A method for the production of a fluorinated phenylenediamine is provided which comprises steps of reacting a diamide represented by the following formula with NaOCl at a molar ratio of the NaOCl to the diamide in the range of 2.0-6.0 and NaOH at a molar ratio of the NaOH to the diamide in the range of 1.8-6.0 is provided. According to this invention, the fluorinated phenylenediamine can be produced conveniently in a high yield.

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