US PATENT SUBCLASS 570 / 259
.~.~ Preparing by reacting ether with hydrogen halide

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570 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
101  DF  .~ HALOGEN CONTAINING {21}
259.~.~ Preparing by reacting ether with hydrogen halide

DEFINITION

Classification: 570/259

Preparing by reacting ether with hydrogen halide:

(under subclass 101) Process wherein an ether is reacted with hydrogen halide to replace the oxygen atom with halogen.