US PATENT SUBCLASS 570 / 243
.~.~ Preparing by oxyhalogenation

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
101  DF  .~ HALOGEN CONTAINING {21}
243.~.~ Preparing by oxyhalogenation {2}
244  DF  .~.~.~> Liquid medium or inorganic melt utilized
245  DF  .~.~.~> Fixed bed catalyst utilized

DEFINITION

Classification: 570/243

Preparing by oxyhalogenation:

(under subclass 101) Process which includes reaction with a mixture of hydrogen halide and elemental oxygen whereby halogen is generated in situ.