US PATENT SUBCLASS 534 / 7
.~ Noble gas containing (i.e., He, Ne, Ar, Kr, Xe, or Rn containing)

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

*  DD  ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1) {8}
7.~ Noble gas containing (i.e., He, Ne, Ar, Kr, Xe, or Rn containing)

DEFINITION

Classification: 534/7

(under subclass 1) Compounds under Class 532, ... which contain a noble metal (i.e., helium, neon, argon, krypton, xenon or radon).