US PATENT SUBCLASS 436 / 107
.~ N-Nitroso containing (e.g., nitrosamine, etc.)

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436 /   HD   CHEMISTRY: ANALYTICAL AND IMMUNOLOGICAL TESTING

106  DF  NITROGEN CONTAINING {7}
107.~ N-Nitroso containing (e.g., nitrosamine, etc.)

DEFINITION

Classification: 436/107

N-Nitroso containing (e.g., nitrosamine, etc.):

(under subclass 106) Subject matter in which the nitrogen containing species is the radical=N-NO.