US PATENT SUBCLASS 436 / 130
.~.~ Formaldehyde or acetone

Current as of: June, 1999
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436 /   HD   CHEMISTRY: ANALYTICAL AND IMMUNOLOGICAL TESTING

127  DF  OXYGEN CONTAINING {5}
128  DF  .~ Carbonyl, ether, aldehyde or ketone containing {2}
130.~.~ Formaldehyde or acetone

DEFINITION

Classification: 436/130

Formaldehyde or acetone:

(under subclass 128) Subject matter in which the specie investigated is H CHO or CH[supscrpt]3[end supscrpt] CO CH[supscrpt]3[end supscrpt].