IPC Definitions - January 01, 2012
C10L 1/10 - Definition
Special rules of classification
In this group:
in the absence of an indication to the contrary, a compound is classified in the last appropriate place
if an additive is a mixture of compounds, classification is made for each compound of interest
a metal salt or an ammonium salt of a compound is classified as that compound, e.g. a chromium sulfonate is classified as a sulfonate in group C10L 1/24 and not in group C10L 1/30