DIFF Subgroup
C08G 12/42 by etherifying
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen > of aldehydes > Chemically modified polycondensates > by etherifying
CPC:
Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen (aminophenols C08G8/16) > of aldehydes > Chemically modified polycondensates > by etherifying
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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