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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
C02F 5/12

containing nitrogen (C02F5/14 takes precedence)

Introduced: January 1980

Title

Titles differ between systems:

IPC: containing nitrogen

CPC: containing nitrogen (C02F5/14 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents > Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents > using organic substances > containing nitrogen

CPC:

Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents (softening using ion-exchange C02F1/42) > Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents > using organic substances > containing nitrogen (C02F5/14 takes precedence)

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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