Skip over navigation
Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised

CPC
COOPERATIVE PATENT CLASSIFICATION
Collapse
NITROGENOUS FERTILISERS
WARNING
-
IPC group C05C13/00 is not used in the CPC scheme. Subject matter covered by this group is classified in one of the CPC groups C05C 1/00 to C05C 11/00 (see internal note after the title of class C05)

Collapse
C05C 1/00
Ammonium nitrate fertilisers
C05C 1/02
.
Granulation (apparatus B01J 2/00); Pelletisation; Stabilisation; Colouring
Collapse
C05C 3/00
Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
C05C 3/005
.
{
Post-treatment
}
Collapse
C05C 5/00
Fertilisers containing other nitrates
C05C 5/005
.
{
Post-treatment
}
C05C 5/02
.
containing sodium or potassium nitrate
C05C 5/04
.
containing calcium nitrate
Collapse
C05C 7/00
Fertilisers containing calcium or other cyanamides
C05C 7/02
.
Granulation (apparatus B01J 2/00); Pelletisation; Degassing; Hydrating; Hardening; Stabilisation; Oiling
Collapse
C05C 9/00
Fertilisers containing urea or urea compounds
C05C 9/005
.
{
Post-treatment
}
C05C 9/02
.
containing urea-formaldehyde condensates
C05C 11/00
Other nitrogenous fertilisers
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013