1. CPC Sections
  2. CPC Section C
  3. CPC Class C05
  4. CPC Subclass C05C
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CPC
COOPERATIVE PATENT CLASSIFICATION
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C05C
NITROGENOUS FERTILISERS [2018-01]
WARNING

  • The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups:
    C05C13/00covered byC05C 1/00 - C05C 11/00
    (see internal note after the title of class C05)
C05C 1/00
Ammonium nitrate fertilisers [2013-01]
C05C 1/02
.
Granulation (apparatus B01J 2/00); Pelletisation; Stabilisation; Colouring [2013-01]
C05C 3/00
Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor [2013-01]
C05C 3/005
.
{Post-treatment} [2013-01]
C05C 5/00
Fertilisers containing other nitrates [2013-01]
C05C 5/005
.
{Post-treatment} [2013-01]
C05C 5/02
.
containing sodium or potassium nitrate [2013-01]
C05C 5/04
.
containing calcium nitrate [2013-01]
C05C 7/00
Fertilisers containing calcium or other cyanamides [2013-01]
C05C 7/02
.
Granulation (apparatus B01J 2/00); Pelletisation; Degassing; Hydrating; Hardening; Stabilisation; Oiling [2013-01]
C05C 9/00
Fertilisers containing urea or urea compounds [2013-01]
C05C 9/005
.
{Post-treatment} [2013-01]
C05C 9/02
.
containing urea-formaldehyde condensates [2013-01]
C05C 11/00
Other nitrogenous fertilisers [2013-01]