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CPC
COOPERATIVE PATENT CLASSIFICATION
C05D
INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE [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:
    C05D11/00covered byC05D 1/00 - C05D 9/00
    (see internal note after the title of class C05)
C05D 1/00
Fertilisers containing potassium (C05D 7/00 takes precedence) [2013-01]
C05D 1/005
.
{post-treatment} [2013-01]
C05D 1/02
.
Manufacture from potassium chloride or sulfate or double or mixed salts thereof [2013-01]
C05D 1/04
.
from minerals or volcanic rocks [2013-01]
C05D 3/00
Calcareous fertilisers (C05D 7/00 takes precedence) [2013-01]
C05D 3/02
.
from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products [2013-01]
C05D 3/04
.
from blast-furnace slag or other slags containing lime or calcium silicates [2013-01]
C05D 5/00
Fertilisers containing magnesium (C05D 7/00 takes precedence) [2013-01]
C05D 7/00
Fertilisers producing carbon dioxide [2013-01]
C05D 9/00
Other inorganic fertilisers [2013-01]
C05D 9/02
.
containing trace elements [2013-01]