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CPC
COOPERATIVE PATENT CLASSIFICATION
C05G
MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS (organic fertilisers containing added bacterial cultures, mycelia, or the like C05F 11/08; organic fertilisers containing plant vitamins or hormones C05F 11/10); FERTILISERS CHARACTERISED BY THEIR FORM [2021-01]
NOTES

  • This subclass covers mixtures of fertilisers with soil-conditioning or soil-stabilising materials characterised by their fertilizing activity.
  • This subclass does not cover mixtures of fertilisers with soil-conditioning or soil-stabilising materials characterised by their soil-conditioning or soil-stabilising activity, which are covered by group C09K 17/00.
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:
    C05G1/02 - C05G1/10 covered by C05 (see internal note after the title of class C05)
C05G 1/00
Mixtures of fertilisers belonging individually to different subclasses of C05 [2013-01]
C05G 3/00
Mixtures of one or more fertilisers with additives not having a specially fertilising activity [2020-02]
C05G 3/20
.
for preventing the fertilisers being reduced to powder; Anti-dusting additives [2020-02]
WARNING

C05G 3/30
.
Anti-agglomerating additives; Anti-solidifying additives [2020-02]
WARNING

C05G 3/40
.
for affecting fertiliser dosage or release rate; for affecting solubility [2020-02]
C05G 3/44
. .
{for affecting solubility} [2020-02]
C05G 3/50
.
Surfactants; Emulsifiers [2020-02]
WARNING

C05G 3/60
.
Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants [2020-02]
C05G 3/70
.
for affecting wettability, e.g. drying agents [2020-02]
WARNING

C05G 3/80
.
Soil conditioners [2020-02]
C05G 3/90
.
for affecting the nitrification of ammonium compounds or urea in the soil [2020-02]
C05G 5/00
Fertilisers characterised by their form [2020-02]
WARNING

C05G 5/10
.
Solid or semi-solid fertilisers, e.g. powders (layered or coated C05G 5/30, incorporated into a matrix C05G 5/40) [2020-02]
WARNING

C05G 5/12
. .
Granules or flakes [2020-02]
WARNING

C05G 5/14
. .
Tablets, spikes, rods, blocks or balls [2020-02]
WARNING

  • Group C05G 5/14 is incomplete pending reclassification of documents from groups C05G 5/00, C05G 5/12, and C05G 5/45.
    All groups listed in this Warning should be considered in order to perform a complete search.
C05G 5/16
. .
Films or sheets; Webs; Fibres [2020-02]
WARNING

C05G 5/18
. .
Semi-solid fertilisers, e.g. foams or gels [2020-02]
WARNING

C05G 5/20
.
Liquid fertilisers (layered or coated C05G 5/30; incorporated into a matrix C05G 5/40) [2020-02]
WARNING

C05G 5/23
. .
Solutions [2020-02]
WARNING

C05G 5/27
. .
Dispersions, e.g. suspensions or emulsions [2020-02]
WARNING

C05G 5/30
.
Layered or coated, e.g. dust-preventing coatings [2020-02]
NOTE

  • {Apparatus for applying layers or coatings are classified in this group}
WARNING

  • Group C05G 5/30 is incomplete pending reclassification of documents from group C05G 5/00, C05G 5/20, and C05G 5/45.
    All groups listed in this Warning should be considered in order to perform a complete search.
C05G 5/35
. .
Capsules, e.g. core-shell [2020-02]
C05G 5/36
. .
{layered or coated with sulfur} [2020-02]
C05G 5/37
. .
{layered or coated with a polymer} [2020-02]
C05G 5/38
. .
{layered or coated with wax or resins} [2020-02]
C05G 5/40
.
Fertilisers incorporated into a matrix [2020-02]
WARNING

C05G 5/45
.
{Form not covered by groups C05G 5/10 - C05G 5/18, C05G 5/20 - C05G 5/27, C05G 5/30 - C05G 5/38 or C05G 5/40, e.g. soluble or permeable packaging} [2020-02]
WARNING