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IPC 7
C05-C05B02100

SECTION C – CHEMISTRY; METALLURGY


C 05FERTILISERS; MANUFACTURE THEREOF (processes or devices for granulating materials, in general B01J 2/00; soil-conditioning or soil-stabilising materials C09K 17/00) [4]


C 05 BPHOSPHATIC FERTILISERS


Subclass Index

SUPERPHOSPHATES 

C05B 1/00 

PRODUCED BY WET TREATMENTS 

C05B 11/00 

PRODUCED BY PYROGENIC PROCESSES 

C05B 13/00 

OTHER INORGANIC FERTILISERS 

C05B 3/00 to C05B 9/00, C05B 17/00 

ORGANIC FERTILISERS 

C05B 15/00, C05B 17/00 

GRANULATION; PELLETISATION 

C05B 19/00 

MIXTURES OF PHOSPHATIC FERTILISERS 

C05B 21/00 



1/

00Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly

1/

02.Superphosphates

1/

04.Double-superphosphate; Triple-superphosphate Other fertilisers based essentially on monocalcium phosphate

1/

06.Ammoniation of superphosphates (fertilisers based essentially on ammonium orthophosphate C05B 7/00)

1/

10.Apparatus for the manufacture of superphosphates


3/

00Fertilisers based essentially on di-calcium phosphate (C05B 11/00 takes precedence)


5/

00Thomas phosphate; Other slag phosphates


7/

00Fertilisers based essentially on alkali or ammonium orthophosphates (C05B 11/00 takes precedence)


9/

00Fertilisers based essentially on phosphates or double phosphates of magnesium (C05B 11/00 takes precedence)


11/

00Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes

11/

02.Pretreatment

11/

04.using mineral acid

11/

06..using nitric acid (nitrophosphates)

11/

08..using sulfuric acid

11/

10..using orthophosphoric acid

11/

12..using aqueous hydrochloric acid

11/

14..using wet gaseous acids

11/

16.using alkaline lyes


13/

00Fertilisers produced by pyrogenic processes from phosphatic materials

13/

02.from rock phosphates (C05B 13/06 takes precedence)

13/

04.from metallic phosphorus compounds, e.g. ferro-phosphorus

13/

06.Alkali or alkaline earth meta- or polyphosphate fertilisers


15/

00Organic phosphatic fertilisers (bone meal C05B 17/00)


17/

00Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal

17/

02.containing manganese


19/

00Granulation or pelletisation of phosphatic fertilisers other than slag (granulating slag C04B)

19/

02.of superphosphates or mixtures containing them


21/

00Mixtures of phosphatic fertilisers covered by more than one of the preceding main groups


  
 

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