WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

C05D　INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE

　　WARNING - IPC group C05D 11/00 is not used in the internal ECLA classification scheme.

　　Subject matter covered by this group is classified in one of the ECLA groups C05D 1/00 to C05D 9/00 (see internal note after the title of class C05)

C05D 1/00 Fertilisers containing potassium (C05D 7/00 takes precedence)

C05D 1/005 ・{post-treatment}

C05D 1/02 ・Manufacture from potassium chloride or sulfate or double or mixed salts thereof

C05D 1/04 ・from minerals or volcanic rocks

C05D 3/00 Calcareous fertilisers (C05D 7/00 takes precedence)

C05D 3/02 ・from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products

C05D 3/04 ・from blast-furnace slag or other slags containing lime or calcium silicates

C05D 5/00 Fertilisers containing magnesium (C05D 7/00 takes precedence)

C05D 7/00 Fertilisers producing carbon dioxide

C05D 9/00 Other inorganic fertilisers

C05D 9/02 ・containing trace elements

--- Edited by Muguruma Professional Engineer Office(C), 2013 ---