Skip over navigation
Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised
Search Symbol
CPC
COOPERATIVE PATENT CLASSIFICATION
Collapse
INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE [2013‑01]
WARNING

  • IPC group C05D11/00 is not used in the CPC scheme. Subject matter covered by this group is classified in one of the CPC groups C05D 1/00 to C05D 9/00 (see internal note after the title of class C05)
Collapse
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]
Collapse
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]
Collapse
Other inorganic fertilisers [2013‑01]
C05D 9/02
.
containing trace elements [2013‑01]
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013