Processes

Introduced: July 1974

Full Title

Polymeric products of isocyanates or isothiocyanates > with compounds having active hydrogen > Processes

CPC subdivides this area 3x more granularly than IPC with 6 additional codes.

6 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

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C08G 18/0804 +3 CPC CPC only CPC only
C08G 18/0838 +1 CPC CPC only CPC only
C08G 18/088 +1 CPC CPC only CPC only
C08G 18/089 CPC only CPC only
C08G 18/0895 CPC only CPC only
C08G 18/09 comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture (use of preformed oligomers C08G18/79) since 2000 +3 CPC IPC+CPC Available in IPC and CPC
C08G 18/10 Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step since 1974 IPC+CPC Available in IPC and CPC
C08G 18/14 CPC only CPC only
C08G 18/16 Catalysts (catalysts in general B01J) since 1974 +2 CPC IPC+CPC Available in IPC and CPC