CPC Subgroup
C08G 18/08 Processes
Full Title
Polymeric products of isocyanates or isothiocyanates > with compounds having active hydrogen > Processes
9 direct subcodes
Child Classifications
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- 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)
- C08G 18/10 Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G 18/16 Catalysts (catalysts in general B01J)