• All sections
• C - Chemistry; metallurgy
• C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
• C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step

Patent holdings for IPC class C08G 18/12

Total number of patents in this class: 1918

10-year publication summary

Principal owners for this class