• Technology trends
  • Patent search
  • Sign In
  • Sign Up
Patent classifications
C
CHEMISTRY; METALLURGY
Load children
C08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
Load children
C08G
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
Load children
18/00
Polymeric products of isocyanates or isothiocyanates
Load children Filter patents View analytics View as hierarchy
C08G18/06
with compounds having active hydrogen
Load children Filter patents View analytics View as hierarchy
C08G18/70
characterised by the isocyanates or isothiocyanates used
Load children Filter patents View analytics View as hierarchy
C08G18/72
Polyisocyanates or polyisothiocyanates
Load children Filter patents View analytics View as hierarchy
C08G18/74
cyclic
Load children Filter patents View analytics View as hierarchy
C08G18/76
aromatic
Load children Filter patents View analytics View as hierarchy
C08G18/7657
containing two or more aromatic rings
Load children Filter patents View analytics View as hierarchy