DIFF Subgroup
C09J 123/22 Copolymers of isobutene; Butyl rubber
Introduced: January 1990
Full Title
Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers > not modified by chemical after-treatment > Homopolymers or copolymers of hydrocarbons having four or more carbon atoms > having four to nine carbon atoms > Copolymers of isobutene; Butyl rubber
No child classifications to compare. This is a leaf node in both IPC and CPC.