74263795
Apr 8, 1992
Jan 10, 1995
chemical products used in industry; namely, amines, either in monomeric or in polymeric form, with one or more amino groups, such amines with other functional groups; chain extenders, cross-linking agents, curing agents, amino polyols, starting materials and intermediate products for the manufacture of polyurethan, polyurea, polyepoxides
Chemicals