Layered products characterised by the non- homogeneity or physical structure , i.e.

Official title: Layered products characterised by the non- homogeneity or physical structure {, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts}

B32B5/00 (Layered products characterised by the non- homogeneity or physical structure , i.e.) appears on 20,491 US grants and 27,186 published applications in this corpus.