Patent ID: 11891806
Assignee: KNAUF GIPS KG
Field: Materials, metallurgy (Chemistry)
Classification: CPC E  C  B  Y | IPC B  C  E

Claim 0:
1. A gypsum containing building board comprising a plurality of material layers, wherein at least one of the plurality of material layers is a graphene or graphene oxide layer composed of graphene paper or graphene oxide paper, wherein an exterior surface of the building board comprises a casing material, below which is located the graphene or graphene oxide layer, and wherein at least one of the plurality of material layers comprises a calcium sulfate material with at least 10 wt.-% of calcium sulphate, wherein the layer composed of graphene paper or graphene oxide paper comprises individual strips, wherein the strips extend in the longitudinal and/or transverse direction of the building board.