Patent ID: 7563517

Claim:
A utensil or vessel for cooking food products, wherein the surface of said utensil or vessel that is in contact with the food products has a coating consisting of an aluminum-based alloy containing more than 80% by weight of one or more quasicrystalline or approximant phases, having the composition Al a (Fe 1-x X x ) b (Cr 1-y Y y ) c Z z J j in which: X represents one or more elements isoelectronic with Fe, chosen from Ru and Os; Y represents one or more elements isoelectronic with Cr, chosen from Mo and W; Z is an element selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Mn, Re, Rh, Ni, Pd mixtures thereof; J represents the inevitable impurities other than copper; a+b+c+z=100; 5≦b≦15; 10≦c≦29; 0≦z≦10; xb≦2; yc≦2; and j<1, said aluminum-based alloy being free of copper.