Application of code or information to object for giving data on mixture of materials used in its construction involves listing salient characteristics of materials in mixture

摘要

A color code may be applied to different materials, e.g. concrete, rubber, making up the object. Given chemical substances may be added into the mix, which may be detected by analytical techniques. Codes, in the form of alphanumeric symbols, may be painted or printed on surfaces of material components, or may be molded, stamped or embossed in the surface.