![]() They are considered as a single group of materials, are mixtures of one or more binders with fillers or other ingredients. Mortar-, concrete- and artificial stone compositions of dimensions below 100 micrometer.įor the purpose of classification and search in this subclass, the terms " cement " and " hydraulic binder " are considered to be equivalent, even if in literature, an hydraulic binder might be defined as a mixture of cement and one or more inorganic additives. Inactive ingredients, include pigments, aggregates and fibrous reinforcing materials.Ĭeramics having a polycrystalline fine-grained microstructure, e.g. Inorganic, non metallic products obtained by a process involving a shaping step and a sintering or comparable heat treatment step, with the exclusion of cements, cermets and glasses, glazes, vitreous enamels and devitrified glass ceramics. not interground with additives such as gypsum. to indicate the unground sintered product leaving the cement kiln, or it might be used to indicate the ground cement without any additive, i.e. In patent literature this term might be used literally, i.e. The unground sintered product leaving the cement kiln. excluding any additional ingredient or additive added to the finished binder as such, with the exception of mixtures of binders. grinding aids, used after the cement burning process or in the absence of such a burning process. Other examples are processing aids or property improvers, e.g. as set accelerator, as dispersant or as gas generating agent. Ingredients having an effect on the mortar-, concrete- or artificial stone composition during processing or on the characteristics of the final product, e.g.
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