ClassID:

87763

C03C17/3494 - CPC Classification

Classification description:

Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials at least one of the coatings being a non-oxide coating comprising other salts, e.g. sulfate, phosphate

Recent Application in this class: