Pigmented vitreous material its precursor glass items coated therewith and method of its preparation

(57) Summary book invention relates to the nature material of colored glass characterized in use and a lot of dispersing agents of the production method of the nature material of colored glass and a soluble paints precursor not existing. Such nature materials of colored glass can be used for all the known purposes as a coloring material. The right was charged also about the soluble paints precursor containing formula (i) or formula (ii) of partial structure. Although X are an aromatic series ring or double 素芳香族環 among a formula and B is a basis of hydrogen or formula (iii) here, at least one basis B is not hydrogen, and L is a soluble machine. 化 35