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Inventor: Masayuki Naganuma


Address: Yokohama, JP
No. of patents: 1
Last patent issue date: 06/22/1993

NumberTitleIssue Date
5221342Coloring composition and production method and use thereof
A coloring composition comprising (i) gypsum dihydrate and (ii) at least one coloring agent selected from the group consisting of inorganic pigments, organic pigments, dyestuffs, and natural coloring matters. This coloring composition may be produced by m...
06/22/1993
 
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