Patent ID: 6559200
Filing Date: 2003-05-06
Classification: A61K

Abstract:
A dental alginate impression material composition containing an alginate, a gelling reaction material, a gelling adjustment material, and a filler as major components, which comprises 0.001 to 0.1% by weight of one or more pH indicators selected from Cresol Red, &agr;-naphtholphthalein, Tropaeolin 000, Thymol Blue, and phenolphthalein; 0.1 to 10% by weight of a water-soluble polyether that is a liquid at 25Â° C.; and 0.001 to 5% by weight of an inorganic pigment and/or an organic pigment having a color distinctly different from a color tone caused by color formation of the pH indicator during the gelation upon mixing with water.