发明名称 Gypsum composition for denture investment
摘要 A gypsum composition for denture investment consists of 100 parts by weight of a mixture of 50-90 parts by weight of alpha -Gypsum hemihydrate ( alpha -CaSO4.1/2H2O) with 10-50 parts by weight of beta -Gypsum hemihydrate ( beta -CaSO4.1/2H2O) and 0.2-2.0 parts by weight of a soluble potassium salt. As the soluble potassium salt, use may be made of one or more of potassium sulfate, potassium chloride and potassium tartrate. The gypsum composition may further include 0.5-5.0 parts by weight of dihydrate gypsum.
申请公布号 US4526619(A) 申请公布日期 1985.07.02
申请号 US19830516331 申请日期 1983.07.22
申请人 G-C DENTAL INDUSTRIAL CORP. 发明人 OHI, NOBUKAZU;OHNO, KOJI;TOSAKI, SATOSHI
分类号 A61K6/00;A61K6/027;C04B11/00;C04B11/06;C04B28/14;(IPC1-7):C09K3/00 主分类号 A61K6/00
代理机构 代理人
主权项
地址