| 发明名称 |
By-product gypsum fillers for mica-free joint compounds |
| 摘要 |
A filler for a mica-free joint compound, comprising by-product gypsum having a mean particle size between about 11 and about 12 microns, a percentage by weight of particles smaller than 1 micron of between about 5 and about 6.5, and a packed dry bulk volume no greater than about 93 cc. per 100 grams.
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| 申请公布号 |
US4049866(A) |
申请公布日期 |
1977.09.20 |
| 申请号 |
US19760663585 |
申请日期 |
1976.03.04 |
| 申请人 |
UNITED STATES GYPSUM COMPANY |
发明人 |
LANE, MARVIN K.;ANDERSON, WINTON C. |
| 分类号 |
C09K3/10;(IPC1-7):B32B5/16;C04B11/00;C04B11/02 |
主分类号 |
C09K3/10 |
| 代理机构 |
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代理人 |
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