Plastic article or earthenware shaping or treating: apparatus – Sets of shaping couples comprising an endless surface for...
Patent
1986-08-06
1988-01-05
Heller, Gregory A.
Plastic article or earthenware shaping or treating: apparatus
Sets of shaping couples comprising an endless surface for...
423331, C01B 3312
Patent
active
047175613
ABSTRACT:
Free flowing, substantially dust-free, dense granular amorphous precipitated silica having a principal particle size of between about 0.14 millimeters and about 0.84 millimeters are described. This material is particularly suitable as an inert carrier for water-soluble and fat soluble nutritional supplements, e.g., vitamins, which are added to feeds for livestock.
REFERENCES:
patent: 2942830 (1985-08-01), Thornhill
patent: 4603143 (1986-07-01), Schmidt
patent: 4617294 (1981-10-01), Krivak et al.
Chemical Engineers' Handbook, 3rd Edition, 1950, p. 963.
Dew James T.
Heimburger Stanley A.
Krivak Thomas G.
Freeman Lori S.
Heller Gregory A.
PPG Industries Inc.
Stein Irwin M.
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