Process for preparation of gypsum shapes

Details Process for preparation of gypsum shapes Process for preparation of gypsum shapes

1982-05-06

1985-09-10

Straub, Gary P.

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

106110, 106118, 423555, C04B 1100, C04B 1110, C01F 1146

Patent

active

045404399

ABSTRACT:
A process for preparing shaped articles from waste gypsum from wet-process phosphoric acid production comprises:

REFERENCES:
patent: 1703097 (1929-02-01), Chassevent
patent: 2937926 (1960-05-01), Hanusch
patent: 3159497 (1964-12-01), Yamaguchi
patent: 3414462 (1968-12-01), Cafferata
patent: 3489583 (1970-01-01), Bloom
patent: 3574648 (1971-04-01), Wirsching et al.
patent: 3827897 (1974-08-01), Dumont
patent: 3847634 (1974-11-01), Vickery
patent: 3945841 (1976-03-01), Dumont
patent: 4101638 (1978-07-01), Inoue et al.
patent: 4340521 (1982-07-01), Deleuil

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