Compositions: coating or plastic – Coating or plastic compositions – Proteinaceous material containing
Patent
1979-03-23
1981-05-05
Poer, James
Compositions: coating or plastic
Coating or plastic compositions
Proteinaceous material containing
C04B 736
Patent
active
042656710
ABSTRACT:
A process for producing cement clinkers is disclosed whereby fly ash is added to the lower as well as to the upper end of a rotary kiln containing a firing zone and wherein the fly ash is admixed with calcareous materials in accordance with the desired composition of the product.
REFERENCES:
patent: 3302938 (1967-02-01), Bendy
patent: 3437329 (1969-04-01), Ostberg et al.
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