Method for increasing the cohesiveness of powders in fluid beds

Details Method for increasing the cohesiveness of powders in fluid beds Method for increasing the cohesiveness of powders in fluid beds

1990-11-13

1991-12-10

Willis, Prince E.

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

34 10, 427213, 423DIG16, C09K 1102, F26B 308

Patent

active

050715909

ABSTRACT:
This invention concerns the addition of fibrous alumina material to a phosphor or phosphor mixture before fluidization as a means of increasing the cohesiveness of the phosphor or phosphor mixture. The increase in cohesiveness can be controlled by varying the concentration of the fiber in the mixture.

REFERENCES:
patent: 4583299 (1986-04-01), Brooks
patent: 4585673 (1986-04-01), Sigai
patent: 4591334 (1986-05-01), Brooks
patent: 4710674 (1987-12-01), Sigai
patent: 4735733 (1988-04-01), Blumenthal
patent: 4915976 (1990-04-01), Brown

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