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

1991-07-30

1994-04-12

Willis, Jr., Prince

Compositions

Inorganic luminescent compositions

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

427213, 23313FB, 34 10, 366102, 423DIG16, B05C 1102

Patent

active

053023188

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: 4710674 (1987-12-01), Sigai
patent: 4915976 (1990-04-01), Brown
patent: 4979830 (1990-12-01), Munn

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