Classifying – separating – and assorting solids – Precedent preparation of items or materials to facilitate... – Selective differentiation
Reexamination Certificate
2001-12-19
2004-10-19
Walsh, Donald P. (Department: 3653)
Classifying, separating, and assorting solids
Precedent preparation of items or materials to facilitate...
Selective differentiation
C209S005000, C209S009000, C209S012100, C209S164000, C209S172500, C209S173000
Reexamination Certificate
active
06805242
ABSTRACT:
The invention relates to the use of dispersants to reduce phosphate ore losses during desliming of a phosphate ore feed slurry containing thick slimes.
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ARR-MAZ Products, L.P.
Kohner Matthew J.
LaPointe Dennis G.
Mason Law P.L.
Walsh Donald P.
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