Powder compaction and enrobing

Details Powder compaction and enrobing Powder compaction and enrobing

2004-09-24

2009-12-01

Gupta, Yogendra (Department: 1791)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including grain, strips, or filamentary elements in...

C425S112000, C425S127000, C425S225000, C425S345000, C425S503000

Reexamination Certificate

active

07625622

ABSTRACT:
An apparatus and method is disclosed for forming a compacted powder slug coated with a film. The powder, e.g. of a medicament, is compacted and enrobed to produce compacted powder slugs by preferably mechanically compacting a powder and forming a film of a material, preferably hydroxy propyl methyl cellulose, by vacuum or pressure differential, about the surface of the powder thus compacted.

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