Thursday, April 13, 2017 2:23:59 PM
Patent is about curing the tablet. I would guess the curing hardens the PEO and makes the tablet harder to crush. Rexista is not too hard to crush, and I assume Rexista tablet is not cured.
PODRAS patent describes the manufacturing process for two versions. Example 29, which corresponds to the formula you posted, dry mixes the ingredients to form granules, then uses compression to form the core. Example 24, uses hot melt extrusion which is then ground into granules, then uses compression to form the core.
Rexista does not use curing of the tablet, assuming Rexista is manufactured similarly to the PODRAS patent. So Rexista does not infringe on the Tamper Resistant patent.
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