Process for preparing filled hard-shell capsules with cellulose or starch-based coatings with a capsule-filling machine

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United States of America

PATENT NO 12193993
APP PUB NO 20220241155A1
SERIAL NO

17595147

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Abstract

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A process can be used for preparing a polymer coated hard-shell capsule, filled with a fill containing a biologically active ingredient. The hard-shell capsule contains a body and a cap, and in a closed state, the cap overlaps the body in a pre-locked state or a final-locked state. The material of the body and cap contains an ethyl-, methyl-, or propyl-ether of cellulose, starch, or pullulan. The hard-shell capsule is coated with a coating layer, containing one or more anionic cellulose(s), ethyl cellulose, and/or one or more starches comprising at least 35% by weight of amylose, where the coating layer is present in an amount of about 1 to 5.8 mg/cm2. The process involves providing the polymer-coated hard-shell capsule in the pre-locked state to a capsule-filling machine, separating the body and the cap, filling the body with the fill, and rejoining the body and the cap in the final-locked state.

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Patent Owner(s)

Patent OwnerAddress
EVONIK OPERATIONS GMBHRELLINGHAUSER STRASSE 1-11 ESSEN 45128

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bär, Hans Michelstadt, DE 9 27
Guha, Ashish Mumbai, IN 20 28
Hölzer, Bettina Bensheim, DE 6 7
Hofmann, Felix Darmstadt, DE 9 15
Jain, Vinay Mumbai, IN 32 208
Joshi, Shraddha Thane, IN 17 16

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