COMPOSITIONS Russian patent published in 2020 - IPC A61K9/22 A61K9/42 A61K47/14 A61K47/38 

Abstract RU 2717574 C2

FIELD: medicine, pharmaceutics.

SUBSTANCE: first object is a coated tablet coated with a delayed release of the active ingredient, comprising: (a) a core with one or more active ingredients and (b) eroded barrier with delayed release, surrounding core and including wax and two or more fractions of L-HPC, wherein wax and L-HPC are contained in a weight ratio of "wax:L-HPC" from 30 %:70 % to 70 %:30 %. Second object is a method of making a coated tablet coated with a coating, involving steps of producing a core and forming a barrier layer around the core.

EFFECT: technical result consists in the delayed release of the active ingredient which is compressed by the tablet, which is regulated by the content of two fractions of L-HPC and the ratio of L-HPC to wax.

23 cl, 7 dwg, 8 tbl, 12 ex

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RU 2 717 574 C2

Authors

Stevehs, Howard Norman Ernest

Mullen, Alexander Balfour

Smith, David

Macdougall, Fiona Jane

Bhardwaj, Vivekanand

Dates

2020-03-24Published

2015-11-16Filed