Patent · US Active

Pharmaceutical or nutraceutical composition with sustained release characteristic and with resistance against the influence of ethanol

US10842752B2 · kind B2 · utility

1Cited by

1References

15Claims

0Family size

Assignee

Evonik Operations GmbH · DE

Inventors

Priyanka Bansilal Haksar · Thane, IN
Shraddha Joshi · Navi Mumbai, IN
Harsh Shah · Ahmedabad, IN
Preeti Patil · Mumbai, IN
Smitha Shetty · Mumbai, IN

Key dates

Filing date	Oct 18, 2012
Grant date	Nov 24, 2020
Priority date	—
Expiry date	Mar 30, 2033

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K31/522
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A pharmaceutical or nutraceutical composition with a core, an inner coating layer, and an outercoating layer, wherein a pharmaceutical or a nutraceutical active ingredient is contained in the core, one or more salts of alginic acid is contained in the inner coating layer, and one or more water-insoluble polymers or copolymers is contained in the outer coating layer. In the composition, the ratio of the amount of the one or more salts of alginic acid in the inner coating layer is at least 2.5:1 by weight to the amount of the one or more water-insoluble polymers or copolymers in the outer coating layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.