US 12,251,473 B2
Non-surfactant type oil-water dispersion composition, non-surfactant type water-oil dispersion composition, and manufacturing methods for both compositions
Chul Hwan Kim, Daejeon (KR)
Assigned to SCAI THERAPEUTICS CO., LTD., Seoul (KR); and Chul Hwan Kim, Daejeon (KR)
Filed by SCAI Therapeutics Co., Ltd., Seoul (KR); and Chul Hwan Kim, Daejeon (KR)
Filed on Sep. 7, 2023, as Appl. No. 18/243,299.
Application 18/243,299 is a division of application No. 17/046,242, granted, now 11,779,539, previously published as PCT/KR2019/004593, filed on Apr. 16, 2019.
Claims priority of application No. 10-2018-0044547 (KR), filed on Apr. 17, 2018.
Prior Publication US 2023/0414513 A1, Dec. 28, 2023
Int. Cl. A61K 9/16 (2006.01); A61K 8/04 (2006.01); A61K 9/10 (2006.01); A61K 31/196 (2006.01); A61K 31/337 (2006.01); A61K 31/352 (2006.01); A61K 31/37 (2006.01); A61K 31/415 (2006.01); A61K 31/496 (2006.01); A61K 31/5415 (2006.01); A61K 31/704 (2006.01); A61K 31/7068 (2006.01); A61K 38/13 (2006.01)
CPC A61K 9/1611 (2013.01) [A61K 8/04 (2013.01); A61K 9/10 (2013.01); A61K 31/196 (2013.01); A61K 31/337 (2013.01); A61K 31/352 (2013.01); A61K 31/37 (2013.01); A61K 31/415 (2013.01); A61K 31/496 (2013.01); A61K 31/5415 (2013.01); A61K 31/704 (2013.01); A61K 31/7068 (2013.01); A61K 38/13 (2013.01)] 2 Claims
OG exemplary drawing
 
1. A water-oil (W/O) dispersion composition consisting of polar solvent droplets and a non-polar solvent in which the polar solvent droplets are dispersed,
wherein a transparency of the water-oil (W/O) dispersion composition is 90 to 100%,
wherein the water-oil (W/O) dispersion composition does not comprise a surfactant,
wherein the water-oil (W/O) dispersion composition does not comprise silica,
wherein an average particle diameter of the polar solvent droplets is 20 nm or less,
wherein the polar solvent droplets optionally comprise an active ingredient,
wherein the polar solvent droplets are contained in an amount of 0.01 wt. % (W/W) to 30.0 wt. % (W/W) based on a total weight of the water-oil (W/O) dispersion composition,
wherein polar solvent of the polar solvent droplets is water, and
wherein the non-polar solvent is an oil, hexane, or a mixture thereof.