	US 11,684,564 B2
	Cosmetic composition for improving skin containing taraxacum coreanum phytoplacenta culture extract that has moisturizing and soothing effects for extremely dry skin such as atopic dermatitis, and skin barrier strengthening effect
Moon Sun Chai, Seoul (KR)
Assigned to TALITHAKOUM CO., LTD., Seoul (KR)
Filed by TALITHAKOUM CO., LTD., Seoul (KR)
Filed on Jul. 12, 2021, as Appl. No. 17/372,618.
Claims priority of application No. 10-2020-0086211 (KR), filed on Jul. 13, 2020.
Prior Publication US 2022/0008328 A1, Jan. 13, 2022
Int. Cl. A61K 8/9789 (2017.01); A61Q 17/00 (2006.01); A61Q 17/04 (2006.01); A61Q 19/00 (2006.01); A61Q 19/08 (2006.01); C12N 5/04 (2006.01)

CPC A61K 8/9789 (2017.08) [A61Q 17/00 (2013.01); A61Q 17/04 (2013.01); A61Q 19/007 (2013.01); A61Q 19/08 (2013.01); C12N 5/04 (2013.01)]

17 Claims

1. A method for preparing a composition containing a phytoplacenta cell culture of Taraxacum Coreanum or an extract of the phytoplacenta cell culture, the method comprising the steps of:

(a) separating and culturing phytoplacenta cells from the phytoplacenta tissue in an ovary of Taraxacum Coreanum plant; and

(b) preparing a composition containing the phytoplacenta cell culture obtained in the step (a) or an extract of the phytoplacenta cell culture obtained in the step (a);

wherein step (a) includes culturing the phytoplacenta cells in the dark; and

wherein the extract of the phytoplacenta cell culture in the step (b) is obtained by extracting the phytoplacenta cell culture of Taraxacum Coreanum obtained in the step (a) at 60° C. to 80° C. for 6 to 8 hours.