Ryoo; Hee Chang

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ryoo; Hee Chang.The latest application filed is for "method for preparing multilayer lamellar liquid crystal emulsion including intercellular lipids".

Company Profile

0.4.5

Ryoo; Hee Chang - Seoul KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method for preparing multilayer lamellar liquid crystal emulsion including intercellular lipids Grant 9,949,900 - Lee , et al. April 24, 2	2018-04-24
Method for preparing nanoemulsion Grant 9,687,423 - Lee , et al. June 27, 2	2017-06-27
Method for preparing macroporous polymethyl methacrylate Grant 9,688,832 - Lee , et al. June 27, 2	2017-06-27
Method For Preparing Multilayer Lamellar Liquid Crystal Emulsion Including Intercellular Lipids App 20160213579 - LEE; Jun Bae ; et al.	2016-07-28
Method For Preparing Nanoemulsion App 20160199269 - LEE; Jun Bae ; et al.	2016-07-14
Method For Preparing Macroporous Polymethyl Methacrylate App 20160009892 - LEE; Jun Bae ; et al.	2016-01-14
Method for the improvement of skin wrinkles using retinyl retinoate Grant 7,173,062 - Roh , et al. February 6, 2	2007-02-06
Whitening and antionxidative cosmetic composition containing resveratrol and method for preparing the same App 20070009455 - Kim; Hyo-Jung ; et al.	2007-01-11
Retinol derivatives and process for preparing same App 20040062781 - Roh, Young-Soy ; et al.	2004-04-01

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