Yi; Youn Kyu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yi; Youn Kyu.The latest application filed is for "method of inhibiting degradation of dsx extractant by auxiliary means".

Company Profile

8.9.8

Yi; Youn Kyu - Wonju-si 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 of inhibiting degradation of extractant by anhydrous environment avoiding and metal stripping Grant 11,359,260 - An , et al. June 14, 2	2022-06-14
Method of inhibiting degradation of DSX extractant by auxiliary means Grant 11,359,258 - An , et al. June 14, 2	2022-06-14
Method of inhibiting extractant degradation by controlling extractive capacity and preventing direct degradation Grant 11,274,047 - An , et al. March 15, 2	2022-03-15
Method for inhibiting extractant degradation of DSX process through metal extraction control Grant 11,254,584 - An , et al. February 22, 2	2022-02-22
Method for inhibiting extractant degradation of DSX process through manganese extraction control Grant 11,203,531 - An , et al. December 21, 2	2021-12-21
Method for recovering valuable metal sulfides Grant 11,186,492 - Lee , et al. November 30, 2	2021-11-30
Method for inhibiting extractant degradation by diluent and extractant input method Grant 11,168,003 - An , et al. November 9, 2	2021-11-09
Method for measuring the concentration of aliphatic hydroxy oxime and neodecanoic acid by gas chromatography Grant 11,169,127 - Lee , et al. November 9, 2	2021-11-09
Method Of Inhibiting Degradation Of Dsx Extractant By Auxiliary Means App 20210062293 - AN; Jeon Woong ; et al.	2021-03-04
Method Of Inhibiting Degradation Of Extractant By Anhydrous Environment Avoiding And Metal Stripping App 20210062297 - AN; Jeon Woong ; et al.	2021-03-04
Method For Inhibiting Extractant Degradation Of Dsx Process Through Manganese Extraction Control App 20210024366 - AN; Jeon Woong ; et al.	2021-01-28
Method Of Inhibiting Extractant Degradation By Controlling Extractive Capacity And Preventing Direct Degradation App 20210024369 - AN; Jeon Woong ; et al.	2021-01-28
Method For Inhibiting Extractant Degradation By Diluent And Extractant Input Method App 20210024368 - AN; Jeon Woong ; et al.	2021-01-28
Method For Inhibiting Extractant Degradation Of Dsx Process Through Metal Extraction Control App 20210024367 - AN; Jeon Woong ; et al.	2021-01-28
Method For Measuring The Concentration Of Aliphatic Hydroxy Oxime And Neodecanoic Acid By Gas Chromatography App 20200386727 - LEE; Seung Ho ; et al.	2020-12-10
Method For Recovering Valuable Metal Sulfides App 20200283305 - LEE; Seung Ho ; et al.	2020-09-10
Method for measuring bis(2,4,4-trimethylpentyl) phosphinic acid concentration by ICP-OES Grant 10,753,879 - Lee , et al. A	2020-08-25

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.