Kwon; Ik-Hyeon

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kwon; Ik-Hyeon.The latest application filed is for "process for refining nitrogen trifluoride gas using alkali earth metal exchanged and impregnated zeolite".

Company Profile

0.8.16

Kwon; Ik-Hyeon - Seoul KR
Kwon; Ik-Hyeon - Kyonggi-do KR
Kwon; Ik Hyeon - Gyeonggi-Do 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
Process for refining nitrogen trifluoride gas using alkali earth metal exchanged zeolite Grant 7,842,125 - Park , et al. November 30, 2	2010-11-30
Process for refining nitrogen trifluoride gas using alkali earth metal exchanged and impregnated zeolite Grant 7,637,986 - Park , et al. December 29, 2	2009-12-29
Flame-retardant polyester polymer dyeable with cationic dye, method of producing the same, and copolyester fiber using the same Grant 7,399,799 - Yang , et al. July 15, 2	2008-07-15
Process For Refining Nitrogen Trifluoride Gas Using Alkali Earth Metal Exchanged And Impregnated Zeolite App 20080087166 - Park; Yong-Chul ; et al.	2008-04-17
Process for preparing polyketone App 20080058494 - Shim; Jae-Yoon ; et al.	2008-03-06
Process for producing polyketone App 20080058493 - Kwon; Ik-Hyeon ; et al.	2008-03-06
Process for Preparing Antimicrobial Elastic Fiber App 20070292684 - Song; Byung Su ; et al.	2007-12-20
High tenacity polyethylene-2, 6-naphthalate fibers App 20070116951 - Kwon; Ik-Hyeon ; et al.	2007-05-24
Solution containing cellulose dissolved in N-methylmorpholine-N-oxide and high tenacity lyocell multifilament using the same Grant 7,214,727 - Kwon , et al. May 8, 2	2007-05-08
Solution containing cellulose dissolved in N-methylmorpholine-N-oxide and high tenacity lyocell multifilament using the same Grant 7,214,335 - Kwon , et al. May 8, 2	2007-05-08
Process for preparing elastic fiber having high modulus, alkali-resistance and heat-resistance App 20070059523 - Kang; Yeon Soo ; et al.	2007-03-15
Homogeneous cellulose solution and high tenacity lyocell multifilament using the same Grant 7,097,344 - Kwon , et al. August 29, 2	2006-08-29
High tenacity polyethylene-2,6-naphthalate fibers App 20060180261 - Kwon; Ik-Hyeon ; et al.	2006-08-17
Homogenous cellulose solution and high tenacity lyocell multifilament using the same App 20060076704 - Kwon; Ik-Hyeon ; et al.	2006-04-13
Solution containing cellulose dissolved in N-methylmorpholine-N-oxide and high tenacity lyocell multifilament using the same App 20060057378 - Kwon; Ik-Hyeon ; et al.	2006-03-16
Flame-retardant polyester polymer dyeable with cationic dye, method of producing the same, and copolyester fiber using the same App 20060052574 - Yang; Seung-Cheol ; et al.	2006-03-09
High tenacity polyethylene-2, 6-naphthalate fibers having excellent processability Grant 6,955,854 - Kwon , et al. October 18, 2	2005-10-18
Jomogeneous celllulose solution and high tenacity lyocell multilament using the same App 20050160939 - Kwon, Ik-Hyeon ; et al.	2005-07-28
Solution containing cellulose dissolved in n-methylmorpholine-n-oxide and high tenacity lyocell multifilament using the same App 20050154093 - Kwon, Ik-Hyeon ; et al.	2005-07-14
High tenacity polyethylene-2,6-naphthalate fibers App 20050148756 - Kwon, Ik-Hyeon ; et al.	2005-07-07
Lyocell multifilament Grant 6,902,804 - Kwon , et al. June 7, 2	2005-06-07
Crosslinked polyvinyl alcohol fiber and method for producing the same App 20050118419 - Kwon, Ik-Hyeon ; et al.	2005-06-02
Lyocell multifilament App 20050019564 - Kwon, Ik-Hyeon ; et al.	2005-01-27
High tenacity polyethylene-2, 6-naphthalate fibers having excellent processability App 20040265578 - Kwon, Ik-Hyeon ; et al.	2004-12-30

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