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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
7637986
Issue Dt:
12/29/2009
Application #:
11631658
Filing Dt:
01/05/2007
Publication #:
20080087166
Pub Dt:
04/17/2008
Inventors:
Yong-Chul Park, Woo-Sik Jeong, Kwang-Chul Hyun, Jang-Won Lee, Ik-Hyeon Kwon
Title:
PROCESS FOR REFINING NITROGEN TRIFLUORIDE GAS USING ALKALI EARTH METAL EXCHANGED AND IMPREGNATED ZEOLITE
Assignment: 1
Reel/Frame:
018776/0670Recorded: 01/05/2007Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
PARK, YONG-CHUL
Exec Dt:
12/26/2006
JEONG, WOO-SIK
Exec Dt:
12/26/2006
HYUN, KWANG-CHUL
Exec Dt:
12/26/2006
LEE, JANG-WON
Exec Dt:
12/26/2006
KWON, IK-HYEON
Exec Dt:
12/28/2006
Assignee:
HYOSUNG CORPORATION
450, GONGDEOK-DONG
MAPO-GU, SEOUL 121-020, KOREA, REPUBLIC OF
Correspondent:
THOMAS J. D'AMICO
DICKSTEIN SHAPIRO LLP
1825 EYE STREET, NW
WASHINGTON, DC 20006-5403
Assignment: 2
Reel/Frame:
047776/0052Recorded: 10/18/2018Pages: 12
Conveyance:
CHANGE OF ADDRESS
Assignor:
HYOSUNG CORPORATION
Exec Dt:
08/01/2018
Assignee:
HYOSUNG CORPORATION
119, MAPO-DAERO, MAPO-GU
SEOUL, KOREA, REPUBLIC OF 04144
Correspondent:
HAMRE, SCHUMANN, MUELLER & LARSON, P.C.
45 SOUTH SEVENTH STREET, SUITE 2700
MINNEAPOLIS, MN 55402
Assignment: 3
Reel/Frame:
047841/0075Recorded: 12/21/2018Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
HYOSUNG CORPORATION
Exec Dt:
09/21/2018
Assignee:
HYOSUNG CHEMICAL CORPORATION
235, BANPO-DAERO, SEOCHO-GU
SEOUL, KOREA, REPUBLIC OF 06578
Correspondent:
HAMRE, SCHUMANN, MUELLER & LARSON, P.C.
45 SOUTH SEVENTH STREET, SUITE 2700
MINNEAPOLIS, MN 55402

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