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Patent Assignment Assignor Details
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Assignor Name : CHOI, KIL-YEONG
Total Assignments: 18
Assignment: 1
Reel/Frame:005641/0337   Pages: 4
Recorded: 03/11/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LEE, KWANG-SUP
Exec Dt:
03/04/1991
2
CHOI, KIL-YEONG
Exec Dt:
03/04/1991
3
WON, JONG CHAN
Exec Dt:
03/04/1991
4
PARK, BYOUNG KYEU
Exec Dt:
03/04/1991
5
LEE, IN TAE
Exec Dt:
03/04/1991
Assignees
1
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
100, JANG-DONG, YUSEONG-GU
TAEJEON, KOREA, REPUBLIC OF
2
CHEIL INDUSTRIES INC.
105 CHIMSAN-DONG, BUK-GU
DAEGU, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5212277
NONE
07638992
Correspondence name and address
DAVID W. BRINKMAN
CUSHMAN, DARBY & CUSHMAN
1615 L ST., N.W., 11TH FLOOR
WASHINGTON, D.C. 20036-5601
Assignment: 2
Reel/Frame:006124/0179   Pages: 3
Recorded: 05/12/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHOI, KIL-YEONG
Exec Dt:
05/04/1992
2
YI, MI HIE
Exec Dt:
05/04/1992
Assignee
1
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
100, JANG-DONG, YUSONG-KU
DAEJEON, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5243010
NONE
07852075
Correspondence name and address
CUSHMAN, DARBY & CUSHMAN
1615 L ST., N.W., 11TH FL
WASHINGTON, DC 20036-5601
Assignment: 3
Reel/Frame:006242/0579   Pages: 6
Recorded: 08/31/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CHOI, KIL-YEONG
Exec Dt:
06/16/1992
Assignee
1
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
100 JANG-DONG, YUSEONA-KU
DAEJION, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5241037
NONE
07909319
Correspondence name and address
WILLIAM R. EVANS
LADAS & PARRY
26 WEST 61ST. ST.
NEW YORK, NY 10023
Assignment: 4
Reel/Frame:007103/0556   Pages: 10
Recorded: 08/19/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, KIL-YEONG
Exec Dt:
08/02/1994
2
YI, MI-HIE
Exec Dt:
08/02/1994
3
LEE, JAE-HEUNG
Exec Dt:
08/02/1994
4
HONG, YOUNG-TAIK
Exec Dt:
08/02/1994
5
JIN, MOON-YOUNG
Exec Dt:
08/02/1994
Assignee
1
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
100 JAN-DONG, YUSEONG-KU
DAEJEON, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5521276
NONE
08263470
Correspondence name and address
WILLIAM R. EVANS
LADAS & PARRY
26 WEST 61ST STREET
NEW YORK, NY 10023
Assignment: 5
Reel/Frame:007561/0537   Pages: 9
Recorded: 07/21/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, KIL-YEONG
Exec Dt:
02/28/1995
2
SUH, DONG-HACK
Exec Dt:
02/28/1995
3
YI, MI-HIE
Exec Dt:
02/28/1995
4
HONG, YOUNG-TAIK
Exec Dt:
02/28/1995
5
WON, JONG-CHAN
Exec Dt:
02/28/1995
Assignee
1
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
100 JAN-DONG, YUSEONG-KU
DAEJEON, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5532334
NONE
08339391
Correspondence name and address
LADAS & PARRY
WILLIAM R. EVANS
26 WEST 61ST STREET
NEW YORK, NY 10023
Assignment: 6
Reel/Frame:007630/0635   Pages: 9
Recorded: 09/11/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, KIL-YEONG
Exec Dt:
08/16/1995
2
JIN, MOON-YOUNG
Exec Dt:
08/16/1995
3
KIM, YOUNG-WUN
Exec Dt:
08/16/1995
Assignee
1
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
100 JANG-DONG, YUSEONG-KU
DAEJEON, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5693744
NONE
08492988
Correspondence name and address
PAUL B. WEST
C/O LADAS & PARRY
26 WEST 61ST STREET
NY, NY 10023
Assignment: 7
Reel/Frame:008731/0352   Pages: 3
Recorded: 09/29/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, KIL-YEONG
Exec Dt:
09/03/1997
2
SUH, DONG-HACK
Exec Dt:
09/03/1997
3
HONG, YOUNG-TAIK
Exec Dt:
09/03/1997
4
PARK, SANG-HYUN
Exec Dt:
09/03/1997
Assignee
1
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
100 JANG-DONG, YUSEONG-KU
DAEJEON, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5919942
NONE
08879977
Correspondence name and address
LADAS & PARY
JOHN PALMER
5670 WILSHIRE BOULEVARD, #2100
LOS ANGELES, CALIFORNIA 90036-5679
Assignment: 8
Reel/Frame:008826/0216   Pages: 3
Recorded: 11/21/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, KIL-YEONG
Exec Dt:
10/17/1997
2
SUH, DONG-HACK
Exec Dt:
10/17/1997
3
HONG, YOUNG-TAIK
Exec Dt:
10/17/1997
4
CHUNG, EUN-YOUNG
Exec Dt:
10/17/1997
Assignee
1
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
100 JAN-DONG YUSEONG-KU
DAEJEON, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6018055
NONE
08892707
Correspondence name and address
LADAS & PARRY
JOHN PALMER
5670 WILSHIRE BOULEVARD, #2100
LOS ANGELES, CA 90036
Assignment: 9
Reel/Frame:009301/0226   Pages: 3
Recorded: 07/10/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, KIL-YEONG
Exec Dt:
07/02/1998
2
YI, MI-HIE
Exec Dt:
07/02/1998
3
JIN, MOON-YOUNG
Exec Dt:
07/02/1998
4
IHM, DAE-WOO
Exec Dt:
07/02/1998
5
OH, JAE-MIN
Exec Dt:
07/02/1998
Assignee
1
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
100, JANG-DONG, YUSUNG-KU
DAEJEON 305-343, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6013760
NONE
09086385
Correspondence name and address
FINNEGAN, HENDESON, FARABOW ET AL
ERNEST F. CHAPMAN
1300 I STREET, N.W.
WASHINGTON, DC 20005
Assignment: 10
Reel/Frame:009303/0185   Pages: 2
Recorded: 07/10/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, KIL-YEONG
Exec Dt:
07/02/1998
2
YI, MI-HIE
Exec Dt:
07/02/1998
3
HUANG, WENXI
Exec Dt:
07/02/1998
Assignee
1
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
100, JANG-DONG, YUSUNG-KU
DAEJONG 305-343, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6031067
NONE
09086387
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW, ET AL.
ERNEST F. CHAPMAN
1300 I STREET, NW
WASHINGTON, DC 20005
Assignment: 11
Reel/Frame:009563/0182   Pages: 3
Recorded: 11/05/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, KIL-YEONG
Exec Dt:
10/15/1998
2
YI, MI-HIE
Exec Dt:
10/15/1998
3
JIN, MOON YOUNG
Exec Dt:
10/15/1998
4
JUNG, JIN TAE
Exec Dt:
10/15/1998
5
KOO, JEONG GHI
Exec Dt:
10/15/1998
6
CHO, JAE EUN
Exec Dt:
10/15/1998
Assignee
1
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
100, JANG-DONG
YUSUNG-KU, DAEJEON 305-343, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6046303
NONE
09151722
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW, ET AL.
ERNEST F. CHAPMAN
1300 I STREET, NW
WASHINGTON, DC 20005
Assignment: 12
Reel/Frame:009577/0415   Pages: 3
Recorded: 11/12/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, KIL-YEONG
Exec Dt:
11/02/1998
2
YI, MI-HIE
Exec Dt:
11/02/1998
3
JIN, MOON-YOUNG
Exec Dt:
11/02/1998
Assignee
1
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
100, JANG-DONG, YUSUNG-KU
DAEJEON 305-343, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6162893
NONE
09138377
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW, ET AL.
ERNEST F. CHAPMAN
1300 I STREET, N.W.
WASHINGTON, D.C. 20005
Assignment: 13
Reel/Frame:010938/0401   Pages: 2
Recorded: 06/28/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, KIL-YEONG
Exec Dt:
06/15/2000
2
LEE, JAE H.
Exec Dt:
06/15/2000
3
HONG, YOUNG-TAIK
Exec Dt:
06/15/2000
4
JIN, MOON Y.
Exec Dt:
06/15/2000
5
CHOI, KYOUNG-SU
Exec Dt:
06/15/2000
6
PARK, HO-JIN
Exec Dt:
06/15/2000
Assignee
1
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
100, JANG-DONG, YUSUNG-KU 305-343
DAEJEON, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6433184
NONE
09605026
Correspondence name and address
WHITHAM, CURTIS & WHITHAM
C. LAMONT WHITHAM, ESQ.
RESTON INTERNATIONAL CENTER
11800 SUNRISE VALLEY DRIVE, SUITE 900
RESTON, VA 20191
Assignment: 14
Reel/Frame:011102/0200   Pages: 2
Recorded: 09/21/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, KIL-YEONG
Exec Dt:
07/05/2000
2
LEE, JAE HEUNG
Exec Dt:
07/05/2000
3
LEE, SUNG-GOO
Exec Dt:
07/05/2000
4
PARK, SANG HYUN
Exec Dt:
07/05/2000
5
KO, YOUNG CHAN
Exec Dt:
07/05/2000
6
CHOI, IL SEOK
Exec Dt:
07/05/2000
7
YOON, KWANG SOO
Exec Dt:
07/05/2000
Assignee
1
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY AND S-OIL CORPORATION
NO. 100, JANG-DONG, YUSUNG-KU
DAEJEON, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6232432
NONE
09605394
Correspondence name and address
MCGUIRE WOODS LLP
MICHAEL E. WHITHAAM
1750 TYSONS BOULEVARD
MCLEAN, VA 22102
Assignment: 15
Reel/Frame:011655/0356   Pages: 3
Recorded: 03/27/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, KIL-YEONG
Exec Dt:
03/12/2001
2
JIN, MOON YOUNG
Exec Dt:
03/12/2001
3
WON, JONG CHAN
Exec Dt:
03/12/2001
4
CHOI, SANG YEOL
Exec Dt:
03/12/2001
Assignee
1
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
100, JANG-DONG, YUSUNG-KU
305-343, DAEJEON, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6582879
US20030064315
09817273
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW, ET AL
MR. ERNEST F. CHAPMAN
1300 I STREET, N.W.
WASHINGTON, D.C. 20005-3315
Assignment: 16
Reel/Frame:011984/0813   Pages: 4
Recorded: 07/11/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KO, YOUNG CHAN
Exec Dt:
07/02/2001
2
CHOI, II SEOK
Exec Dt:
07/02/2001
3
KIM, CHEOL-KYUN
Exec Dt:
07/02/2001
4
YOON, KWANG SOO
Exec Dt:
07/02/2001
5
KIM, SEUONG-JOO
Exec Dt:
07/02/2001
6
CHOI, KIL-YEONG
Exec Dt:
07/02/2001
7
LEE, JAE HEUNG
Exec Dt:
07/02/2001
8
LEE, KYONG SOON
Exec Dt:
07/03/2001
Assignees
1
KOREA RESEARCH INSTITUE OF CHEMICAL TECHNOLOGY
100, JANG-DONG, YUSUNG-KU
DAEJEON 305-343, KOREA, REPUBLIC OF
2
S-OIL CORPORATION
23-2 YUIDO-DONG, YOUNGDEUNGPO-KU
SEOUL, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6423812
US20020022711
09901727
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW, ET AL
MR. ERNEST F. CHAPMAN
1300 I STREET, N.W.
WASHINGTON, DC 20005-3315
Assignment: 17
Reel/Frame:011989/0480   Pages: 2
Recorded: 07/13/2001
Conveyance: INVALID ASSIGNMENT, SEE RECORDING AT REEL 012027, FRAME 0079. (RE-RECORDED TO ADD AN OMITTED PAGES)
Assignors
1
CHOI, KIL-YEONG
Exec Dt:
07/02/2001
2
LEE, JAE HEUNG
Exec Dt:
07/02/2001
3
KO, YOUNG CHAN
Exec Dt:
07/02/2001
4
CHOI, II, SEOK
Exec Dt:
07/02/2001
5
KIM, CHEOL-HYUN
Exec Dt:
07/02/2001
6
YOON, KWANG SOO
Exec Dt:
07/02/2001
7
LEE, KYONG SOON
Exec Dt:
07/03/2001
Assignees
1
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
100, JANG-DONG, YUSUNG-KU
DAEJEON 305-343, KOREA, REPUBLIC OF
2
S-OIL CORPORATION
23-2 YUIDO-DONG, YOUNGDEUNGPO-KU
SEOUL, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6525109
US20020022675
09903602
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW, ET AL
MR. ERNEST F. CHAPMAN
1300 I STREET, N.W.
WASHINGTON, DC 20005-3315
Assignment: 18
Reel/Frame:012027/0079   Pages: 4
Recorded: 07/13/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, KIL-YEONG
Exec Dt:
07/02/2001
2
LEE, JAE HEUNG
Exec Dt:
07/02/2001
3
KO, YOUNG CHAN
Exec Dt:
07/02/2001
4
CHOI, IL SEOK
Exec Dt:
07/02/2001
5
KIM, CHEOL-HYUN
Exec Dt:
07/02/2001
6
YOON, KWANG SOO
Exec Dt:
07/02/2001
7
LEE, KYONG SOON
Exec Dt:
07/03/2001
Assignees
1
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
100, JANG-DONG, YUSUNG-KU
DAEJEON 305-343, KOREA, REPUBLIC OF
2
S-OIL CORPORATION
23-2 YUIDO-DONG, YOUNGDEUNGPO-KU
SEOUL, KOREA, REPUBLIC OF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6525109
US20020022675
09903602
Correspondence name and address
FINNEGAN HENDERSON FARABOW GARRETT &
DUNNER, LLP - MR. ERNEST F. CHAPMAN
1300 I STREET, NW
WASHINGTON, D.C. 20005-3315

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