skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : TSCHANG, CHUNG-JI
Total Assignments: 19
Assignment: 1
Reel/Frame:004226/0596   Pages: 1
Recorded: 02/29/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
TSCHANG, CHUNG-JI
Exec Dt:
02/12/1980
2
KLEFENZ, HEINRICH
Exec Dt:
02/11/1980
3
SANNER, AXEL
Exec Dt:
02/12/1980
4
ZAHN, WOLFGANG
Exec Dt:
02/11/1980
Assignee
1
BASF AKTIENGESELLSCHAFT
RHEINLAND-PFALZ
6700 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4461832
NONE
06376597
Correspondence name and address
KEIL & WITHERSPOON
1101 CONN. AVE., N. W.
WASHINGTON, DC 20036
Assignment: 2
Reel/Frame:004428/0228   Pages: 1
Recorded: 07/17/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
TSCHANG, CHUNG-JI
Exec Dt:
05/13/1985
2
MARCINOWSKI, STEFAN
Exec Dt:
05/13/1985
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4551482
NONE
06507108
Correspondence name and address
KEIL & WITHERSPOON
1101 CONNECTICUT AVENUE, N. W.
WASHINGTON, DC 20036
Assignment: 3
Reel/Frame:004628/0658   Pages: 1
Recorded: 11/12/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
TSCHANG, CHUNG-JI
Exec Dt:
09/13/1985
2
MESSMER, KARLHEINZ
Exec Dt:
09/13/1985
3
DENZINGER, WALTER
Exec Dt:
09/13/1985
Assignee
1
BASF AKTIENGESELLSCHAFT
RHEINLAND-PFALZ
6700 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4647637
NONE
06777327
Correspondence name and address
OBLON, FISHER, SPIVAK, MC CLELLAND &
MAIER
CRYSTAL SQUARE FIVE-STE. 400
1755 S. JEFFERSON DAVIS HWY.,
ARLINGTON, VA 22202
Assignment: 4
Reel/Frame:004637/0415   Pages: 1
Recorded: 11/26/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
TSCHANG, CHUNG-JI
Exec Dt:
09/13/1985
2
MESSMER, KARLHEINZ
Exec Dt:
09/13/1985
3
DENZINGER, WALTER
Exec Dt:
09/13/1985
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4658002
NONE
06777329
Correspondence name and address
OBLON, FISHER, SPIVAK, MC CLELLAND &
MAIER
CRYSTAL SQUARE FIVE-STE. 400
1755 S. JEFERSON DAVIS HWY.,
ARLINGTON, VA 22202
Assignment: 5
Reel/Frame:004860/0702   Pages: 1
Recorded: 04/27/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MARCINOWSKI, STEFAN
Exec Dt:
07/15/1986
2
SANNER, AXEL
Exec Dt:
07/15/1986
3
TSCHANG, CHUNG-JI
Exec Dt:
07/15/1986
4
LADNER, WOLFGANG
Exec Dt:
07/15/1986
5
GREIF, NORBERT
Exec Dt:
07/15/1986
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4767707
NONE
06889392
Correspondence name and address
KEIL & WEINKAUF
1101 CONN. AVE., N. W.
WASHINGTON, DC 20036
Assignment: 6
Reel/Frame:005072/0434   Pages: 1
Recorded: 05/05/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BRAUN, GEROLD
Exec Dt:
10/06/1987
2
TSCHANG, CHUNG-JI
Exec Dt:
10/06/1987
3
VAMVAKARIS, CHRISTOS
Exec Dt:
10/06/1987
4
GLASER, KLAUS
Exec Dt:
10/06/1987
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4855423
NONE
07106802
Correspondence name and address
OBLON, FISHER, SPIVAK, MCCLELLAND &
MAIER
CRYSTAL SQUARE FIVE - SUITE 400
1755 SOUTH JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 7
Reel/Frame:004994/0446   Pages: 1
Recorded: 12/23/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BRAUN, GEROLD
Exec Dt:
03/04/1988
2
TSCHANG, CHUNG-JI
Exec Dt:
03/04/1988
3
VAMVAKARIS, CHRISTOS
Exec Dt:
03/04/1988
4
GLASER, KLAUS
Exec Dt:
03/04/1988
Assignee
1
BASF AKTIENGESELLSCHAFT, 6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, FED. REP. OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4837330
NONE
07168241
Correspondence name and address
OBLON, FISHER, SPIVAK, MC CLELLAND &
MAIER
CRYSTAL SQUARE FIVE - SUITE 400
1755 SOUTH JEFFERSON DAVIS HWY
ARLINGTON, VA 22202
Assignment: 8
Reel/Frame:005203/0635   Pages: 1
Recorded: 01/03/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FIKENTSCHER, ROLF
Exec Dt:
05/31/1988
2
BRAUN, GEROLD
Exec Dt:
05/31/1988
3
TSCHANG, CHUNG-JI
Exec Dt:
05/31/1988
4
VAMVAKARIS, CHRISTOS
Exec Dt:
05/31/1988
5
KOHLHAUPT, REINHOLD
Exec Dt:
05/31/1988
Assignee
1
BASF AKTIENGESELLSCHAFT
LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY 6700
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4911888
NONE
07202244
Correspondence name and address
OBLON, FISHER, SPIVAK, MC CLELLAND
& MAIER, CRYSTAL SQUARE FIVE - SUITE 400
1755 SOUTH JEFF DAVIS HWY.,
ARLINGOTN, VA 22202
Assignment: 9
Reel/Frame:005289/0019   Pages: 3
Recorded: 05/08/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
TSCHANG, CHUNG-JI
Exec Dt:
12/09/1988
2
DIX, JOHANNES P.
Exec Dt:
12/09/1988
3
WINKLER, EKHARD
Exec Dt:
12/09/1988
4
GOTSMANN, GUENTHER
Exec Dt:
12/09/1988
5
GLASER, KLAUS
Exec Dt:
12/09/1988
6
FIKENTSCHER, ROLF
Exec Dt:
12/09/1988
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4940609
NONE
07288622
Correspondence name and address
OBLON, FISHER, SPIVAK, MC CLELLAND
& MAIER
CRYSTAL SQUARE FIVE - STE. 400
1755 SOUTH JEFFERSON DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 10
Reel/Frame:005525/0776   Pages: 2
Recorded: 12/07/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
TSCHANG, CHUNG-JI
Exec Dt:
12/09/1988
2
DIX, JOHANNES P.
Exec Dt:
12/09/1988
3
WINKLER, EKHARD
Exec Dt:
12/09/1988
4
GOTSMANN, GUENTHER
Exec Dt:
12/09/1988
5
GLASER, KLAUS
Exec Dt:
12/09/1988
6
FIKENTSCHER, ROLF
Exec Dt:
12/09/1988
Assignee
1
BASF AKTIENGESELLSCHAFT,
6700 LUDWIGSHAFEN,
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4997680
NONE
07288623
Correspondence name and address
OBLON, FISHER, SPIVAK, MC CLELLAND
& MAIER
CRYSTAL SQUARE FIVE - STE. 400
1755 SOUTH JEFFERSON DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 11
Reel/Frame:005365/0349   Pages: 2
Recorded: 06/19/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OFTRING, ALFRED
Exec Dt:
02/08/1989
2
TSCHANG, CHUNG-JI
Exec Dt:
02/08/1989
3
WINKLER, EKHARD
Exec Dt:
02/08/1989
4
GOTSMANN, GUENTHER
Exec Dt:
02/08/1989
5
GLASER, KLAUS
Exec Dt:
02/08/1989
Assignee
1
BASF AKTIENGESELLSCHAFT
RHEINLAND-PFALZ
6700 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4954369
NONE
07312926
Correspondence name and address
OBLON, FISHER, SPIVAK,
MC CLELLAND & MAIER
CRYSTAL SQUARE FIVE - STE., 400
1755 S. JEFF., DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 12
Reel/Frame:005846/0876   Pages: 3
Recorded: 09/12/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DEXHEIMER, EDWARD M.
Exec Dt:
06/27/1991
2
TSCHANG, CHUNG-JI
Exec Dt:
07/26/1991
Assignee
1
BASF CORPORATION
A CORP. OF DELAWARE
8 CAMPUS DRIVE
PARSIPPANY, NEW JERSEY 07054
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5141662
NONE
07719865
Correspondence name and address
JOHN F. LEVIS
100 CHERRY HILL RD.
PARSIPPANY, NJ 07054
Assignment: 13
Reel/Frame:007650/0902   Pages: 2
Recorded: 10/10/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWENDEMANN, VOLKER
Exec Dt:
11/12/1992
2
GLASER, KLAUS
Exec Dt:
11/12/1992
3
TSCHANG, CHUNG-JI
Exec Dt:
11/12/1992
4
BURKHART, BERND
Exec Dt:
11/12/1992
5
OFTRING, ALFRED
Exec Dt:
11/12/1992
6
DUNG, BERNHARD
Exec Dt:
11/12/1992
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5445727
NONE
08256374
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER &
NEUSTADT, P.C.
ROBERT F. GNUSE
1755 JEFFERSON DAVIS HWY., 4TH FLOOR
ARLINGTON, VA 22201
Assignment: 14
Reel/Frame:007751/0136   Pages: 2
Recorded: 10/05/1994
Conveyance: RERECORD TO CORRECT ERROR IN RECORDATION ON REEL 7650 FRAME 0902.
Assignors
1
SCHWENDEMANN, VOLKER
Exec Dt:
11/12/1992
2
GLASER, KLAUS
Exec Dt:
11/12/1992
3
TSCHANG, CHUNG-JI
Exec Dt:
11/12/1992
4
BURKHART, BERND
Exec Dt:
11/12/1992
5
OFTRING, ALFRED
Exec Dt:
11/12/1992
6
DUNG, BERNHARD
Exec Dt:
11/12/1992
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5445727
NONE
08256374
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER ET/AL.
NORMAN F. OBLON
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 15
Reel/Frame:007176/0378   Pages: 2
Recorded: 10/21/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAHN, ERWIN
Exec Dt:
08/30/1993
2
DUNG, BERNHARD
Exec Dt:
08/30/1993
3
BURKHART, BERND
Exec Dt:
08/30/1993
4
TSCHANG, CHUNG-JI
Exec Dt:
08/30/1993
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5421990
NONE
08140178
Correspondence name and address
C. IRVIN MCCLELLAND
OBLON, SPIVAK, MCCLELLAND, MAIER ET AL.
4TH FLR.
1755 JEFFERSON DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 16
Reel/Frame:008476/0555   Pages: 2
Recorded: 04/25/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STANGER, BERND
Exec Dt:
06/03/1995
2
KELLER, PETER
Exec Dt:
06/03/1995
3
HARTMANN, JUERGEN
Exec Dt:
06/03/1995
4
TSCHANG, CHUNG-JI
Exec Dt:
06/03/1995
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5994457
NONE
08737933
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND ET AL.
WILLIAM E. BEAUMONT
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 17
Reel/Frame:010179/0714   Pages: 3
Recorded: 08/10/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KELLER, ANDREAS
Exec Dt:
12/10/1997
2
LAWRENZ, SVEN
Exec Dt:
12/10/1997
3
BAUER, GERHARD
Exec Dt:
12/10/1997
4
SCHMIDT-THUEMMES, JUERGEN
Exec Dt:
12/10/1997
5
BAECHER, REINHARD
Exec Dt:
12/10/1997
6
HARTMANN, JUERGEN
Exec Dt:
12/19/1997
7
TSCHANG, CHUNG-JI
Exec Dt:
12/10/1997
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6271320
NONE
09308231
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER ET AL.
GEORGE F. LESMES
ATTORNEYS AT LAW, FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 18
Reel/Frame:014713/0230   Pages: 3
Recorded: 11/20/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIRSCH, STEFAN
Exec Dt:
02/06/2002
2
KELLER, ANDREAS
Exec Dt:
02/06/2002
3
MEISTER, MARTIN
Exec Dt:
02/06/2002
4
TSCHANG, CHUNG-JI
Exec Dt:
02/06/2002
5
FUNKHAUSER, STEFFEN
Exec Dt:
02/06/2002
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040048969
10470106
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER, ET AL
SURINDER SACHAR
1940 DUKE STREET
ALEXANDRIA, VIRGINIA 22314
Assignment: 19
Reel/Frame:021178/0866   Pages: 3
Recorded: 07/01/2008
Attorney Dkt #:273621US0PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHMIDT-THUEMMES, JUERGEN
Exec Dt:
02/25/2004
2
HARTMANN, JUERGEN
Exec Dt:
02/25/2004
3
TSCHANG, CHUNG-JI
Exec Dt:
02/25/2004
Assignee
1
BASF AKTIENGESELLSCHAFT
.
LUDWIGSHAFEN, GERMANY 67056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060148981
10541206
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314

Search Results as of: 05/10/2024 08:24 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT