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Patent Assignment Assignor Details
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Assignor Name : HELMER-METZMANN, FREDDY
Total Assignments: 8
Assignment: 1
Reel/Frame:006454/0578   Pages: 2
Recorded: 02/24/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
YANG, DAZHONG
Exec Dt:
02/10/1993
2
MAIER, GERHARD
Exec Dt:
02/10/1993
3
NUYKEN, OSKAR
Exec Dt:
02/10/1993
4
BREKNER, MICHAEL-JOACHIM
Exec Dt:
02/10/1993
5
HELMER-METZMANN, FREDDY
Exec Dt:
02/10/1993
Assignee
1
HOECHST AKTIENGESELLSCHAFT
6230 FRANKFURT AM MAIN 80, GERMANY
Property
 
Pat #
Pub #
Intl #
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5373081
NONE
08021894
Correspondence name and address
WILLIAM F. LAWRENCE
CURTIS, MORRIS & SAFFORD, P.C.
530 FIFTH AVENUE
NEW YORK, NEW YORK 10036
Assignment: 2
Reel/Frame:006594/0489   Pages: 3
Recorded: 06/09/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HELMER-METZMANN, FREDDY
Exec Dt:
05/21/1993
2
OSAN, FRANK
Exec Dt:
05/21/1993
Assignee
1
HOECHST AKTIENGESELLSCHAFT
6230 FRANKFURT AM MAIN 80 FEDERAL REPUBLIC OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5362836
NONE
08073878
Correspondence name and address
CURTIS, MORRIS & SAFFORD, P.C.
WILLIAM F. LAWRENCE
530 FIFTH AVENUE
NEW YORK, NEW YORK 10036
Assignment: 3
Reel/Frame:006666/0372   Pages: 5
Recorded: 08/09/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HELMER-METZMANN, FREDDY
Exec Dt:
07/19/1993
2
OSAN, FRANK
Exec Dt:
07/19/1993
3
SCHNELLER, ARNOLD
Exec Dt:
07/19/1993
4
RITTER, HELMUT
Exec Dt:
07/14/1993
5
LEDJEFF, KONSTANTIN
Exec Dt:
07/05/1993
6
NOLTE, ROLAND
Exec Dt:
07/05/1993
7
THORWIRTH, RALF
Exec Dt:
07/14/1993
Assignee
1
HOECHST AKTIENGESELLSCHAFT
ZENTRALE PATENTABTEILUNG, GEBAUDE F 821 FEDERAL REPUBLIC OF GERMANY
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5438082
NONE
08075219
Correspondence name and address
WILLIAM F. LAWRENCE
CURTIS, MORRIS & SAFFORD, P.C.
530 FIFTH AVENUE
NEW YORK, NY 10036
Assignment: 4
Reel/Frame:006996/0284   Pages: 3
Recorded: 05/05/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WAGENER, REINHARD
Exec Dt:
04/07/1994
2
HELMER-METZMANN, FREDDY
Exec Dt:
04/07/1994
3
HERRMANN-SCHONHERR, OTTO
Exec Dt:
04/07/1994
Assignee
1
HOECHST AKTIENGESELLSCHAFT
65956 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5505851
NONE
08173997
Correspondence name and address
CURTIS, MORRIS & SAFFORD, P.C.
WILLIAM F. LAWRENCE
530 FIFTH AVENUE
NEW YORK, NY 10036
Assignment: 5
Reel/Frame:007484/0244   Pages: 2
Recorded: 05/02/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TETZLAFF, KARL-HEINZ
Exec Dt:
03/21/1995
2
WALZ, RUDIGER
Exec Dt:
03/21/1995
3
HELMER-METZMANN, FREDDY
Exec Dt:
03/21/1995
Assignee
1
HOECHST AKTIENGESELLSCHAFT
BUILDING K 801
PATENT AND LICENSING DEPARTMENT
FRANKFURT AM MAIN, GERMANY D-659
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5656389
NONE
08432990
Correspondence name and address
CURTIS, MORRIS & SAFFORD, P.C.
WILLIAM F. LAWRENCE
530 FIFTH AVENUE
NEW YORK, NY 10036
Assignment: 6
Reel/Frame:008195/0076   Pages: 2
Recorded: 09/30/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AULBACH, MICHAEL
Exec Dt:
06/21/1996
2
KUBER, FRANK
Exec Dt:
06/26/1996
3
RIEDEL, MICHAEL
Exec Dt:
06/20/1996
4
HELMER-METZMANN, FREDDY
Exec Dt:
06/27/1996
Assignee
1
HOECHST AG
D-65926 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6063949
NONE
08665923
Correspondence name and address
CONNOLLY AND HUTZ
ASHLEY I. PEZZNER
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 7
Reel/Frame:009373/0068   Pages: 2
Recorded: 06/24/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HELMER-METZMANN, FREDDY
Exec Dt:
03/30/1998
2
SCHLEICHER, ANDREAS
Exec Dt:
04/02/1998
3
SCHNELLER, ARNOLD
Exec Dt:
03/30/1998
4
WITTELER, HELMUT
Exec Dt:
04/15/1998
Assignee
1
HOECHST RESEARCH & TECHNOLOGY DEUTSCHLAND GMBH & CO. KG
D-65926 FRANKFURT AM MAIN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6096856
NONE
08983626
Correspondence name and address
FROMMER LAWRENCE & HAUG LLP
WILLIAM F.LAWRENCE
745 FIFTH AVENUE
NEW YORK, NY 10151
Assignment: 8
Reel/Frame:009462/0711   Pages: 2
Recorded: 09/10/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HATKE, DR. WILFRIED
Exec Dt:
04/30/1998
2
HELMER-METZMANN, FREDDY
Exec Dt:
05/25/1998
3
JACOBS, ALEXANDRA
Exec Dt:
05/25/1998
Assignee
1
TICONA GMBH
D-65451 KELSTERBACH, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6239187
NONE
09066356
Correspondence name and address
FROMMER LAWRENCE & HAUG LLP
WILLIAM F. LAWRENCE
745 FIFTH AVENUE
NEW YORK, NY 10151

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