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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
6232511
Issue Dt:
05/15/2001
Application #:
09424979
Filing Dt:
12/02/1999
Inventors:
THOMAS HAAS, DAHAI YU, JORG SAUER, DIETRICH ARNTZ, ANDREAS FREUND, THOMAS TACKE
Title:
PROCESS FOR THE PRODUCTION OF 1,3-PROPANEDIOL BY HYDROGENATING 3 - HYDROXYPROPIONALDEHYDE
Assignment: 1
Reel/Frame:
010558/0568Recorded: 12/02/1999Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
HAAS, THOMAS
Exec Dt:
07/30/1998
YU, DAHAI
Exec Dt:
09/30/1998
SAUER, JORG
Exec Dt:
08/03/1998
ARNTZ, DIETRICH
Exec Dt:
09/30/1998
FREUND, ANDREAS
Exec Dt:
09/14/1998
TACKE, THOMAS
Exec Dt:
09/23/1998
Assignee:
E.I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
Correspondent:
E.I. DU PONT DE NEMOURS AND COMPANY
GEORGE M. MEDWICK
LEGAL PATENTS
1007 MARKET STREET
WILMINGTON, DE 19898
Assignment: 2
Reel/Frame:
011308/0145Recorded: 02/13/2001Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
HAAS, THOMAS
Exec Dt:
07/30/1998
YU, DAHAI
Exec Dt:
08/08/1998
SAUER, JORG
Exec Dt:
08/03/1998
ARNTZ, DIETRICH
Exec Dt:
09/30/1998
FREUND, ANDREAS
Exec Dt:
09/14/1998
TACKE, THOMAS
Exec Dt:
09/23/1998
Assignee:
E. I. DU PONT DE NEMOURS AND COMPANY
LEGAL PATENTS
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
Correspondent:
E. I. DU PONT DE NEMOURS AND COMPANY
MARK D. KULLER
LEGAL-PATENTS
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
Assignment: 3
Reel/Frame:
011433/0067Recorded: 01/08/2001Pages: 3
Conveyance:
RE-RECORD TO CORRECT THE EXECUTION DATE OF THE SECOND CONVEYING PARTY, PREVIOUSLY RECORDED ON REEL 010558 FRAME 0568, ASSIGNOR CONFIRMS THE ASSIGNMENT OF THE ENTIRE INTEREST.
Assignors:
HAAS, THOMAS
Exec Dt:
07/30/1998
YU, DAHAI
Exec Dt:
08/08/1998
SAUER, JORG
Exec Dt:
08/03/1998
ARNTZ, DIETRICH
Exec Dt:
09/30/1998
FREUND, ANDREAS
Exec Dt:
09/14/1998
TACKE, THOMAS
Exec Dt:
09/23/1998
Assignee:
E. I. DU PONT DE NEMOURS AND COMPANY
LEGAL PATENT
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
Correspondent:
E. I. DU PONT DE NEMOURS AND COMPANY
GEORGE M. MEDWICK
LEGAL - PATENTS
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
Assignment: 4
Reel/Frame:
009640/0364Recorded: 12/14/1998Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
AG, DEGUSSA
Exec Dt:
09/28/1998
Assignee:
E.I. DUPONT DE NEMOURS AND COMPANY
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
Correspondent:
PILLSBURY MADISON & SUTRO LLP
RUTH N. MORDUCH
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918

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