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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
7511176
Issue Dt:
03/31/2009
Application #:
12001879
Filing Dt:
12/13/2007
Publication #:
20080146847
Pub Dt:
06/19/2008
Inventors:
Fritz Pohl, Wolfgang Lorenz, Lars Padeken, Bernd Pennemann, Friedhelm Steffens et al
Title:
PROCESS FOR THE PREPARATION OF TOLUENEDIAMINES BY CATALYTIC HYDROGENATION OF DINITROTOLUENES
Assignment: 1
Reel/Frame:
020289/0786Recorded: 12/13/2007Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
POHL, FRITZ
Exec Dt:
11/13/2007
LORENZ, WOLFGANG
Exec Dt:
11/14/2007
PADEKEN, LARS
Exec Dt:
11/15/2007
PENNEMANN, BERND
Exec Dt:
11/16/2007
STEFFENS, FRIEDHELM
Exec Dt:
11/15/2007
WIECHERS, GERHARD
Exec Dt:
11/16/2007
Assignee:
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Correspondent:
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 2
Reel/Frame:
038399/0306Recorded: 03/30/2016Pages: 52
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
BAYER MATERIALSCIENCE AG
Exec Dt:
09/01/2015
Assignee:
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Correspondent:
DONALD R. PALLADINO
1 COVESTRO CIRCLE
BLDG. 4
PITTSBURGH, PA 15205

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