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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
07/11/2017
Application #:
12405287
Filing Dt:
03/17/2009
Publication #:
Pub Dt:
09/24/2009
Inventors:
Stefan Wershofen, Heinz-Herbert Muller, Richard Adamson, Fritz Pohl, Knut Sommer
Title:
PROCESS FOR PRODUCING DIAMINES AND POLYAMINES OF THE DIPHENYLMETHANE SERIES
Assignment: 1
Reel/Frame:
022778/0168Recorded: 06/04/2009Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
04/21/2009
Exec Dt:
04/23/2009
Exec Dt:
04/30/2009
Exec Dt:
05/22/2009
Exec Dt:
04/27/2009
Assignee:
51368
LEVERKUSEN, GERMANY
Correspondent:
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 2
Reel/Frame:
038358/0387Recorded: 04/05/2016Pages: 58
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/01/2015
Assignee:
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Correspondent:
DONALD R. PALLADINO
1 COVESTRO CIRCLE
BLDG 4
PITTSBURGH, PA 15205

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