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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
12/25/2007
Application #:
11657338
Filing Dt:
01/24/2007
Publication #:
Pub Dt:
08/02/2007
Inventors:
Berthold Keggenhoff, Richard Adamson, Rudolph Uchdorf, Fritz Pohl
Title:
PROCESS FOR THE PRODUCTION OF DI-AND POLYAMINES OF THE DIPHENYLMETHANE SERIES
Assignment: 1
Reel/Frame:
018842/0372Recorded: 01/24/2007Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
11/25/2006
Exec Dt:
11/20/2006
Exec Dt:
01/12/2007
Exec Dt:
11/23/2006
Assignee:
D 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:
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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