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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
8304509
Issue Dt:
11/06/2012
Application #:
13251381
Filing Dt:
10/03/2011
Publication #:
20120101247
Pub Dt:
04/26/2012
Inventors:
Christoph Gürtler, Thomas Ernst Müller, Pieter Ooms, Friedhelm Risse, Johann Rechner et al
Title:
PROCESS FOR PREPARING DIARYL CARBONATES FROM DIALKYL CARBONATES
Assignment: 1
Reel/Frame:
027505/0590Recorded: 01/10/2012Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
GUERTLER, CHRISTOPH
Exec Dt:
10/12/2011
MUELLER, THOMAS ERNST
Exec Dt:
11/09/2011
OOMS, PIETER
Exec Dt:
11/14/2011
RISSE, FRIEDHELM
Exec Dt:
10/17/2011
RECHNER, JOHANN
Exec Dt:
10/20/2011
DORO, FRANCES
Exec Dt:
12/13/2011
PROKOFIEVA, ANGELINA
Exec Dt:
11/10/2011
Assignee:
BAYER MATERIALSCIENCE AG
BUILDING Q 18
PATENTS & LICENSING
LEVERKUSEN, GERMANY 51368
Correspondent:
MATTHEW W. HAMMERSLEY
P O BOX 2207
WILMINGTON, DE 19899
Assignment: 2
Reel/Frame:
038399/0469Recorded: 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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