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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
05/12/2015
Application #:
13381130
Filing Dt:
01/24/2012
Publication #:
Pub Dt:
08/02/2012
Inventors:
Hartmut Nefzger, Erika Bauer, Jörg Hofmann, Klaus Lorenz, Norbert Hahn
Title:
PROCESS FOR PRODUCING POLYETHER POLYOLS HAVING PRIMARY HYDROXYL END GROUPS
Assignment: 1
Reel/Frame:
027582/0460Recorded: 01/24/2012Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
11/22/2011
Exec Dt:
11/28/2011
Exec Dt:
12/01/2011
Exec Dt:
12/01/2011
Exec Dt:
11/28/2011
Assignee:
BUILDING Q 18
PATENTS & LICENSING
LEVERKUSEN, GERMANY 51368
Correspondent:
MATTHEW W. HAMMERSLEY
P O BOX 2207
WILMINGTON, DE 19899
Assignment: 2
Reel/Frame:
038301/0001Recorded: 03/30/2016Pages: 56
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
Assignment: 3
Reel/Frame:
038966/0865Recorded: 06/13/2016Pages: 52
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNOR NAME PREVIOUSLY RECORDED ON REEL 038301 FRAME 0001. ASSIGNOR(S) HEREBY CONFIRMS THE CHANGE OF NAME FROM BAYER MATERIALSCIENCE AG TO COVESTRO DEUTSCHLAND AG.
Assignor:
Exec Dt:
09/01/2015
Assignee:
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Correspondent:
DONALD R. PALLADINO
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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