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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
10131641
Issue Dt:
11/20/2018
Application #:
14774305
Filing Dt:
09/10/2015
Publication #:
20160031834
Pub Dt:
02/04/2016
Inventors:
Josef SANDERS, Andreas HECKING, Stefan GROTH, Friedhelm STEFFENS, Reinhard HALPAAP et al
Title:
METHOD FOR PRODUCING TDI-TRIMERISATES WITH HIGH PURITY
Assignment: 1
Reel/Frame:
036611/0685Recorded: 09/21/2015Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
SANDERS, JOSEF
Exec Dt:
08/21/2015
HECKING, ANDREAS
Exec Dt:
08/26/2015
HALPAAP, REINHARD
Exec Dt:
08/28/2015
RICHTER, FRANK
Exec Dt:
08/21/2015
WILMES, OSWALD
Exec Dt:
09/01/2015
BUSCH, JAN
Exec Dt:
09/01/2015
LODDENKEMPER, TIM
Exec Dt:
08/27/2015
STEFFENS, FRIEDHELM
Exec Dt:
08/24/2015
GROTH, STEFAN
Exec Dt:
08/21/2015
Assignee:
BAYER MATERIALSCIENCE AG
ALFRED-NOBEL-STR. 10
MONHEIM AM RHEIN, GERMANY 40789
Correspondent:
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 2
Reel/Frame:
039153/0556Recorded: 06/24/2016Pages: 48
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
BAYER MATERIALSCIENCE AG
Exec Dt:
01/22/2016
Assignee:
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Correspondent:
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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