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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
05/02/2006
Application #:
10896129
Filing Dt:
07/21/2004
Publication #:
Pub Dt:
01/27/2005
Inventors:
Hans-Georg Pirkl, Ulrich Liman, Robert Vieler, Ralf Echterhoff
Title:
PRODUCTION OF MIXTURES OF DIISOCYANATES AND POLYISOCYANATES FROM THE DIPHENYLMETHANE SERIES WITH HIGH CONTENTS OF 4,4'-METHYLENEDIPHENYL DIISOCYANATE AND 2,4'-METHYLENEDIPHENYL DIISOCYANATE
Assignment: 1
Reel/Frame:
015626/0299Recorded: 07/21/2004Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
06/24/2004
Exec Dt:
06/29/2004
Exec Dt:
07/01/2004
Exec Dt:
06/04/2004
Assignee:
D 51368 LEVERKUSEN, GERMANY
Correspondent:
BAYER MATERIALSCIENCE LLC
LYNDANNE M. WHALEN
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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