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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
07/14/1998
Application #:
08809840
Filing Dt:
04/02/1997
Inventors:
HARRO WITT, UWE JENS ZARNACK, HEIKO BECKHAUS
Title:
SLUDGE PHASE REACTOR AND PROCESS FOR PERFORMING SLUDGE PHASE REACTIONS
Assignment: 1
Reel/Frame:
008533/0753Recorded: 04/02/1997Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
02/13/1997
Exec Dt:
02/13/1997
Exec Dt:
02/11/1997
Assignee:
D-51368 LEVERKUSEN, GERMANY
Correspondent:
BAYER CORPORATION
NOLAND J. CHEUNG
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 2
Reel/Frame:
036876/0585Recorded: 10/16/2015Pages: 10
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/01/2015
Assignee:
1 COVESTRO CIRCLE
PITTSBURGH, PENNSYLVANIA 15205
Correspondent:
COHEN & GRIGSBY, P.C.
625 LIBERTY AVENUE
PITTSBURGH, PA 15222-3152

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