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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
04/13/2004
Application #:
10124795
Filing Dt:
04/17/2002
Publication #:
Pub Dt:
10/23/2003
Inventors:
Bill L. Brady JR., Guenther Weymans, Friedhelm Steffens, Berthold Keggenhoff
Title:
PROCESS FOR PURIFICATION OF ANHYDROUS HYDROGEN CHLORIDE GAS
Assignment: 1
Reel/Frame:
013113/0808Recorded: 07/22/2002Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
06/10/2002
Exec Dt:
06/10/2002
Exec Dt:
06/10/2002
Exec Dt:
06/16/2002
Assignee:
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205
Correspondent:
BAYER CORPORATION
LYNDANNE M. WHALEN
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 2
Reel/Frame:
014038/0172Recorded: 12/16/2002Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
12/02/2002
Exec Dt:
11/18/2002
Exec Dt:
12/03/2002
Exec Dt:
12/03/2002
Assignees:
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PENNSYLVANIA 15205-9741
PATENTE UND LIZENZEN
D 51368, LEVERKUSEN, GERMANY
Correspondent:
BAYER CORPORATION
LYNDANNE M. WHALEN
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 3
Reel/Frame:
035064/0270Recorded: 03/02/2015Pages: 11
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/31/2014
Assignee:
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
Correspondent:
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 4
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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