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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
06/15/2004
Application #:
10040178
Filing Dt:
11/07/2001
Publication #:
Pub Dt:
05/08/2003
Inventors:
Robert A. Pyles, Rick L. Archey
Title:
DIP-DYABLE POLYCARBONATE PROCESS
Assignment: 1
Reel/Frame:
012509/0024Recorded: 11/07/2001Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
11/06/2001
Exec Dt:
11/06/2001
Assignee:
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205
Correspondent:
BAYER CORPORATION
ARON PREIS
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741
Assignment: 2
Reel/Frame:
014035/0762Recorded: 05/12/2003Pages: 34
Conveyance:
MASTER ASSIGNMENT OF PATENTS AGREEMENT AND ADDENDUM
Assignor:
Exec Dt:
12/26/2002
Assignee:
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PENNSYLVANIA 15205-9741
Correspondent:
BAYER POLYMERS LLC
DONNA J. VEATCH
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 3
Reel/Frame:
036388/0892Recorded: 08/21/2015Pages: 7
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/22/2004
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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