skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Abstract of Title
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Total Assignments: 3
Patent #:
Issue Dt:
02/24/2004
Application #:
10251155
Filing Dt:
09/20/2002
Inventors:
Bi Le-Khac, Wei Wang
Title:
DOUBLE-METAL CYANIDE CATALYSTS WHICH CAN BE USED TO PREPARE POLYOLS AND THE PROCESSES RELATED THERETO
Assignment: 1
Reel/Frame:
013476/0571Recorded: 11/13/2002Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
10/04/2002
Exec Dt:
10/07/2002
Assignees:
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
B-2040 ANTWERPEN 4
BELGIUM
Correspondent:
BAYER CORPORATION
JOHN E. MROZINSKI, JR.
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 2
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: 3
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

Search Results as of: 04/27/2024 07:51 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT