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 #:
8354028
Issue Dt:
01/15/2013
Application #:
11876094
Filing Dt:
10/22/2007
Publication #:
20080185343
Pub Dt:
08/07/2008
Inventors:
HELMUT MEYER, GUIDO NABERFELD, JOHANN RECHNER, RAFAEL WARSITZ, MICHAEL TRAVING et al
Title:
METHOD FOR SEPARATING AN ORGANIC PHASE FROM AN ELECTROLYTE-CONTAINING AQUEOUS AND ORGANIC PHASE
Assignment: 1
Reel/Frame:
020843/0350Recorded: 04/23/2008Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
MEYER, HELMUT
Exec Dt:
01/11/2008
NABERFELD, GUIDO
Exec Dt:
03/05/2008
RECHNER, JOHANN
Exec Dt:
02/05/2008
WARSITZ, RAFAEL
Exec Dt:
01/17/2008
TRAVING, MICHAEL
Exec Dt:
01/16/2008
BACKER, WERNER
Exec Dt:
01/16/2008
ELSNER, THOMAS
Exec Dt:
01/14/2008
NENNEMANN, ARNO
Exec Dt:
01/17/2008
Assignee:
BAYER MATERIALSCIENCE AG
LAW AND PATENTS
LEVERKUSEN, GERMANY 51469
Correspondent:
NORRIS, MCLAUGHLIN & MARCUS, P.A.
875 THIRD AVE
18TH FLOOR
NEW YORK, NY 10022
Assignment: 2
Reel/Frame:
023217/0605Recorded: 09/11/2009Pages: 14
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
MEYER, HELMUT, DR.
Exec Dt:
07/07/2009
NABERFELD, GUIDO, DR.
Exec Dt:
07/16/2009
RECHNER, JOHANN, DR.
Exec Dt:
07/27/2009
WARSITZ, RAFAEL
Exec Dt:
08/17/2009
TRAVING, MICHAEL, DR.
Exec Dt:
07/08/2009
BACKER, WERNER
Exec Dt:
07/08/2009
ELSNER, THOMAS, DR.
Exec Dt:
07/21/2009
NENNEMANN, ARNO, DR.
Exec Dt:
07/15/2009
BAHNMULER, STEFAN, DR.
Exec Dt:
07/08/2009
LANGSTEIN, GERHARD, DR.
Exec Dt:
07/20/2009
HITZBLECK, JULIA, DR.
Exec Dt:
08/26/2009
THEATO, PATRICK, DR.
Exec Dt:
07/06/2009
KESSLER, DANIEL
Exec Dt:
07/06/2009
DUFF, DANIEL-GORDON, DR.
Exec Dt:
07/13/2009
PLUG, SASCHA, MR.
Exec Dt:
07/13/2009
Assignee:
BAYER MATERIAL SCIENCE
BUILDING Q 18
LEVERKUSEN, GERMANY 51368
Correspondent:
NORRIS, MCLAUGHLIN & MARCUS, P.A.
875 THIRD AVE
18TH FLOOR
NEW YORK, NY 10022
Assignment: 3
Reel/Frame:
038399/0469Recorded: 03/30/2016Pages: 52
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
BAYER MATERIALSCIENCE AG
Exec Dt:
09/01/2015
Assignee:
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Correspondent:
DONALD R. PALLADINO
1 COVESTRO CIRCLE
BLDG 4
PITTSBURGH, PA 15205

Search Results as of: 05/12/2024 01:31 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