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: 2
Patent #:
Issue Dt:
05/28/2013
Application #:
12758064
Filing Dt:
04/12/2010
Publication #:
Pub Dt:
10/28/2010
Inventors:
Stefan Wershofen, Stephan Klein, Hongchao Li, Xiaoguang Guo, Yubo Ma, Youquan Deng et al
Title:
METHOD FOR PREPARING A CARBAMATE, A CATALYST APPLIED IN THE METHOD, A METHOD FOR PREPARING THE CATALYST AND USE THEREOF
Assignment: 1
Reel/Frame:
024656/0433Recorded: 07/09/2010Pages: 10
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
06/16/2010
Exec Dt:
06/14/2010
Exec Dt:
06/16/2010
Exec Dt:
06/16/2010
Exec Dt:
06/21/2010
Exec Dt:
06/17/2010
Exec Dt:
06/21/2010
Assignee:
51368
LEVERKUSEN, GERMANY
Correspondent:
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 2
Reel/Frame:
038399/0469Recorded: 03/30/2016Pages: 52
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/01/2015
Assignee:
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Correspondent:
DONALD R. PALLADINO
1 COVESTRO CIRCLE
BLDG 4
PITTSBURGH, PA 15205

Search Results as of: 05/09/2024 11:50 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