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: 6
Patent #:
5373081
Issue Dt:
12/13/1994
Application #:
08021894
Filing Dt:
02/24/1993
Inventors:
DAZHONG YANG, GERHARD MAIER, FREDDY HELMER-METZMANN, OSKAR NUYKEN et al
Title:
POLYETHER KETONES AND POLYETHER SULFONES BASED ON PHENYLINDANE, AND THE USE THEREOF FOR OPTICAL SYSTEMS
Assignment: 1
Reel/Frame:
006454/0578Recorded: 02/24/1993Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
YANG, DAZHONG
Exec Dt:
02/10/1993
MAIER, GERHARD
Exec Dt:
02/10/1993
NUYKEN, OSKAR
Exec Dt:
02/10/1993
BREKNER, MICHAEL-JOACHIM
Exec Dt:
02/10/1993
HELMER-METZMANN, FREDDY
Exec Dt:
02/10/1993
Assignee:
HOECHST AKTIENGESELLSCHAFT
6230 FRANKFURT AM MAIN 80, GERMANY
Correspondent:
WILLIAM F. LAWRENCE
CURTIS, MORRIS & SAFFORD, P.C.
530 FIFTH AVENUE
NEW YORK, NEW YORK 10036
Assignment: 2
Reel/Frame:
012188/0305Recorded: 09/24/2001Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
HOECHST AKTIENGESELLSCHAFT
Exec Dt:
06/07/2001
Assignee:
TICONA GMBH
AN DER B43
65451 KELSTERBACH, GERMANY
Correspondent:
FROMMER, LAWRENCE & HAUG L.L.P.
WILLIAM F. LAWRENCE
745 FIFTH AVENUE
NEW YORK, NY 10151
Assignment: 3
Reel/Frame:
017125/0552Recorded: 02/07/2006Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
TICONA GMBH
Exec Dt:
01/26/2006
Assignee:
DEGUSSA AG
BENNINGSENPLATZ 1
40474 DUESSELDORF, GERMANY
Correspondent:
FROMMER LAWRENCE & HAUG LLP
745 FIFTH AVENUE
WILLIAM F. LAWRENCE
NEW YORK, NY 10151
Assignment: 4
Reel/Frame:
023998/0937Recorded: 02/22/2010Pages: 17
Conveyance:
CHANGE OF ENTITY
Assignor:
DEGUSSA AG
Exec Dt:
01/02/2007
Assignee:
DEGUSSA GMBH
BENNIGSENPLATZ 1
DUSSELFDORF, GERMANY 40474
Correspondent:
EDWARD W. GROLZ
SCULLY, SCOTT, MURPHY & PRESSER
400 GARDEN CITY PLAZA, SUITE 300
GARDEN CITY, NEW YORK 11530
Assignment: 5
Reel/Frame:
024006/0127Recorded: 02/23/2010Pages: 17
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
DEGUSSA GMBH
Exec Dt:
09/12/2007
Assignee:
EVONIK DEGUSSA GMBH
BENNIGSENPLATZ 1
DUSSELDORF, GERMANY 40474
Correspondent:
EDWARD W. GROLZ
SCULLY, SCOTT, MURPHY & PRESSER
400 GARDEN CITY PLAZA, SUITE 300
GARDEN CTIY, NY 11530
Assignment: 6
Reel/Frame:
023985/0296Recorded: 02/22/2010Pages: 17
Conveyance:
CHANGE ADDRESS
Assignor:
EVONIK DEGUSSA GMBH
Exec Dt:
10/31/2007
Assignee:
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Correspondent:
EDWARD W. GROLZ
SCULLY, SCOTT, MURPHY & PRESSER
400 GARDEN CITY PLAZA, SUITE 300
GARDEN CITY, NEW YORK 11530

Search Results as of: 05/21/2024 09:28 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