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: 1
Patent #:
Issue Dt:
02/03/1998
Application #:
08765215
Filing Dt:
03/20/1997
Inventors:
MATTHIAS IRGANG, VOLKMAR MENGER, ERNEST MIESEN, PETER STOPS, FRITZ GRAF
Title:
PROCESS AND CATALYST FOR THE SELECTIVE HYDROGENATION OF BUTYNEDIOL TO BUTENEDIOL
Assignment: 1
Reel/Frame:
008472/0475Recorded: 01/03/1997Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
09/11/1996
Exec Dt:
09/11/1996
Exec Dt:
09/11/1996
Exec Dt:
09/11/1996
Exec Dt:
09/11/1996
Assignee:
67056 LUDWIGSHAFEN, GERMANY
Correspondent:
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVENUE, N.W.
WASHINGTON, D.C. 20036

Search Results as of: 05/30/2024 08:36 AM
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