IP Library Assignment 026506/0654
Patent Assignment
Reel/Frame 026506/0654

Assignment of Assignor's Interest

Recorded: 2011-06-27 Pages: 6
Assignors
MECFEL-MARCZEWSKI, JOANNA
Executed: 2011-05-20
WALTHER, BURKHARD
Executed: 2011-05-05
MEZGER, JOCHEN
Executed: 2011-05-05
KIERAT, RADOSLAW
Executed: 2011-05-05
STAUDHAMER, ROSITA
Executed: 2011-05-06
Assignee
CONSTRUCTION RESEARCH & TECHNOLOGY GMBH
DR.-ALBERT-FRANK-STRASSE 32, TROSTBERG, 83308, GERMANY
Covered Property (1)
2-Oxo-1, 3-Dioxolane-4-Carboxylic Acid and Derivatives Thereof, Their Preparation and Use
Patent: 8,742,137 →
Application: 13/162,967 →
Publication: US 2011/0313177
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 18, 2023
From: CONSTRUCTION RESEARCH & TECHNOLOGY GMBH
To: SIKA TECHNOLOGY AG
Reel/Frame 064640/0880 →