IP Library Assignment 036558/0619
Patent Assignment
Reel/Frame 036558/0619

Assignment of Assignor's Interest

Recorded: 2015-09-14 Pages: 8
Assignors
WOELFLE, HEIMO
Executed: 2015-09-10
WALTHER, BURKHARD
Executed: 2015-07-21
PUTZIEN, SOPHIE
Executed: 2015-07-25
Assignee
CONSTRUCTION RESEARCH & TECHNOLOGY GMBH
DR.-ALBERT-FRANK-STRASSE 32, TROSTBERG, 83308, GERMANY
Covered Property (1)
2-Oxo-1,3-Dioxolane-4-Carboxamide Building Blocks, Their Preparation and Use
Patent: 9,617,238 →
Application: 14/760,834 →
Publication: US 2015/0353521
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 →