Patent Assignment
Reel/Frame 028080/0336
Assignment of Assignor's Interest
Recorded: 2012-04-20
Pages: 3
Assignors
DUBOIS-BRUGGER, ISABELLE
Executed: 2012-04-06
DYKMAN, MELANIE
Executed: 2012-04-10
HORGNIES, MATTHIEU
Executed: 2012-04-06
Assignee
LAFARGE
61 RUE DES BELLES FEUILLES, PARIS, 75116, FRANCE
Covered Property
(1)
Use of a Concrete-Based Element for Treatment of Gases and Volatile Compounds
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 30, 2018
From: LAFARGE
To: LAFARGEHOLCIM LTD
Reel/Frame 047634/0302 →
Assignment of Assignor's Interest
Dec 18, 2018
From: LAFARGEHOLCIM LTD
To: HOLCIM TECHNOLOGY LTD
Reel/Frame 047806/0548 →
Assignment of Assignor's Interest
Aug 14, 2025
From: HOLCIM TECHNOLOGY LTD
To: AMRIZE TECHNOLOGY SWITZERLAND LLC
Reel/Frame 073207/0820 →