IP Library Assignment 022451/0294
Patent Assignment
Reel/Frame 022451/0294

Assignment of Assignor's Interest

Recorded: 2009-03-25 Pages: 6
Assignors
JACQUET, ALAIN
Executed: 2009-03-20
MARTIN, LAURENCE
Executed: 2009-03-20
BROCAS, STEPHANE
Executed: 2009-03-19
YAHIAOUI, HAKIMI
Executed: 2009-03-13
Assignee
LAFARGE
61 RUE DES BELLES FEUILLES, PARIS, F-75116, FRANCE
Covered Property (1)
On-Line Production Process of Sand Presenting a Controlled Methylene Blue Value
Patent: 8,561,488 →
Application: 12/442,880 →
Publication: US 2009/0241696
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 18, 2019
From: LAFARGE
To: HOLCIM TECHNOLOGY LTD
Reel/Frame 048061/0707 →
Assignment of Assignor's Interest Aug 14, 2025
From: HOLCIM TECHNOLOGY LTD
To: AMRIZE TECHNOLOGY SWITZERLAND LLC
Reel/Frame 073207/0820 →