Patent Assignment
Reel/Frame 040003/0562
Assignment of Assignor's Interest
Recorded: 2016-10-13
Pages: 3
Assignor
IMERYS SERVICES S.A.S.
Executed: 2008-11-11
Assignee
IMERYS
154 RUE DE L' UNIVERSITE, PARIS, 75007, FRANCE
Covered Property
(1)
Method of Manufacture and Using Rod-Shaped Proppants and Anti-Flowback Additives
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 13, 2016
From: ALARY, JEAN ANDRE; PARIAS, THOMAS
To: CENTER FOR ABRASIVES AND REFRACTORIES RESEARCH AND DEVELOPMENT - C.A.R.R.D. GMBH
Reel/Frame 040003/0486 →
Assignment of Assignor's Interest
Oct 13, 2016
From: ALARY, JEAN ANDRE; PARIAS, THOMAS
To: IMERYS SERVICES S.A.S.
Reel/Frame 040003/0526 →
Assignment of Assignor's Interest
Oct 13, 2016
From: CENTER FOR ABRASIVES AND REFRACTORIES RESEARCH AND DEVELOPMENT - C.A.R.R.D. GMBH
To: IMERYS SERVICES S.A.S.
Reel/Frame 040003/0546 →
Assignment of Assignor's Interest
Feb 25, 2019
From: IMERYS
To: IMERTECH SAS
Reel/Frame 048419/0763 →
Assignment of Assignor's Interest
Oct 11, 2019
From: IMERYS OILFIELD MINERALS, INC.
To: US CERAMICS LLC
Reel/Frame 050687/0024 →
Assignment of Assignor's Interest
Oct 11, 2019
From: IMERTECH SAS
To: IMERYS OILFIELD MINERALS, INC.
Reel/Frame 050720/0058 →