Patent Assignment
Reel/Frame 020078/0705
Assignment of Assignor's Interest
Recorded: 2007-11-06
Pages: 5
Assignors
ALARY, JEAN ANDRE
Executed: 2007-10-23
SACHSE, SEBASTIAN
Executed: 2007-10-23
PARIAS, THOMAS
Executed: 2007-10-26
Assignee
IMERYS SERVICES S.A.S.
154 RUE DE L UNIVERSITE, PARIS, 75007, FRANCE
Covered Property
(1)
Electrofused Proppant, Method of Manufacture, and Method of Use
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 16, 2006
From: ALARY, JEAN ANDRE; SACHSE, SEBASTIAN; PARIAS, THOMAS
To: CENTER FOR ABRASIVES AND REFRACTORIES RESEARCH AND DEVELOPMENT-C.A.R.R.D.GMBH
Reel/Frame 018415/0767 →
Assignment of Assignor's Interest
Nov 6, 2007
From: CENTRE FOR ABRASIVES AND REFRACTORIES RESEARCH AND DEVELOPMENT - C.A.R.R.D. GMBH
To: IMERYS SERVICES S.A.S.
Reel/Frame 020078/0509 →
Assignment of Assignor's Interest
Dec 18, 2008
From: IMERYS SERVICES S.A.S.
To: IMERYS
Reel/Frame 022005/0686 →
Security Interest
Feb 15, 2016
From: HANS, DWAYNE CARTOUCHE, MR
To: THE CARTOUCHE CORPORATION; HANS, DWAYNE C., JR, MR; FIRST AMERICAN FINANCIAL CORPORATION
Reel/Frame 037821/0001 →
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 →