Patent Assignment
Reel/Frame 072116/0538
Assignment of Assignor's Interest
Recorded: 2025-08-26
Pages: 3
Assignor
IMERTECH SAS
Executed: 2023-07-23
Assignee
IMERYS METALCASTING GERMANY GMBH
DUISBURGER STRAßE 69–73, OBERHAUSEN, 46049, GERMANY
Covered Properties
(4)
Method for Producing a Moulding Sand That Is in Particular Recirculated, for Foundry Purposes
Method for the Production of a Core Sand and/or Molding Sand for Casting Purposes
Method for Producing a Core Sand and/or Mold Sand for Foundry Purposes
Core or Foundry Sand Coated and/or Mixed with Water Glass with a Water Content in the Range of Greater Than or Equal to Approximately 0.25% by Weight to Approximately 0.9% by Weight
Related Assignments
(11)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 10, 2005
From: GREFHORST, CORNELIS; KOCH, KARL
To: IKO MINERALS GMBH
Reel/Frame 016134/0502 →
Assignment of Assignor's Interest
Jan 18, 2006
From: KOCH, KARL; GREFHORST, CORNELIS
To: S & B INDUSTRIAL MINERALS GMBH
Reel/Frame 017202/0309 →
Assignment of Assignor's Interest
Oct 29, 2008
From: GREFHORST, CORNELIS; TZINTZOS, SPYRIDON
To: S & B INDUSTRIAL MINERALS GMBH
Reel/Frame 021767/0265 →
Assignment of Assignor's Interest
May 19, 2011
From: GERLACH, RALF-JOACHIM
To: MINELCO GMBH
Reel/Frame 026308/0347 →
Change of Name/Correction of Address (Assignor)
Aug 22, 2011
From: S & B INDUSTRIAL MINERALS GMBH
To: S & B INDUSTRIAL MINERALS GMBH
Reel/Frame 026806/0300 →
Assignment of Assignor's Interest
Aug 3, 2017
From: MINELCO GMBH
To: IMERYS METALCASTING GERMANY GMBH
Reel/Frame 043422/0048 →
Assignment of Assignor's Interest
Feb 13, 2019
From: IMERYS METALCASTING GERMANY GMBH
To: IMERTECH SAS
Reel/Frame 048318/0942 →
Change of Name
Mar 4, 2019
From: S & B INDUSTRIAL MINERALS GMBH
To: IMERYS METALCASTING GERMANY GMBH
Reel/Frame 048498/0304 →
Assignment of Assignor's Interest
Mar 4, 2019
From: IMERYS METALCASTING GERMANY GMBH
To: IMERTECH SAS
Reel/Frame 048492/0355 →
Assignment of Assignor's Interest
Mar 4, 2019
From: IMERYS METALCASTING GERMANY GMBH
To: IMERTECH SAS
Reel/Frame 048492/0231 →
Change of Name
Mar 4, 2019
From: IKO MINERALS GMBH
To: S & B INDUSTRIAL MINERALS GMBH
Reel/Frame 048492/0138 →