Patent Assignment
Reel/Frame 026806/0300
Change of Name/Correction of Address (Assignor)
Recorded: 2011-08-22
Pages: 13
Assignor
S & B INDUSTRIAL MINERALS GMBH
Executed: 2008-08-18
Assignee
S & B INDUSTRIAL MINERALS GMBH
DUISBURGER STRASSE 69-73, 46049 OBERHAUSEN, GERMANY
Covered Properties
(2)
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
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
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
Mar 4, 2019
From: IMERYS METALCASTING GERMANY GMBH
To: IMERTECH SAS
Reel/Frame 048492/0355 →
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
Aug 26, 2025
From: IMERTECH SAS
To: IMERYS METALCASTING GERMANY GMBH
Reel/Frame 072116/0538 →