IP Library › Assignment 017202/0309
Patent Assignment
Reel/Frame 017202/0309

Assignment of Assignor's Interest

Recorded: 2006-01-18 Pages: 2
Assignors
KOCH, KARL
Executed: 2005-12-13
GREFHORST, CORNELIS
Executed: 2005-12-13
Assignee
S & B INDUSTRIAL MINERALS GMBH
SCHMIELENFELDSTRASSE 78, 45772 MARL, GERMANY
Covered Property (1)
Method for the Production of a Core Sand and/or Molding Sand for Casting Purposes
Patent: 7,281,570 →
Application: 10/560,350 →
Publication: US 2006/0151145
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
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 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 →