IP Library › Assignment 042460/0128
Patent Assignment
Reel/Frame 042460/0128

Assignment of Assignor's Interest

Recorded: 2017-05-22 Pages: 4
Assignors
OTT, TIMO
Executed: 2016-06-13
BIERTÜMPEL, INGO
Executed: 2016-06-01
BUNTHOFF, KLAUS
Executed: 2016-06-05
Assignee
GRILLO CHEMIE GMBH
WESELER STRASSE 1, DUISBURG, 47169, GERMANY
Covered Property (1)
Process for Preparing Alkanesulfonic Acids from Sulfur Trioxide and an Alkane
Patent: 9,902,689 →
Application: 15/036,215 →
Publication: US 2016/0289176
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 31, 2017
From: RICHARDS, ALAN K.
To: GRILLO CHEMIE GMBH
Reel/Frame 043141/0596 →
Change of Name Jul 18, 2024
From: GRILLO CHEMIE GMBH
To: GRILLO CHEMICALS GMBH
Reel/Frame 068434/0841 →