IP Library Assignment 043141/0596
Patent Assignment
Reel/Frame 043141/0596

Assignment of Assignor's Interest

Recorded: 2017-07-31 Pages: 3
Assignor
RICHARDS, ALAN K.
Executed: 2017-04-27
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 May 22, 2017
From: OTT, TIMO; BIERTÜMPEL, INGO; BUNTHOFF, KLAUS
To: GRILLO CHEMIE GMBH
Reel/Frame 042460/0128 →
Change of Name Jul 18, 2024
From: GRILLO CHEMIE GMBH
To: GRILLO CHEMICALS GMBH
Reel/Frame 068434/0841 →