Patents/Assignees

Evonik Fibres GmbH

2 patents in portfolio

US11724978utility2023
Method for Oxidizing a 1,1,-bis-(3,4-dimethylphenyl)-alkane to 3,3′,4,4′-benzophenone Tetracarboxylic Acid
0 cites
US11547970utility2023
Membrane Bundle Layout Having Spacers
0 cites