IP Library Granted Patent US 12,715,939
Granted Patent B2
US 12,715,939 · App. 18/247,850 · Granted Aug 25, 2026

Process for preparing hydroxy-functionalized polybutadiene

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Quick Facts
Patent No.
US 12,715,939
App. No.
18/247,850
Granted
Aug 25, 2026
Kind
B2
Assignments (2)
CHANGE OF ADDRESS Recorded Jul 17, 2026
From: EVONIK OPERATIONS GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 075999/0525 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 5, 2023
From: KOLB, NICOLAI; KRANNIG, KAI-STEFFEN; HELLWIG, JÜRGEN; BAHLMANN, MATTHIAS; PSCHANTKA, ALEXANDER; KEMPER, PHILIP
To: EVONIK OPERATIONS GMBH
Reel/Frame 063236/0252 →
Priority Claims (1)
EP 20200556 · Oct 7, 2020 · regional
Continuity (1)
Related Publication 20230331874A1 · Oct 19, 2023
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