Microcapsule with a porous or hollow core and ph-sensitive shell and use thereof

US12194113B2 · kind B2 · utility

Assignee

• Solventum Intellectual Properties Company · US

Inventors

• Kai U. Claussen · Munich, DE
• Silke D. Mechernich · Düsseldorf, DE
• Mareike Richter · Düsseldorf, DE
• Reinhold Hecht · Kaufering, DE
• Manfred Ludsteck · Geretsried, DE
• Simone Jurjevic · Neuss, DE

Key dates

• Filing date: Feb 1, 2019
• Grant date: Jan 14, 2025
• Expiry date: Aug 19, 2039

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F222/10
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to a microcapsule comprising a hollow or porous core, the hollow or porous core being composed of a polymeric material and containing a component of a redox-initiator system, a shell, the shell being composed of a pH-sensitive material. The microcapsule can be used for formulating dental materials.