Photocurable polymeric dielectrics containing 6-substituted coumarin moieties and methods of preparation and use thereof

US8937301B2 · kind B2 · utility

Assignees

• BASF SE
• Polytec GmbH · CA

Inventors

• Jordan Quinn · Mundelein, US
• He Yan · Beijing, CN
• Yan Zheng · Skokie, US
• Christopher Newman · Holmfirth, GB
• Silke Annika Koehler · Basel, CH
• Antonio Facchetti · Chicago, US
• Thomas Breiner · Hemsbach, DE

Key dates

• Filing date: Nov 20, 2009
• Grant date: Jan 20, 2015
• Expiry date: Dec 30, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31938
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Disclosed are polymer-based dielectric compositions (e.g., formulations) and materials (e.g. films) and associated devices. The polymers generally include photocrosslinkable pendant groups; for example, the polymers can include one or more coumarin-containing pendant groups.