Radiation curable composition, process of production and use thereof

US8921440B2 · kind B2 · utility

Assignee

• 3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

• Wolfgang Weinmann · Gilching, DE
• Joachim W. Zech · Kaufering, DE
• Wolf Steiger · Geretsried, DE
• Arne Thaler · Emmerting, DE

Key dates

• Filing date: Apr 19, 2011
• Grant date: Dec 30, 2014
• Expiry date: Apr 19, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L101/025
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to a radiation curable composition for taking a dental impression comprising (A) a cationically hardenable compound comprising at least one aziridine moiety, and (B) a radiation sensitive starter, the radiation sensitive starter comprising an onium salt, a ferrocenium salt, a combination or mixture thereof.