Two-component preparations containing epoxy compounds

US6613437B1 · kind B1 · utility

Assignee

• 3M ESPE AG · DE

Inventors

• Gunther Eckhardt · Frieding, DE
• Bernd Gangnus · Andechs, DE
• Wolfgang Weinmann · Gilching, DE
• Cornelia B. Fuehrer · Wertach, DE

Key dates

• Filing date: Nov 28, 2001
• Grant date: Sep 2, 2003
• Expiry date: Nov 28, 2021

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31515
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to two-component preparations comprising components (I) and (II), wherein at least one component comprises epoxy compounds and the preparations cure by cationic polymerization, initiated by Lewis and/or Brönsted acids, after mixing of the two components, the preparations comprising the Lewis and/or Brönsted acids in the form of precursor compounds which are suitable for the formation of Lewis and/or Brönsted acids.