Method of removing capsule oils from self-copying paper

US6306250A · kind A · utility

Assignee

• Nopco Paper Technology Holding AS · NO

Inventors

• Bernhard Nellessen · Kaarst, DE
• Klaus Hornfeck · Mettmann, DE
• Berthold Schreck · Goldkronach, DE
• Sabine Heinen · Hilden, DE
• Bodo Hilterhaus · Rheydt, DE
• Dieter Baumgarten · Bielefeld, DE

Key dates

• Filing date: Oct 8, 1999
• Grant date: Oct 23, 2001
• Expiry date: Oct 8, 2019

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02W30/64
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

A process for removing capsule oils from carbonless copy paper involving: (a) providing carbonless copy paper containing capsule oils; and (b) disintegrating the carbonless copy paper in the presence of an alkoxylated C.sub.12-14 alcohol to form a stock suspension.