Soft gelatin capsules

US5254294A · kind A · utility

Assignee

• ALFATEC-Pharm GmbH · DE

Inventors

• Jens-Christian Wunderlich · Heidelberg, DE
• Ursula Schick · Schriesheim, DE
• Jurgen Freidenreich · Schriesheim, DE
• Jurgen Werry · Ludwigshafen, DE

Key dates

• Filing date: Apr 30, 1992
• Grant date: Oct 19, 1993
• Expiry date: Apr 30, 2012

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K9/4833
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

In a dropping procedure for the formation of soft gelatin capsules in which, suitably, a pasty, fluid or sol/gel forming filling material is encapsulated with a soft gelatin mass, the solidification of the soft gelatin mass in a cooling bath of a chemically inert, exceedingly cold fluid which has no negative biological impact nor leaves harmful residue on the soft gelatin capsule. As cooling bath, there is most suitably utilized liquid nitrogen.