Stabilized polyvinyl chloride

US5519077A · kind A · utility

Assignee

• Ciba-Geigy · US

Inventors

• Rolf Drewes · Bad Bellingen, DE
• Markus Kolb · Plankstadt, DE
• Karl-Josef Kuhn · Herbstein, DE
• Hans Sander · Ludwigshafen, DE
• Wolfgang Wehner · Ober-Ramstadt, DE

Key dates

• Filing date: Apr 10, 1995
• Grant date: May 21, 1996
• Expiry date: Apr 10, 2015

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/1515
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A high degree of stabilization of polyvinyl chloride is achieved by using a perchlorate, a terminal epoxide compound and an antioxidant.