Stabilized polyvinyl chloride

US5492949A · kind A · utility

Assignee

• Ciba-Geigy · US

Inventors

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

Key dates

• Filing date: Apr 12, 1994
• Grant date: Feb 20, 1996
• Expiry date: Apr 12, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L63/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Use of an inorganic or organic zinc compound and a terminal epoxide compound, optionally with chalk, gives a high level of stabilization of PVC.