Novel radiopaque barium polymer complexes, compositions of matter and articles prepared therefrom

US4866132A · kind A · utility

Assignee

• The Research Foundation of the State University of New York · US

Inventors

• Alan Obligin · Catonsville, US
• Du W. Xia · Qianxi, CN
• Ruth Silberman-Hazony · Newton, US
• H. Ralph Rawls · San Antonio, US
• Israel Cabasso · Syracuse, US
• Johannes Smid · LaFayette, US

Key dates

• Filing date: Apr 17, 1986
• Grant date: Sep 12, 1989
• Expiry date: Apr 17, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F8/42
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Radiopaque polymeric materials comprising halogenated barium salts, homogeneously distributed at the molecular level, provide permanent, nonleachable radiopacities at least equivalent to pure aluminum without adversely affecting mechanical or physical properties of compositions in which they are employed.