Phosphorous-containing monomers and flame retardant high impact monovinylidene aromatic polymer compositions derived therefrom

US6503992B2 · kind B2 · utility

Assignees

• THE DOW CHEMICAL COMPANY · US
• THE UNIVERSITY OF AKRON · US

Inventors

• Steven R. Mitchell · Roseburg, US
• H. James Harwood · Stow, US
• William G. Stobby · Midland, US
• Duane B. Priddy · Midland, US
• Kyung W. Suh · Seoul, KR

Key dates

• Filing date: Jul 24, 2001
• Grant date: Jan 7, 2003
• Expiry date: Jul 24, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/657181
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Disclosed are cyclic phosphate esters of fumarate- or maleic acids suitable for use as a comonomer, capable of being copolymerized with a monovinylidene aromatic compounds to impart flame resistant properties to the resultant copolymers.