Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Flame-retarded polyolefin polymeric compositions containing 3,9-bromophenoxy-2,3,8,10-tetraoxa-3,9-diphosphaspiro (5.5)undecane-3,9-dioxides

US Patent 4282142 · Granted Aug 4, 1981

Assignee

Inventors

View full patent text on Google Patents →