Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Controlled coextrusion of barrier sheet

Controlled coextrusion of barrier sheet

US Patent 4676936 · Granted Jun 30, 1987

Estimated economic value: $8,822,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Foamed polymeric materials1987
Thermoformable multilayer barrier structures1987
Foamed polymeric materials1985