{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Process for preparing a sheet of polymer-based foam", "item": "https://www.patentleaderboard.com/patent/5254301"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Process for preparing a sheet of polymer-based foam

US Patent 5254301 · Granted Oct 19, 1993

Assignee

Inventors

View full patent text on Google Patents →