Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Production of low density polypropylene foam

Production of low density polypropylene foam

US Patent 4940736 · Granted Jul 10, 1990

Estimated economic value: $21,805,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Flexible container for bulk material1995
Laminate suitable as sealing liner for liquid containers1985
Woven fabric containing partially fibrillated textile yarn1984