Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for producing spherical and porous vinyl resin particles

Process for producing spherical and porous vinyl resin particles

US Patent 4458057 · Granted Jul 3, 1984

Estimated economic value: $4,582,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method of preparing spherical porous bead-type polymers1980