Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Soluble, solid or crosslinked graft copolymers of lignin (2-propenamide)-(2-methyl-3-oxo-4-oxybut-1-ene-(p-ethoxy-(3*p+3)-ol), methods of making the same and uses therefore

US Patent 5194552 · Granted Mar 16, 1993

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →