Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Process for the preparation of fluorochlorohydrocarbon-free low density polyurethane soft foams and soft elastic polyurethane molding foams and polyisocyanate mixtures modified with urethane groups and diphenylmethane-diisocyanate base

US Patent 5534185 · Granted Jul 9, 1996

Assignee

Inventors

View full patent text on Google Patents →