Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Production of isocyanates from esters of aromatic carbamic acids (urethanes)

Production of isocyanates from esters of aromatic carbamic acids (urethanes)

US Patent 4487713 · Granted Dec 11, 1984

Estimated economic value: $19,141,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Molecular weight reduction of olefin copolymers using low-sulfur oils2002
Modified zeolite catalyst composition and process for alkylating toluene with me1985
Modified zeolite catalyst composition for alkylating toluene with methanol to fo1984
Carbamate process1982
Dual demetalling of oxo products with catalyst recycle1981