Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for producing color-stable MDA and MDI

Method for producing color-stable MDA and MDI

US Patent 8614352 · Granted Dec 24, 2013

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for producing isocyanates2025
Method for producing phosgene2025
Method for producing phosgene2025
Process for preparing an aromatic polyamine mixture2021
Process for hydrogenating a mixture in the presence of a colorless amine2021
Process for purifying propylene oxide2020
Process for the preparation of propylene oxide2020
Process for preparing isocyanates in dialkyl carbonates as solvent2019
Process for preparing propylene oxide2019
Process for preparing polyoxymethylene dimethyl ethers from formaldehyde and met2019
Separation of a phosgene- and hydrogen chloride-comprising stream2019
Separation of a phosgene- and hydrogen chloride-comprising stream2019