Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for production of di- and polyamines of the diphenylmethane series

Process for production of di- and polyamines of the diphenylmethane series

US Patent 9217054 · Granted Dec 22, 2015

Estimated economic value: $29,139,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for manufacturing an upgraded bio-oil from black liquor2024
Method for controlling the process for making isocyanates2019
Process for extracting phosgene2017
Process for the production of methylene-bridged polyphenyl polyamines2014
Method for removing methylene-bridged polyphenyl polyamines from an aqueous stre2014
Process for manufacturing isocyanates2014
Process for manufacturing isocyanates2014
Process for the simultaneous production of different mixtures of diisocyanate is2014
Process for the simultaneous production of different mixtures of diisocyanate is2014
Process for production of di- and polyamines of the diphenylmethane series2013
Process for production of di- and polyamines of the diphenylmethane series2013
Process for production of di- and polyamines of the diphenylmethane series2013