Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Production of mixtures of diisocyanates and polyisocyanates from the diphenylmethane series with high contents of 4,4′-methylenediphenyl diisocyanate and 2,4′-methylenediphenyl diisocyanate

Production of mixtures of diisocyanates and polyisocyanates from the diphenylmethane series with high contents of 4,4′-methylenediphenyl diisocyanate and 2,4′-methylenediphenyl diisocyanate

US Patent 7038002 · Granted May 2, 2006

Estimated economic value: $1,518,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for producing polyether carbonate polyols2018
Lightly modified prepolymers and uses thereof2016
Process for producing aromatic amines2015
Method for preparing polyurethane prepolymers containing isocyanate groups2014
Method for preparing polyurethane prepolymers containing isocyanate groups2014
Process for the preparation of liquid, storage-stable organic isocyanates of low2011
Process for the production of liquid, storage-stable organic isocyanates with a 2010
Method and device for determining the isomer composition in isocyanate productio2010
Process for the production of very pure 2,4′-methylenediphenyl diisocyanate2009
Process for the preparation of polyamines of the diphenylmethane series at a low2007
Production of di- and polyisocyanates of the diphenylmethane series with defined2007
Production of di- and polyisocyanates of the diphenylmethane series with defined2007