Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for removing by-products from diurethanes

Process for removing by-products from diurethanes

US Patent 5646328 · Granted Jul 8, 1997

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for producing TDI-trimerisates with high purity2020
Method for producing light-coloured TDI-polyisocyanates2019
Method for producing TDI-trimerisates with high purity2018
Process for trimerising cycloaliphatic diisocyanates2016
Process for stripping polymer polyols2010
Process for the removal of volatile compounds from mixtures of substances using 2008
Process for the mild distillative separation of mixtures2008
Process for preparing low-monomer-content TDI trimers2006
Process for preparing low-monomer-content TDI trimers2005
Condensation cross-linking polyurethane materials containing special aminosilane2004
Piperazinone derivatives with alkoxysilane groups2003
Polyurethane prepolymers having alkoxysilane end groups, method for the producti2003