Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for the production of thermally color stable aliphatic and/or cycloaliphatic diisocyanates and the use thereof for the production of modified polyisocyanates having improved color properties

Process for the production of thermally color stable aliphatic and/or cycloaliphatic diisocyanates and the use thereof for the production of modified polyisocyanates having improved color properties

US Patent 4677221 · Granted Jun 30, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Binders containing ortho ester groups2010
Strippable coating compositions2005
Light-resistant thermoplastic polyurethanes, a process for their preparation and2003
Water-soluble biodegradable hydroxyalkyl cellulose-2-hydroxycarboxylic acid este2003
Coating composition comprising diverse anionic polyurethane-polyurea dispersions2002
Substrate having a section with a peelable coating and a surface decoration2002
Method for producing partially crystalline polyether polyols2002
Thermoplastic polyurethane elastomers2002
Thermoplastic material consisting of aliphatic carbamic acid derivatives of poly2002
Polysaccharide-based thermoplastic material, process for preparing the same and 2002
Biologically degradable leather2001
Cycloaliphatic compounds2001