Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for the preparation of blocked polyisocyanates, and their use in polyurethane coating systems

Process for the preparation of blocked polyisocyanates, and their use in polyurethane coating systems

US Patent 5646228 · Granted Jul 8, 1997

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

POLYADDITION PRODUCTS CONTAINING HYDROXYL AND URETDIONE GROUPS, PROCESS FOR THEI2005
POLYADDITION PRODUCTS CONTAINING HYDROXYL AND URETDIONE GROUPS, PROCESS FOR THEI2005
POLYADDITION PRODUCTS CONTAINING HYDROXYL AND URETDIONE GROUPS, PROCESS FOR THEI2003
Process for the preparation of polyaddition products containing uretdione groups2002
Process for the preparation of polyaddition products containing uretdione groups2002
Blocked polyisocyanates, a process for their preparation, and their use2002
Blocked polyisocyanates with built-in hals stabilizer2001
Blocked polyisocyanates, a process for their preparation, and their use2000
Blocked polyisocyanates, a process for their preparation, and their use2000
Blocked polyisocyanates with built-in HALS stabilizer1999
Polyisocyanates containing uretdione groups1999
Process for the preparation of heat curable weather-resistant polyurethane powde1999