Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › 2-(2′-hydroxyphenyl) benzotriazoles containing a 2,4-imidazolidinedione group and process for their preparation

2-(2′-hydroxyphenyl) benzotriazoles containing a 2,4-imidazolidinedione group and process for their preparation

US Patent 6452018 · Granted Sep 17, 2002

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Mixtures of additives for organic polymers in granular form2012
Road vehicle integrated clutch-transmission assembly2012
Four-wheel drive vehicle transmission2009
Sulphonation of phenols2005
Crystalline modification of mixtures of a nickel-quencher and a benzophenone and2003
Stabilizing mixtures for organic polymers comprising a pyrazolone, an organic ph2003
Process for the preparation of symmetrical diacylhydrazines2002
2-(2′-hydroxyphenyl)benzotriazoles used as U.V. stabilizers2002
2-(2′-hydroxyphenyl)benzotriazoles used as U.V. stabilizers2002
Granular form of a mixture of a nickel-quencher and a benzophenone and process f2002
Light-stabilized organic polymers2002
2-(2'Hydroxyphenyl) benzotriazoles and process for their preparation2001