2-(2'-HYDROXYPHENYL) BENZOTRIAZOLES CONTAINING A 2,4-IMIDAZOLIDINEDIONE GROUP AND PROCESS FOR THEIR PREPARATION

Title:

2-(2'-HYDROXYPHENYL) BENZOTRIAZOLES CONTAINING A 2,4-IMIDAZOLIDINEDIONE GROUP AND PROCESS FOR THEIR PREPARATION

Document Type and Number:

WIPO Patent Application WO1999037638

Kind Code:

A8

Abstract:

2-(2'-hydroxyphenyl) benzotriazoles having general formula (I). The above 2-(2'-hydroyzphenyl) benzotriazoles having general formula (I) are useful as heat, oxygen and light stabilizers for organic polymers. In particular they are useful as UV stabilizers for organic polymers.

Inventors:

RIVA ROSA MARIA (IT)
NERI CARLO (IT)
GRANELLI BARBARA (IT)

Application Number:

PCT/EP1999/000345

Publication Date:

September 30, 1999

Filing Date:

January 25, 1999

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Assignee:

GREAT LAKES CHEMICAL ITALIA (IT)
RIVA ROSA MARIA (IT)
NERI CARLO (IT)
GRANELLI BARBARA (IT)

International Classes:

C07D403/14; C08K5/3475; C08L101/00; (IPC1-7): C07D403/14; C08K5/3475

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