EP Patent

EP0867435A1 — 2-(2'Hydroxyphenyl) benzotriazoles and their use as light stabilizers for organic polymers

Assigned to Lanxess Switzerland GmbH · Expires 1998-09-30 · 28y expired

What this patent protects

2-(2'-hydroxyphenyl)benzotriazoles having general formula (I): The above 2-(2'-hydroxyphenyl)benzotriazoles can be used as light stabilizers for organic polymers.

USPTO Abstract

2-(2'-hydroxyphenyl)benzotriazoles having general formula (I): The above 2-(2'-hydroxyphenyl)benzotriazoles can be used as light stabilizers for organic polymers.

Drugs covered by this patent

Patent Metadata

Patent number: EP0867435A1
Jurisdiction: EP
Classification: —
Expires: 1998-09-30
Drug substance claim: No
Drug product claim: No
Assignee: Lanxess Switzerland GmbH
Source: FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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