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Patents Grants
last 30 patents
Information
Patent Grant
2-(2′-hydroxyphenyl)benzotriazoles used as U.V. stabilizers
Patent number
6,407,254
Issue date
Jun 18, 2002
Great Lakes Chemical (Europe) GmbH
Rosa Maria Riva
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-(2′Hydroxyphenyl) benzotriazoles and process for their pr...
Patent number
6,268,505
Issue date
Jul 31, 2001
Great Lakes Chemical (Europe) GmbH
Rosa Maria Riva
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-(2'Hydroxyphenyl) benzotriazoles and process for their preparation
Patent number
6,121,456
Issue date
Sep 19, 2000
Great Lakes Chemical (Europe) GmbH
Rosa Maria Riva
C07 - ORGANIC CHEMISTRY