4. Organic compounds -- part of the class 532-570 series
  5. Organic compounds
  6. Heterocyclic carbon compounds containing a hetero ring...

Robert Detlefsen

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Substituted 5-aryl-2-(2-hydroxyphenyl)-2H-benzotriazole UV...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate

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Substituted 5-aryl-2-(2-hydroxyphenyl)-2H-benzotriazole UV...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate

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Substituted 5-aryl-2-(2-hydroxyphenyl)-2H-benzotriazole UV...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate

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Substituted 5-aryl-2-(2-hydroxyphenyl)-2h-benzotriazole UV...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate

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Substituted 5-aryl-2-(2-hydroxyphenyl)-2H-benzotriazole UV...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate

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