4. Organic compounds -- part of the class 532-570 series
  5. Organic compounds
  6. Carboxylic acids and salts thereof

Peter Alois Koch

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Method of making halophthalic acids and halophthalic anhydrides

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Reexamination Certificate

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Method of making halophthalic acids and halophthalic anhydrides

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having a nitrogen atom directly bonded to the...
Reexamination Certificate

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