4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. From carboxylic acid or derivative thereof

Douglas F. Fry

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Color-stable polyalkyleneimine derivatives, fiberglass...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Reexamination Certificate

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Hydrophilic polyurethanes, preparation thereof and fiber...

Coating processes – With post-treatment of coating or coating material – Heating or drying
Reexamination Certificate

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Water-dispersible, hydrophobic polyalkyleneimine polyamide...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2512975

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