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

Frederick Herbert Walker

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Acid catalyzed copolymerization of water and epoxy resin and...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Reexamination Certificate

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Acid catalyzed copolymerization of water, tetrahydrofuran...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate

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Acid catalyzed polymerization of aqueous epoxy resin...

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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Epoxy resin amine curing agent of N,N′-dimethyl...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
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Packaging materials having barrier coatings based on...

Stock material or miscellaneous articles – Composite – Of polycarbonate
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Profile ID: LFUS-PAI-P-1545057

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