4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. From phenol, phenol ether, or inorganic phenolate

Masafumi Yoshikawa

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Aqueous gel ballpoint pen and method for the production thereof

Coating implements with material supply – Including ball – roller or endless-belt tool – Ball
Reexamination Certificate

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Sulfonated phenol-formaldehyde resin for paper-making

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

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Profile ID: LFUS-PAI-P-1249379

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