4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. Mixing of two or more solid polymers; mixing of solid...

Ralf Heinen

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Acid-resistant solutions containing aromatic formaldehyde...

Bleaching and dyeing; fluid treatment and chemical modification – Organic additive for dye composition – dye composition... – Polymeric additive
Reexamination Certificate

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N-menthylol derivatives of polycondensation products, their prep

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

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Nonfelting wool and antifelt finishing process

Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Reexamination Certificate

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Nonfelting wool and antifelt finishing process

Stock material or miscellaneous articles – Composite – Of polyamidoester
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Profile ID: LFUS-PAI-P-1673087

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