4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. From sulfur-containing reactant

Kei Saitoh

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Method for producing a polyarylene sulfide

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From sulfur-containing reactant
Reexamination Certificate

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Polyphenylene sulfide resin composition

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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Polyphenylene sulfide resin, process for producing the same,...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From sulfur-containing reactant
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2979039

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