4. Organic compounds -- part of the class 532-570 series
  5. Organic compounds
  6. Carboxylic acid esters

Yuanfeng Liang

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Ester-modified dicarboxylate polymers

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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Esterification process

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
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Flame retardant polytrimethylene terephthalate composition

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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Poly (trimethylene terephthalate) polymer composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
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Preparation of poly(trimethylene terephthalate)

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-1626022

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