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...

Stephen Y. Chen

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Concentrate for use in the melt fabrication of polyester

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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Concentrate for use in the melt fabrication of polyester

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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Oxygen scavenging condensation copolymers for bottles and packag

Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent

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Oxygen scavenging condensation copolymers for bottles and...

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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Oxygen-scavenging compositions and articles

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate

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