4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. Ion-exchange polymer or process of preparing

Qunjie Wang

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Additives for reversed-phase HPLC mobile phases

Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Reexamination Certificate

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Low-swelling, macroporous polymer-supported reagents for...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Ion-exchange polymer or process of preparing
Reexamination Certificate

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Porous silica microsphere scavengers

Chemistry of inorganic compounds – Silicon or compound thereof – Oxygen containing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2518610

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