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...

Do-yun Kim

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Crosslinkable sulfonated copolymer and fuel cell including...

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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Ebullated bed process with recycle eductor

Mineral oils: processes and products – Chemical conversion of hydrocarbons – Solids contacting and mixing
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Organic electrolytic solution with surfactant and lithium...

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Reexamination Certificate

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Polyimide comprising sulfonic acid group at the terminal of...

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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Polymer comprising terminal sulfonic acid group, and polymer...

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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Profile ID: LFUS-PAI-P-2241508

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