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...

Kwan-Soo Han

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Optical polyimide precursor, optical polyimide compound and...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Reexamination Certificate

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Optical polyimide precursor, optical polyimide compound and...

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate

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Optical polymer composition

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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Optical waveguide

Optical waveguides – Having particular optical characteristic modifying chemical... – Of waveguide core
Reexamination Certificate

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Polyarylene ether for optical communication

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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Profile ID: LFUS-PAI-P-811277

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