4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. From phenol, phenol ether, or inorganic phenolate

Joseph Richard Wetzel

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Chemically-resistant sensor devices, and systems and methods...

Chemistry: analytical and immunological testing – Process or composition for determination of physical state...
Reexamination Certificate

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Method for depolymerizing polyimides and recovering reagents the

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Process of treating scrap or waste product containing solid...
Patent

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Method for preparing bisphenol A

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
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Method for preparing bisphenol A

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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Polycarbonates suitable for use in optical articles

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
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Profile ID: LFUS-PAI-P-1056864

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