4. Distillation: processes, separatory
  5. Plural distillations performed on same material

Alfred Eitel

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Bisphenol synthesis on modified ion-exchange resins using specia

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
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Copolymers, devoid of rubber, with low residual monomer...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Treating polymer containing material or treating a solid...
Reexamination Certificate

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Method and device for producing bisphenol a prills and...

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Reexamination Certificate

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Optimized ion exchanger beds for the synthesis of bisphenol A

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

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Process and device for the production of elastomer-modified...

Liquid purification or separation – Processes – Separating
Reexamination Certificate

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Profile ID: LFUS-PAI-P-52176

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