4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. At least one aryl ring which is part of a fused or bridged...

Gernot Koehler

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Copolymer of (a) ethylene and (b) and alkenoic acid or a...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymerizing in tubular or loop reactor
Reexamination Certificate

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Derivatives of 4-hydroxybutyric acid

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Nitrogen containing other than solely as a nitrogen in an...
Patent

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Derivatives of 4-hydroxybutyric acid

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
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Electrically conductive pyrrole copolymer article

Stock material or miscellaneous articles – Composite – Of addition polymer from unsaturated monomers
Patent

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Electrically conductive pyrrole copolymers and their preparation

Chemistry: electrical and wave energy – Processes and products
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