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

Robert-Joseph Kumpf

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Crystalline double metal cyanide catalysts for producing...

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

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Double-metal cyanide catalysts containing polyester for...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From heterocyclic reactant containing as ring atoms oxygen,...
Reexamination Certificate

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Mixtures of cyclic oligocarbonates and their manufacture

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
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Stabilized, finely disperse low-viscosity polymer polyols...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-63493

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