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

Mark Erik Nelson

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Copolyestercarbonates derived from dimer acids and method...

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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Diaminoalkyl quaternary ammonium salts and method for their prep

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

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Method for purifying acetone

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

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On-line system for measuring properties of a product

Optics: measuring and testing – For light transmission or absorption – Of fluent material
Reexamination Certificate

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Solventless preparation of phthalimides

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
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Profile ID: LFUS-PAI-P-521963

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