4. Organic compounds -- part of the class 532-570 series
  5. Organic compounds
  6. Oxygen containing

Columbian Chemicals Company

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Automotive high color carbon

Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon
Patent

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Axial reactor with coaxial oil injection

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Pigment or carbon black producer
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Battery carbon black

Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon
Patent

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Beader drum method

Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles – Agitating to form larger particles
Patent

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Carbon black beads with latex additive

Stock material or miscellaneous articles – Self-sustaining carbon mass or layer with impregnant or...
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