4. Organic compounds -- part of the class 532-570 series
  5. Organic compounds
  6. Polycyclo ring system containing anthracene configured ring...

Sumimoto Chemical Company, Limited

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Process for producing polyamide block copolymer

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
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Process for purification of crude 4,4'-diamino-1,1'-dianthraquin

Organic compounds -- part of the class 532-570 series – Organic compounds – Polycyclo ring system containing anthracene configured ring...
Patent

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