4. D - Textiles, Paper
  5. 06
  6. L

Brightening agents

D - Textiles – Paper – 06 – L

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D06L 3/12 (2006.01)

Patent

CA 788892

Knupfer Hans

D - Textiles – Paper – 06 – L
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Schellhammer Carl-Wolfgang

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Scholermann Walter

D - Textiles – Paper – 06 – L
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Schonol Karl

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Wirth Wolf-Dieter

C - Chemistry – Metallurgy – 08 – K
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Farbenfabriken Bayer Aktiengesellschaft

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