4. Bleaching and dyeing; fluid treatment and chemical modification
  5. Organic additive for dye composition, dye composition...
  6. Polymeric additive

Melvin Alpert

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Method for dyeing cotton with indigo

Bleaching and dyeing; fluid treatment and chemical modification – Organic additive for dye composition – dye composition... – Polymeric additive
Reexamination Certificate

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Method for dyeing fabric materials with indigo, other vat...

Bleaching and dyeing; fluid treatment and chemical modification – Process of printing permanently on substrate – other than... – Vat dye or sulfur dye – e.g. – quinonic or indigoid reducible...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2975047

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