4. Tobacco
  5. Product or device having identifiable constituent to flavor...

Liqun Yu

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Activated carbon fiber cigarette filter

Tobacco – Smoke separator or treater – Interior surface causes particular flow characteristic
Reexamination Certificate

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Cigarette filters comprising unfunctionalized porous...

Tobacco – Tobacco users' appliance – Device used for smoking
Reexamination Certificate

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Continuous process for impregnating solid adsorbent...

Coating processes – Solid particles or fibers applied
Reexamination Certificate

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Smoking article having flavorant materials retained in...

Tobacco – Product or device having identifiable constituent to flavor...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2319853

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