4. Tobacco
  5. Smoke separator or treater
  6. Plural diverse elements

Shuzhong Zhuang

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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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Activated carbon-containing sorbent

Tobacco – Smoke separator or treater
Reexamination Certificate

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Activated carbon-containing sorbent

Tobacco – Smoke separator or treater
Reexamination Certificate

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Cigarette filter with beaded carbon

Tobacco – Smoke separator or treater – Plural diverse elements
Reexamination Certificate

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Filters including segmented monolithic sorbent for gas-phase...

Gas separation: apparatus – Solid sorbent apparatus – Plural solid sorbent beds
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2251210

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