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Balanced flow tobacco smoke filter

Tobacco – Smoke separator or treater – By adding constituent to smoke stream
Patent

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Bicomponent fibers and tobacco smoke filters formed therefrom

Tobacco – Smoke separator or treater – Plural diverse elements
Patent

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Biodegradable cellulose acetate structure and tobacco filter

Tobacco – Smoke separator or treater – Including a cellulose ester or ether
Reexamination Certificate

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Biodegradable filter material and method for its manufacture

Tobacco – Smoke separator or treater – Having a polymer
Patent

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Biodegradable polyvinyl alcohol tobacco smoke filters, tobacco s

Tobacco – Smoke separator or treater – Having a polymer
Patent

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Buccal end device for a smoking rod

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

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Carbon technology

Tobacco – Smoke separator or treater – By chemical reaction – e.g. – ion-exchange – chelating,...
Reexamination Certificate

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Catalyst to reduce carbon monoxide and nitric oxide from the...

Tobacco – Smoke separator or treater – By chemical reaction – e.g. – ion-exchange – chelating,...
Reexamination Certificate

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Catalytic cigarette smoke cleaning devise and process

Tobacco – Smoke separator or treater – By chemical reaction – e.g. – ion-exchange – chelating,...
Patent

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Catalytic conversion of carbon monoxide from carbonaceous heat s

Tobacco – Smoke separator or treater – By chemical reaction – e.g. – ion-exchange – chelating,...
Patent

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Check valve type cigarette mouthpiece

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

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Cigarette

Tobacco – Smoke separator or treater – By adding constituent to smoke stream
Patent

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Cigarette

Tobacco – Smoke separator or treater – By adding constituent to smoke stream
Patent

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Cigarette

Tobacco – Smoke separator or treater – By adding constituent to smoke stream
Patent

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Cigarette

Tobacco – Smoke separator or treater – By adding constituent to smoke stream
Patent

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Cigarette

Tobacco – Smoke separator or treater
Patent

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Cigarette and cigarette filter

Tobacco – Smoke separator or treater
Patent

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Cigarette and cigarette filter element therefor

Tobacco – Smoke separator or treater – By adding constituent to smoke stream
Patent

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Cigarette and cigarette filter element therefor

Tobacco – Smoke separator or treater – By chemical reaction – e.g. – ion-exchange – chelating,...
Patent

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Cigarette and cigarette filter element therefor

Tobacco – Smoke separator or treater – By adding constituent to smoke stream
Patent

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