4. Tobacco
  5. Smoke separator or treater
  6. Having a polymer

Carl J. Howell, Jr.

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Open cell structure foamed cellulose acetate filters

Tobacco – Smoke separator or treater – Having a polymer
Patent

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Process for extruding plasticized open cell foamed cellulose ace

Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – By gas forming or expanding
Patent

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Profile ID: LFUS-PAI-P-1178601

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