4. Gas separation
  5. Specific media material
  6. With coating, impregnant, or bonding agent

Yoshio Shinagawa

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Electret filters

Gas separation – Specific media material – With coating – impregnant – or bonding agent
Patent

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Film electret and an electret filter

Gas separation – Specific media material – Fibrous or strand form
Patent

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Method for producing electret filter

Plastic and nonmetallic article shaping or treating: processes – Carbonizing to form article – Agglomeration or accretion
Patent

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Processes for preparing electret filters

Stock material or miscellaneous articles – Structurally defined web or sheet – Including grain – strips – or filamentary elements in...
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Profile ID: LFUS-PAI-P-45807

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