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Method for manufacturing an electret filter medium 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B29C-071/04
출원번호 US-0661365 (1984-02-02)
우선권정보 NL-0000437 (1983-02-04); NL-0000439 (1983-02-04)
국제출원번호 PCT/US84/00149 (1984-02-02)
§371/§102 date 19840202 (19841004)
국제공개번호 WO-8403193 (1984-08-16)
발명자 / 주소
  • Klaase Petrus T. A. (Voorburg NLX) van Turnhout Jan (Pijnacker NLX)
출원인 / 주소
  • Minnesota Mining and Manufacturing Company (St. Paul MN 02)
인용정보 피인용 횟수 : 160  인용 특허 : 1

초록 ▼

The present invention relates to a continuous method for manufacturing an electret filter medium from dielectric material having an open or porous structure, said method comprising the steps of continuously feeding a web of dielectric material with a substantially closed dielectric foil adjacent to

대표청구항 ▼

A method for manufacturing an electret filter medium from a dielectric material with an open or porous structure, comprising the steps of: continuously feeding a web of said dielectric material with a substantially closed non-fibrous dielectric foil adjacent to at least one major face thereof into a

이 특허에 인용된 특허 (1)

  1. Wadsworth Larry C. (Arlington TX) Hersh Solomon P. (Raleigh NC), Method of making fibrous electrets.
    상세보기

이 특허를 인용한 특허 (160)

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