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Process for preparing hydrophilic polyamide membrane filter media and product 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-031/00
출원번호 US-0198569 (1980-10-20)
발명자 / 주소
  • Pall David B. (Roslyn Estates NY)
출원인 / 주소
  • Pall Corporation (Glen Cove NY 02)
인용정보 피인용 횟수 : 205  인용 특허 : 0

초록 ▼

A process is provided for preparing skinless hydrophilic alcohol-insoluble polyamide membranes by preparing a solution in a polyamide solvent of an alcohol-insoluble polyamide resin having a ratio CH2:NHCO of methylene CH2 to amide NHCO groups within the range from about 5:1 to about 7:1 inducing nu

대표청구항 ▼

A multilayer hydrophilic skinless alcohol-insoluble polyamide resin membrane sheet of alcohol-insoluble hydrophobic polyamide resin having a ratio CH2:NHCO of methylene CH2 to amide NHCO groups within the range from about 5:1 to about 7:1, capable when completely immersed in water of being wetted th

이 특허를 인용한 특허 (205)

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