Title:
フィルター層におけるポリイソシアネート樹脂の使用
Document Type and Number:
Japanese Patent JP2004508180
Kind Code:
A
Abstract:
The invention relates to a wet-strength filter, especially a depth filter with a high swelling capacity, comprising an open-pored filter matrix containing cellulose fibers and having cavities, the cellulose fibers having chemically bonded polyisocyanate on the surface. Preferably, the filter matrix contains finely dispersed microparticles in its cavities. The invention also relates to a method for producing a filter of this type and to the use thereof in the food, beverages and pharmaceutical industries.
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Inventors:
Strom, Gerhard
Leibnitz, Rüdiger
Henne, Bernd
Leibnitz, Rüdiger
Henne, Bernd
Application Number:
JP2002525252A
Publication Date:
March 18, 2004
Filing Date:
September 06, 2001
Export Citation:
Assignee:
PALL CORPORATION
International Classes:
B01D39/16; B01D39/18; C08L1/02; D06M11/79; D06M13/395; D06M14/04; D06M15/03; D06M15/09; D06M15/11; D06M15/263; D06M23/08; B01D39/00; D21H27/08; D21H17/08; (IPC1-7): B01D39/00; B01D39/16; B01D39/18; D06M11/79; D06M13/395; D06M14/04; D06M15/03; D06M15/09; D06M15/11; D06M15/263; D06M23/08
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Okimoto Kazuaki
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Okimoto Kazuaki