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Title:
MELT-BLOWN NONWOVEN FABRIC, FILTER, AND METHOD FOR PRODUCING MELT-BLOWN NONWOVEN FABRIC
Document Type and Number:
WIPO Patent Application WO/2020/246472
Kind Code:
A1
Abstract:
This melt-blown nonwoven fabric contains polybutylene terephthalate and has an intrinsic viscosity of 0.45-0.60 dl/g.

Inventors:
HASHIMOTO TAKASHI (JP)
IIBA KOZO (JP)
Application Number:
PCT/JP2020/021802
Publication Date:
December 10, 2020
Filing Date:
June 02, 2020
Export Citation:
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Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
D04H3/16; B01D39/16; D04H3/011
Foreign References:
JPH042850A1992-01-07
JP2007039853A2007-02-15
JPH02104755A1990-04-17
JP2015059294A2015-03-30
JP2008238109A2008-10-09
JP2007125546A2007-05-24
JP2019104626A2019-06-27
Other References:
See also references of EP 3964620A4
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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