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Title:
WET-LAP PRESERVATION
Document Type and Number:
WIPO Patent Application WO/2021/243656
Kind Code:
A1
Abstract:
A method for preparing wet-lap wherein a combination of an inhibitor of amylase activity and a biocide are incorporated into the wet-lap. Wet-lap produced according to the method exhibits a reduced loss of fibre strength during storage.

Inventors:
KOLARI MARKO (FI)
MARKKULA KAROLIINA (CN)
YAN LI (CN)
WU SUHUA (CN)
Application Number:
PCT/CN2020/094419
Publication Date:
December 09, 2021
Filing Date:
June 04, 2020
Export Citation:
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Assignee:
KEMIRA OYJ (FI)
KEMIRA ASIA CO LTD (CN)
International Classes:
D21H21/36; D21C5/02; D21H11/14
Foreign References:
CN104114767A2014-10-22
US20130146239A12013-06-13
CN109661493A2019-04-19
CN108138445A2018-06-08
CN107849810A2018-03-27
CN108431330A2018-08-21
US5840249A1998-11-24
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
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