Title:
WET-LAP PRESERVATION
Document Type and Number:
WIPO Patent Application WO/2021/244625
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. The 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)
MARKKULA KAROLIINA (CN)
YAN LI (CN)
WU SUHUA (CN)
Application Number:
PCT/CN2021/098257
Publication Date:
December 09, 2021
Filing Date:
June 04, 2021
Export Citation:
Assignee:
KEMIRA OYJ (FI)
KEMIRA ASIA CO LTD (CN)
KEMIRA ASIA CO LTD (CN)
International Classes:
D21H21/36; D21C5/02; D21H11/14
Domestic Patent References:
WO2013090272A1 | 2013-06-20 |
Foreign References:
US20130146239A1 | 2013-06-13 | |||
CN104114767A | 2014-10-22 | |||
CN109661493A | 2019-04-19 | |||
CN107849810A | 2018-03-27 | |||
CN108431330A | 2018-08-21 |
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
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