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Title:
CASTING SAND AND KIT FOR SAND MOLD
Document Type and Number:
WIPO Patent Application WO/2021/100838
Kind Code:
A1
Abstract:
Provided is a casting sand comprising sand, and a solid acid catalyst mixed with the sand.

Inventors:
KOYANAGI SEIICHI (JP)
WAKUTA RYUJI (JP)
OOJI NAOTO (JP)
HAYASHI HIROYUKI (JP)
KURIHARA MASATAKA (JP)
Application Number:
PCT/JP2020/043298
Publication Date:
May 27, 2021
Filing Date:
November 19, 2020
Export Citation:
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Assignee:
KINSEI MATEC CO LTD (JP)
International Classes:
B22C1/22; B22C1/02; B22C1/10; B22C9/02; B33Y70/00
Domestic Patent References:
WO2016143050A12016-09-15
WO2018224093A12018-12-13
Foreign References:
JP2017109212A2017-06-22
JP2011051010A2011-03-17
JP2013240799A2013-12-05
JPS6163333A1986-04-01
JP2003251434A2003-09-09
JP2016107320A2016-06-20
Other References:
See also references of EP 4063039A4
Attorney, Agent or Firm:
OKAMOTO Hiroyuki et al. (JP)
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