Title:
炭酸塩鉱石を含有する材料の乾式粉砕方法
Document Type and Number:
Japanese Patent JP5355389
Kind Code:
B2
Abstract:
Dry grinding a mineral carbonate material comprises dry grinding the material in a grinding unit in the presence of a polyalkylene glycol polymer (I) having ethylene- and/or propylene oxides at 90 wt.%, preferably 98 wt.% and in the presence of water, where grinding unit comprises the material at less than 10 dry wt.%; optionally separating the dry ground material using a separating unit; and optionally repeating the above steps. (I) has a molecular weight of 400 g/mol. An independent claim is included for a micro particulate calcium carbonate (A) obtained by the process.
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Inventors:
Gain, Patrick A.C.
Yellowtail, matias
Blum, Rene Binzentz
Mongowan, Jack
Yellowtail, matias
Blum, Rene Binzentz
Mongowan, Jack
Application Number:
JP2009511599A
Publication Date:
November 27, 2013
Filing Date:
May 22, 2007
Export Citation:
Assignee:
Coatex S Ares
Omuya Development Arp
Omuya Development Arp
International Classes:
B02C23/06; B02C17/20
Domestic Patent References:
| JP1151955A | ||||
| JP3316872B2 | ||||
| JP5076793A | ||||
| JP1111457A | ||||
| JP2003186151A | ||||
| JP8048850A | ||||
| JP53102883A | ||||
| JP2001334167A | ||||
| JP64004239A | ||||
| JP2004528168A |
Foreign References:
| WO2005071003A1 | ||||
| US20030045647 | ||||
| US20020004541 |
Attorney, Agent or Firm:
Katsuma Osaki
Makoto Ono
Chihiro Watanabe
Kenkyo Kanayama
Mitsuaki Tsubokura
Makoto Ono
Chihiro Watanabe
Kenkyo Kanayama
Mitsuaki Tsubokura