Invention Grant
- Patent Title: Ink composition, writing tool and method for producing ink composition
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Application No.: US16344006Application Date: 2017-04-28
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Publication No.: US11613663B2Publication Date: 2023-03-28
- Inventor: Katsuji Arisawa , Yoshitaka Morimoto , Hirohisa Suzuki , Hiroyuki Saitou
- Applicant: PENTEL KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: PENTEL KABUSHIKI KAISHA
- Current Assignee: PENTEL KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Adams & Wilks
- Priority: WOPCT/JP2016/082848 20161104
- International Application: PCT/JP2017/016908 WO 20170428
- International Announcement: WO2018/083824 WO 20180511
- Main IPC: C09D11/18
- IPC: C09D11/18 ; C08K3/013 ; B43K1/08 ; B43K7/02 ; C08L5/00 ; C08L25/04 ; C08L83/04 ; C09D11/104 ; C09D11/106 ; C09D11/17 ; C08K3/22
Abstract:
The ink composition contains titanium oxide particles having an average particle size of 0.1 μm or more and 0.4 μm or less, hollow resin particles having an average particle size of 1.0 μm or more and 2.0 μm or less, a polysaccharide and water, wherein the titanium oxide particles and the hollow resin particles are negatively charged.
Public/Granted literature
- US20190338151A1 INK COMPOSITION , WRITING TOOL AND METHOD FOR PRODUCING INK COMPOSITION Public/Granted day:2019-11-07
Information query
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