Invention Grant
- Patent Title: Hollow particles and manufacturing method thereof, pore forming material, particles for cosmetics, and weight reducing material
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Application No.: US17022129Application Date: 2020-09-16
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Publication No.: US11577211B2Publication Date: 2023-02-14
- Inventor: Masahiro Hatta
- Applicant: FUJIFILM Corporation
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: JCIPRNET
- Priority: JPJP2018-056909 20180323,JPJP2018-202215 20181026
- Main IPC: B01J13/16
- IPC: B01J13/16 ; B01J13/20 ; C08G18/08 ; C08G18/32 ; C08G18/48 ; C08G18/77 ; A61K8/02 ; C08J9/32
Abstract:
According to an embodiment of the present invention, provided are hollow particles which have a wall portion containing polyurethane or polyurea, have an internal porous structure, and have a plurality of opening spaces blocked by the wall portion in an outermost portion of the porous structure, and a manufacturing method thereof, and a pore forming material, particles for cosmetics, and a weight reducing material.
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