- 专利标题： MODIFICATION METHOD OF POLYURETHANE, POLYURETHANE, POLISHING PAD, AND MODIFICATION METHOD OF POLISHING PAD
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申请号： US18753038申请日： 2024-06-25
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公开(公告)号： US20240342858A1公开(公告)日： 2024-10-17
- 发明人: Azusa OSHITA , Mitsuru KATO , Minori TAKEGOSHI , Chihiro OKAMOTO , Shinya KATO
- 申请人： KURARAY CO., LTD.
- 申请人地址： JP Kurashiki-shi
- 专利权人： KURARAY CO., LTD.
- 当前专利权人： KURARAY CO., LTD.
- 当前专利权人地址： JP Kurashiki-shi
- 优先权： JP 18092608 2018.05.11
- 分案原申请号： US17054049 2020.11.09
- 主分类号： B24B37/24
- IPC分类号： B24B37/24 ; C08G18/69 ; C08G18/83 ; H01L21/306
摘要：
A modification method of a polyurethane, including the steps of: preparing a polyurethane having an ethylenically unsaturated bond; and treating the polyurethane with a liquid containing a compound having a conjugated double bond, or a modification method of a polyurethane, including the steps of: preparing a polyurethane having a conjugated double bond; and treating the polyurethane with a liquid containing a compound having an ethylenically unsaturated bond is used.
公开/授权文献
- US2137942A Attitude control means for aircraft 公开/授权日：1938-11-22
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