Invention Grant
- Patent Title: Preparation method of hydrogenated petroleum resin
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Application No.: US17615885Application Date: 2020-06-02
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Publication No.: US12173109B2Publication Date: 2024-12-24
- Inventor: Sangho Seo , Keedo Han , Pilje Seong , Dong Il Shin , Bong Sik Jeon
- Applicant: HANWHA SOLUTIONS CORPORATION
- Applicant Address: KR Seoul
- Assignee: HANWHA SOLUTIONS CORPORATION
- Current Assignee: HANWHA SOLUTIONS CORPORATION
- Current Assignee Address: KR Seoul
- Agency: LEX IP MEISTER, PLLC
- Priority: KR10-2019-0065352 20190603,KR10-2020-0065848 20200601
- International Application: PCT/KR2020/007110 WO 20200602
- International Announcement: WO2020/246765 WO 20201210
- Main IPC: C08F8/04
- IPC: C08F8/04 ; B01J21/08 ; B01J23/755 ; B01J35/30 ; B01J35/40 ; C09J145/00
Abstract:
The invention relates to a method for preparing hydrogenated petroleum resin. More specifically, the invention relates to a method for preparing hydrogenated petroleum resin having aromaticity of 10% or more and exhibiting excellent color and thermal stability, through a hydrogenation reaction in a slurry reactor, using a selective hydrogenation catalyst having excellent selectivity to olefinic double bonds in petroleum resin.
Public/Granted literature
- US20220325011A1 PREPARATION METHOD OF HYDROGENATED PETROLEUM RESIN Public/Granted day:2022-10-13
Information query
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