Invention Grant
- Patent Title: Process for producing nitrile rubbers using ruthenium complex catalysts
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Application No.: US16770804Application Date: 2018-12-05
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Publication No.: US11407843B2Publication Date: 2022-08-09
- Inventor: Werner Obrecht , Sarah David , Hiyam Salem
- Applicant: ARLANXEO DEUTSCHLAND GMBH
- Applicant Address: DE Dormagen
- Assignee: ARLANXEO DEUTSCHLAND GMBH
- Current Assignee: ARLANXEO DEUTSCHLAND GMBH
- Current Assignee Address: DE Dormagen
- Agency: Norris McLaughlin, P.A.
- Priority: EP17206071 20171208
- International Application: PCT/EP2018/083643 WO 20181205
- International Announcement: WO2019/110658 WO 20190613
- Main IPC: C08C19/08
- IPC: C08C19/08 ; B01J31/22 ; C08F236/12 ; C08C19/00
Abstract:
The present invention relates to a process for preparing nitrile rubbers having reduced molecular weight by metathesis of a first nitrile rubber in the presence of specific ruthenium complex catalysts that have particular N-heterocyclic carbene ligands.
Public/Granted literature
- US20200332030A1 PROCESS FOR PRODUCING NITRILE RUBBERS USING RUTHENIUM COMPLEX CATALYSTS Public/Granted day:2020-10-22
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