Invention Grant
- Patent Title: Process for the preparation of an aqueous colloidal precious metal suspension
- Patent Title (中): 水性胶体贵金属悬浮液的制备方法
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Application No.: US12863508Application Date: 2009-01-27
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Publication No.: US08822725B2Publication Date: 2014-09-02
- Inventor: Peter Theodorus Witte
- Applicant: Peter Theodorus Witte
- Applicant Address: US NJ Florham Park
- Assignee: BASF Corporation
- Current Assignee: BASF Corporation
- Current Assignee Address: US NJ Florham Park
- Agency: Hoffmann & Baron, LLP
- Priority: EP08150726 20080128
- International Application: PCT/NL2009/050039 WO 20090127
- International Announcement: WO2009/096783 WO 20090806
- Main IPC: C07C211/00
- IPC: C07C211/00 ; C07C221/00 ; C07C223/00 ; C07C225/00
Abstract:
The invention is directed to a process for the preparation of an aqueous colloidal precious metal suspension, which process comprises reducing a precious metal salt in aqueous solution using a functionalized, water soluble quaternary ammonium salt in the absence of organic solvents, to form elementary nanoparticles.
Public/Granted literature
- US20110015451A1 PROCESS FOR THE PREPARATION OF AN AQUEOUS COLLOIDAL PRECIOUS METAL SUSPENSION Public/Granted day:2011-01-20
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