Invention Grant
US07119224B2 Preparation of (METH) acrylic acid and (METH) acrylic esters
有权
（METH）丙烯酸和（METH）丙烯酸酯的制备
- Patent Title: Preparation of (METH) acrylic acid and (METH) acrylic esters
- Patent Title (中): （METH）丙烯酸和（METH）丙烯酸酯的制备
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Application No.: US10651966Application Date: 2003-09-02
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Publication No.: US07119224B2Publication Date: 2006-10-10
- Inventor: Juergen Schroeder , Frank Hoefer , Sylke Haremza , Gerhard Wagenblast , Volker Schliephake , Ulrich Jaeger , Harald Keller , Cedric Dieleman
- Applicant: Juergen Schroeder , Frank Hoefer , Sylke Haremza , Gerhard Wagenblast , Volker Schliephake , Ulrich Jaeger , Harald Keller , Cedric Dieleman
- Applicant Address: DE Ludwigshafen
- Assignee: BASF Aktiengesellschaft
- Current Assignee: BASF Aktiengesellschaft
- Current Assignee Address: DE Ludwigshafen
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
- Priority: DE10248606 20021017
- Main IPC: C07C51/42
- IPC: C07C51/42 ; C07C67/48 ; C07C69/52 ; C07C69/54
Abstract:
A process for preparing and/or working up mixtures by (meth)acrylic acid and/or (meth)acrylic ester in the presence of at least one polymerization inhibitor and at least one oxygenous gas, which comprises metering in at least part of the oxygenous gas at an exit rate of at least 50 mm/s.
Public/Granted literature
- US20050261523A1 Preparation of (METH) acrylic acid and (METH) acrylic esters Public/Granted day:2005-11-24
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