US 2013/0211140 A1Published application

Metering ring

AssigneeEvonik Röhm GmbH

InventorsLorenza SARTORELLI, Andreas Perl, Udo Gropp, Arndt Selbach, Stefanie Sohnemann, Matthias Groemping, Norbert Mnich, Thomas Mertz

Life of this patent

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Abstract

The present invention relates to an apparatus for metering flowable media or gases, and to the use thereof.

Claims18

Dependent claims

A method for carrying out a chemical reaction by continuously feeding reactants in a tubular or loop reactor, comprising metering one of the reactants through one or more metering rings located at one or more metering sites in the tubular or loop reactor, wherein at the point of metered addition, said one of the reactants is rapidly mixed and reacted with remaining reactants.

Dependencies are inferred from the claim text.

Facts

Application: 13/838,525Filed 15 Mar 2013
Priority: DE 10 2009 002 592.823 Apr 2009
Published: 15 Aug 2013
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

C07C 231/06
Preparation of carboxylic acid amides: from nitriles by transformation of cyano groups into carboxamide groups
B01J 4/002
Feed or outlet devices as such, e.g. feeding tubes: nozzle-type elements
B01J 4/02
Feed or outlet devices; Feed or outlet control devices: for feeding measured , i.e. prescribed quantities of reagents
B01J 2204/002
Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices: the feeding side being of particular interest

Family

Application13/256,638Division · filed 15 Sep 2011
Application13/838,525Division
US 2012/0010430 A1Published application
US 9,169,194 B2Related patent
US 2013/0211140 A1This patent

From the US filing history. Foreign family members aren’t listed.

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