A process for preparing methacrylic acid or methacrylic esters

Details for Australian Patent Application No. 2008257512 (hide)

Owner Evonik Rohm GmbH

Inventors Fuchs, Georg; Siegert, Hermann; Eggeling, Lothar; May, Alexander; Potter, Markus; Alber, Birgit; Marx, Achim; Buchholz, Stefan

Agent Spruson & Ferguson

Pub. Number AU-A-2008257512

PCT Pub. Number WO2008/145737

Priority PCT/ EP2007/055394 01.06.07 EP

Filing date 30 May 2008

Wipo publication date 4 December 2008

International Classifications

C07C 57/04 (2006.01) Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms

C07C 69/54 (2006.01) Esters of carboxylic acids

C08F 220/06 (2006.01) Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide, or nitrile thereof

C12P 7/62 (2006.01) Preparation of oxygen-containing organic compounds - Carboxylic acid esters

Event Publications

10 December 2009 PCT application entered the National Phase

  PCT publication WO2008/145737 Priority application(s): WO2008/145737

2 February 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2008257513-Use of isoalkane mixtures for reducing dusting of building chemical products

2008257506-Method of excising a nucleic acid sequence from a plant genome