Process for the preparation of fipronil, an insecticide, and related pyrazoles

Details for Australian Patent Application No. 2006342749 (hide)

Owner Gharda Chemicals Limited

Inventors Joseph, Pulinattu Cherian; Gharda, Keki Hormusji; Malte, Ashokkumar Maganlal; Parkar, Sureshkumar Dattatraya; Sathe, Shekhar Vishwanath; Damania, Pragnesh Dalpatram

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2006342749

PCT Pub. Number WO2007/122440

Filing date 25 April 2006

Wipo publication date 1 November 2007

Acceptance publication date 25 August 2011

International Classifications

C07D 231/44 (2006.01) Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings

Event Publications

29 May 2008 PCT application entered the National Phase

  PCT publication WO2007/122440 Priority application(s): WO2007/122440

25 August 2011 Application Accepted

  Published as AU-B-2006342749

15 December 2011 Opposition Lodged

  Mission Bell Holdings Pty Ltd has lodged an opposition against Gharda Chemicals Limited.

15 March 2012 Opposition Withdrawn

  The opposition by Mission Bell Holdings Pty Ltd against Gharda Chemicals Limited has been withdrawn.

15 March 2012 Standard Patent Sealed

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