Phenolic antioxidants in crystalline form

Details for Australian Patent Application No. 2003300566 (hide)

Owner BASF SE

Inventors Van Der Schaaf, Paul Adriaan; Rehm, Daniel; Schafter, Johannes; Guckel, Christian

Agent Davies Collison Cave

Pub. Number AU-B-2003300566

PCT Number PCT/EP2003/0508

PCT Pub. Number WO2004/048312

Priority 02406023.8 26.11.02 EP

Filing date 17 November 2003

Wipo publication date 18 June 2004

Acceptance publication date 21 January 2010

International Classifications

C07C 67/52 (2006.01) Preparation of carboxylic acid esters

C07C 69/732 (2006.01) Esters of carboxylic acids

C08K 5/13 (2006.01) Use of organic ingredients

C08K 5/20 (2006.01) Use of organic ingredients

Event Publications

27 May 2004 Complete Application Filed

  Priority application(s): 02406023.8 26.11.02 EP

22 July 2004 Application Open to Public Inspection

  Published as AU-B-2003300566

27 August 2009 Assignment before Grant

  Ciba Specialty Chemicals Holding Inc. The application has been assigned to BASF SE 2004

21 January 2010 Application Accepted

  Published as AU-B-2003300566

20 May 2010 Standard Patent Sealed

14 June 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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