Process for preparing yellow iron oxide pigments with CaCO3 precipitant

Details for Australian Patent Application No. 2004208657 (hide)

Owner Lanxess Deutschland GmbH

Inventors Meisen, Ulrich; Brunn, Horst; Van Bonn, Karl-Heinz; Friedrich, Holger

Agent Davies Collison Cave

Pub. Number AU-B-2004208657

Priority 10340501.1 03.09.03 DE; 10350278.5 28.10.03 DE

Filing date 2 September 2004

Wipo publication date 17 March 2005

Acceptance publication date 22 April 2010

International Classifications

C01G 49/02 (2006.01) Compounds of iron - Oxides

C01G 49/06 (2006.01) Compounds of iron

C09C 1/24 (2006.01) Treatment of specific inorganic materials other than fibrous fillers

C09C 3/06 (2006.01) Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties - Treatment with inorganic compounds

Event Publications

16 September 2004 Complete Application Filed

  Priority application(s): 10340501.1 03.09.03 DE; 10350278.5 28.10.03 DE

17 March 2005 Application Open to Public Inspection

  Published as AU-B-2004208657

1 March 2007 Assignment before Grant

  Bayer Chemicals AG The application has been assigned to Lanxness Deutschland GmbH

19 April 2007 Corrigenda

  Assignments Before Grant, Section 113 - 2004 Under the name Lanxness Deutchland Gmbh, application No. 2004208657, under INID(71), correct the name to read Lanxess Deutchland Gmbh

22 April 2010 Application Accepted

  Published as AU-B-2004208657

19 August 2010 Standard Patent Sealed

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