SPHERICAL ALUMINA PARTICLES AND PRODUCTION PROCESS THEREOF

Details for Australian Patent Application No. 2002302971 (hide)

Owner SHOWA DENKO K.K.

Inventors KANBARA, Eiji; YAMADA, Tomiharu

Pub. Number AU-A-2002302971

PCT Number PCT/JP02/05155

PCT Pub. Number WO2002/098795

Priority 2001-163187 30.05.01 JP; 60/295,817 06.06.01 US

Filing date 28 May 2002

Wipo publication date 16 December 2002

International Classifications

C01F 007/02 Compounds of aluminium

C09C 001/40 Treatment of specific inorganic materials other than fibrous fillers - Compounds of aluminium

C01F 007/44 Compounds of aluminium

C08K 003/22 Use of inorganic ingredients

C08K 007/18 Use of ingredients characterised by shape

Event Publications

12 December 2002 Complete Application Filed

  Priority application(s): 2001-163187 30.05.01 JP; 60/295,817 06.06.01 US

8 May 2003 Application Open to Public Inspection

  Published as AU-A-2002302971

11 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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