METHOD FOR REDUCING METAL IMPURITIES IN OPTICAL FIBER SOOT PREFORMS

Details for Australian Patent Application No. 2003293097 (hide)

Owner CORNING INCORPORATED

Inventors BOOKBINDER, Dana, C.; FIACCO, Richard, M.; GIROUX, Cynthia, B.

Pub. Number AU-A-2003293097

PCT Number PCT/US2003/0378

PCT Pub. Number WO2004/050571

Priority 60/431,072 04.12.02 US

Filing date 25 November 2003

Wipo publication date 23 June 2004

International Classifications

C03B 037/014 Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags - made entirely or partially by chemical means

C01G 017/04 Compounds of germanium

C01B 033/107 Silicon

C01B 007/07 Halogens

C01B 007/20 Halogens

C01B 009/00 General methods of preparing halides

Event Publications

22 April 2004 Complete Application Filed

  Priority application(s): 60/431,072 04.12.02 US

29 July 2004 Application Open to Public Inspection

  Published as AU-A-2003293097

18 August 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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