Glass Base Material for Optical Fiber and Manufacturing Method Thereof Where Absorption by Hydroxyl Groups is Reduced

Details for Australian Patent Application No. 2004201476 (hide)

Owner Shin-Etsu Chemical Co., Ltd.

Inventors Hirasawa, Hideo; Oyamada, Hiroshi; Inoue, Dai; Otosaka, Tetsuya

Agent Spruson & Ferguson

Pub. Number AU-A-2004201476

Priority 2003-104133 08.04.03 JP

Filing date 7 April 2004

Wipo publication date 28 October 2004

International Classifications

C03B 037/025 Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags

G02B 006/16 Light guides

C03B 037/027 Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags

Event Publications

22 April 2004 Complete Application Filed

  Priority application(s): 2003-104133 08.04.03 JP

28 October 2004 Application Open to Public Inspection

  Published as AU-A-2004201476

16 August 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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